EP0932081A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Pattern forming body, pattern forming method, and their applications
Assignee: Dai Nippon Printing Co Ltd
•
Filing: 1998-08-10
•
Granted: —
•
Expires: 2018-08-10
Abstract
Abstract A structure for pattern formation adapted for optically forming a pattern, characterized by comprising: a photocatalyst-containing layer provided on a substate, the photocatalyst-containing layer containing a material of which the wettability is variable through photocatalytic action upon pattern-wise exposure. <IMAGE>
Inventors
- 👤 Hironori Dai Nippon Printing Co. Ltd KOBAYASHI
- 👤 Manabu Dai Nippon Printing Co. Ltd YAMAMOTO
- 👤 Daigo Dai Nippon Printing Co. Ltd AOKI
- 👤 Hironori Dai Nippon Printing Co. Ltd KAMIYAMA
- 👤 Shinichi Dai Nippon Printing Co. Ltd HIKOSAKA
- 👤 Mitsuhiro Dai Nippon Print. Co. Ltd KASHIWABARA
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 00:21
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/006; B29; B29D; B29D11/00; B29D11/00009; B29D11/00365; B41C; B41C1/00; B41C1/10; B41C1/1041; G; G02; G02B; G02B3/00; G02B3/0006; G02B3/0012; G02B3/0037; G02B3/0056; G02B5/00; G02B5/20; G02B5/201; G03; G03F; G03F7/00; G03F7/0005; G03F7/0007; G03F7/004; G03F7/0042; G03F7/0043; G03F7/075; G03F7/0757; G03F7/09; G03F7/095; G03F7/11; G03F7/001; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802
Claims Analysis
Total Claims: 81
Claim 1
Independent Claim
39 words
A structure for pattern formation adapted for optically
forming a pattern, characterized by comprising a photocatalyst-containing
layer provided on a substrate, the photocatalyst-containing
layer containing a material of which the wettability is
variable through photocatalytic action upon pattern-wise exposure.
Claim 2
Dependent Claim
42 words
A structure for pattern formation adapted for optically
forming a pattern, characterized by comprising: a substrate; a
photocatalyst-containing layer provided on the substrate; and,
provided on the photocatalyst-containing layer, a layer that is
decomposable and removable through photocatalytic action upon
pattern-wise exposure.
Claim 3
Dependent Claim
46 words
A structure for pattern formation adapted for optically
forming a pattern, characterized by comprising: a substrate; a
photocatalyst-containing layer provided on the substrate; and,
provided on the photocatalyst-containing layer, a layer containing a
material of which the wettability is variable through photocatalytic
action upon pattern-wise exposure.
Claim 4
Dependent Claim
35 words
A structure for pattern formation adapted for optically
forming a pattern, characterized by comprising a composition layer,
the composition layer comprising a photocatalyst, a material
decomposable through photocatalytic action upon pattern-wise
exposure, and a binder.
Claim 5
Dependent Claim
27 words
The structure for pattern formation according to any one of
claims 1 to 4, characterized in that the photocatalyst-containing layer
contains a compound having a siloxane bond.
Claim 6
Dependent Claim
22 words
The structure for pattern formation according to any one of
claims 1 to 5, characterized in that the photocatalyst-containing layer
contains silicone.
Claim 7
Dependent Claim
22 words
The structure for pattern formation according to claim 6,
characterized in that fluoroalkyl groups are bonded to silicon atoms in
the silicone.
Claim 8
Dependent Claim
28 words
The structure for pattern formation according to any one of
claims 6 and 7, characterized in that the silicone has been prepared
from a composition containing an organoalkoxysilane.
Claim 9
Dependent Claim
30 words
The structure for pattern formation according to any one of
clams 6 and 7, characterized in that the silicone has been prepared
from a composition containing a reactive silicone compound.
Claim 10
Dependent Claim
29 words
The structure for pattern formation according to any one of
claims 1 to 9, characterized in that the pattern forming structure is an
original plate for a printing plate.
Claim 11
Independent Claim
162 words
A method for pattern formation adapted for optically
forming a pattern, characterized by exposing pattern-wise a structure for pattern formation comprising: a substrate; a
photocatalyst-containing layer provided on the substrate, the
photocatalyst-containing layer containing a material of which the
wettability is variable through photocatalytic action, a structure for pattern formation comprising: a substrate; a
photocatalyst-containing layer provided on the substrate; and,
provided on the photocatalyst-containing layer, a layer containing a
material of which the wettability is variable through photocatalytic
action, a structure for pattern formation comprising: a substrate; a
photocatalyst-containing layer provided on the substrate; and,
provided on the photocatalyst-containing layer, a layer that, upon
pattern-wise exposure, is decomposable and removable through
photocatalytic action, or a structure for pattern formation comprising: a substrate; and
a composition layer provided on the substate, the composition layer
comprising a photocatalyst, a material decomposable through
photocatalytic action upon pattern-wise exposure, and a binder, to vary the wettability of the surface of the structure through
photocatalytic action.
Claim 12
Dependent Claim
26 words
The method for pattern formation according to claim 11,
characterized in that the pattern-wise exposure of the photocatalyst-containing
layer is carried out by light beam exposure.
Claim 13
Dependent Claim
27 words
The method for pattern formation according to claim 11,
characterized in that the pattern-wise exposure of the photocatalyst-containing
layer is carried out by exposure through a photomask.
Claim 14
Independent Claim
35 words
The method for pattern formation according to claim any
one of claims 11 to 13, characterized in that the pattern-wise
exposure of the photocatalyst-containing layer is carried out while
heating the structure for pattern formation.
Claim 15
Dependent Claim
63 words
An element characterized by comprising: a substrate; a
structure for pattern formation according to any one of claims 1 to 9
provided on the substrate; and a functional layer provided on the
structure for pattern formation in its areas corresponding to a pattern,
of the structure for pattern formation, obtained by the pattern-wise
exposure according to any one of claims 11 to 14.
Claim 16
Dependent Claim
52 words
An element characterized by being produced by
transferring a functional layer onto another substrate, the functional
layer being provided on a structure for pattern formation in its areas
corresponding to a pattern, of the structure for pattern formation,
obtained by the pattern-wise exposure according to any one of claims
11 to 14.
Claim 17
Dependent Claim
69 words
A process for producing an element, characterized by
comprising the steps of: providing the structure for pattern formation
according to any one of claims 1 to 9 on a substrate; and forming a
functional layer provided on the structure for pattern formation in its
areas corresponding to a pattern, of the structure for pattern
formation, obtained by the pattern-wise exposure according to any
one of claims 11 to 14.
Claim 18
Dependent Claim
67 words
A process for producing an element, characterized by
comprising the step of transferring a functional layer onto another
substrate, the functional layer being provided on a structure for
pattern formation in its areas corresponding to a pattern, of the
structure for pattern formation, obtained by the pattern-wise
exposure according to any one of claims 11 to 14, whereby the
functional layer is formed on the another substrate.
Claim 19
Dependent Claim
58 words
The process for producing an element according to claim
17, characterized by comprising the steps of: forming a composition
for a functional layer onto the whole surface of a structure for pattern
formation; and forming a patterned functional layer on the structure
for pattern formation only in its wettability-varied exposed areas by
utilizing the repellency of unexposed areas.
Claim 20
Dependent Claim
48 words
The process for producing an element according to claim
17, characterized by comprising the steps of: forming a composition
for a functional layer onto the whole surface of a structure for pattern
formation; and removing the functional layer in its unexposed areas
to form a patterned functional layer.
Claim 21
Dependent Claim
58 words
The process for producing an element according to claim
18, characterized by comprising the steps of: forming a composition
for a functional layer onto the whole surface of a structure for pattern
formation; and forming a patterned functional layer on the structure
for pattern formation only in its wettability-varied exposed areas by
utilizing the repellency of unexposed areas.
Claim 22
Dependent Claim
48 words
The process for producing an element according to claim
18, characterized by comprising the steps of: forming a composition
for a functional layer onto the whole surface of a structure for pattern
formation; and removing the functional layer in its unexposed areas
to form a patterned functional layer.
Claim 23
Dependent Claim
37 words
The process for producing an element according to any one
of claims 19 to 22, characterized in that the functional layer is formed
on the structure for pattern formation by coating a composition for a
functional layer.
Claim 24
Dependent Claim
40 words
The process for producing an element according to any one
of claims 19 to 22, characterized in that the functional layer is formed
on the structure for pattern formation by ejecting a composition for a
functional layer through a nozzle.
Claim 25
Dependent Claim
45 words
The process for producing an element according to any one
of claims 19 to 22, characterized in that the functional layer is formed
on the structure for pattern formation by thermal or pressure transfer
from a film coated with a composition for a functional layer.
Claim 26
Dependent Claim
34 words
The process for producing an element according to any one
of claims 19 to 22, characterized in that the functional layer is formed
on the structure for pattern formation by film formation utilizing
vacuum.
Claim 27
Dependent Claim
35 words
The process for producing an element according to any one
of claims 19 to 22, characterized in that the functional layer is formed
on the structure for pattern formation by film formation utilizing
electroless plating.
Claim 28
Dependent Claim
75 words
A color filter characterized by comprising: a transparent
substrate; a colored layer provided on the transparent substrate, the
colored layer comprising a plurality of colors formed in a
predetermined pattern; and a light shielding layer located at each
boundary region between two adjacent colored layers, at least one of
the colored layer and the light shielding layer having been formed on
the transparent substrate through a wettability-variable component
layer in its areas having specific wettability.
Claim 29
Dependent Claim
57 words
A color filter characterized by comprising: a transparent
substrate; a wettability-variable component layer provided on the
transparent substrate; a colored layer of a plurality of colors provided
in a predetermined pattern on the wettability-variable component
layer in its areas having specific wettability; and a light shielding layer
located at each boundary region between two adjacent colored layers.
Claim 30
Dependent Claim
76 words
A color filter characterized by comprising: a transparent
substrate provided with a light shielding layer in a predetermined
pattern; a wettability-varied component layer provided on the
transparent substrate so as to cover the light shielding layer; and a
colored layer of a plurality of colors provided in a predetermined
pattern on the wettability-variable component layer in its areas having
specific wettability, the light shielding layer being located at each
boundary region between two adjacent colored layers.
Claim 31
Dependent Claim
81 words
A color filter characterized by comprising: a transparent
substrate provided with a light shielding layer in a predetermined
pattern; laminated in number of desired colors, put on the
transparent substrate so as to cover the light shielding layer, the
laminates each comprising a wettability-variable component layer
and a colored layer provided in a predetermined pattern on the
wettability-variable component layer in its areas having specific
wettability, the light shielding layer being located at each boundary
region between two adjacent colored layers.
Claim 32
Dependent Claim
102 words
A color filter characterized by comprising: a transparent
substrate; a wettability-varied component layer provided on the
transparent substrate; a light shielding layer provided in a
predetermined pattern on the wettability-variable component layer in
its areas having specific wettability; laminates, in the number of
desired colors, put on the wettability-variable component layer so as
to cover the light shielding layer, the laminates each comprising a
wettability-variable component layer and a colored layer provided in a
predetermined pattern on the wettability-variable component layer in
its areas having specific wettability, the light shielding layer being
located at each boundary region between two adjacent colored layers.
Claim 33
Dependent Claim
27 words
A color filter according to any one of claims 28 to 32,
characterized in that the areas having specific wettability are areas
having high critical surface tension.
Claim 34
Dependent Claim
31 words
The color filter according to any one of claims 28 to 33,
characterized in that the wettability-variable component layer is a
photocatalyst-containing layer comprising at least a binder and a
photocatalyst.
Claim 35
Dependent Claim
26 words
The color filter according to claim 33 or 34, characterized
in that the binder contains an organopolysiloxane prepared from a
composition containing a chloro- or alkoxysilane.
Claim 36
Dependent Claim
25 words
The color filter according to claim 33 or 34, characterized
in that the binder contains an organopolysiloxane prepared from a
composition containing a reactive silicone.
Claim 37
Dependent Claim
25 words
The color filter according to any one of claims 28 to 33,
characterized in that the wettability-variable component layer is an
organic polymer resin layer.
Claim 38
Dependent Claim
85 words
A process for producing a color filter, characterized by
comprising: the first step of forming areas having specific wettability in a
predetermined pattern on a transparent substrate and depositing a
coating for a light shielding layer onto the areas having specific
wettability to form a light shielding layer; and the second step of forming areas having specific wettability in a
predetermined pattern on the transparent substrate and depositing a
coating for a colored layer onto the areas having specific wettability to
form a colored layer.
Claim 39
Dependent Claim
95 words
The process for producing a color filter according to claim
38, characterized in that, in the first step, a photocatalyst-containing
layer comprising at least a binder and a photocatalyst is formed on
the transparent substrate and is then irradiated with light to permit
light exposed areas to have high critical surface tension through
photocatalytic action, thereby forming the areas having specific
wettability, and, in the second step, the photocatalyst-containing
layer is irradiated with light to permit light exposed areas to have high
critical surface tension through photocatalytic action, thereby forming
the areas having specific wettability.
Claim 40
Dependent Claim
58 words
A process for producing a color filter, characterized by
comprising: the first step of forming areas having specific wettability in a
predetermined pattern on a transparent substrate provided with a
tight shielding layer of a predetermined pattern; and the second step of depositing a coating for a colored layer onto
the wettable areas to form a colored layer.
Claim 41
Dependent Claim
80 words
The process for producing a color filter according to claim
40, characterized in that, in the first step, a photocatalyst-containing
layer comprising at least a binder and a photocatalyst is formed on
the transparent substrate provided with the light shielding layer of a
predetermined pattern so as to cover the light shielding layer and is
then irradiated with light to permit light exposed areas to have high
critical surface tension through photocatalytic action, thereby forming
the areas having specific wettability.
Claim 42
Dependent Claim
74 words
A process for producing a color filter, characterized by
repeating the procedure for forming areas having specific wettability
in a predetermined pattern on a transparent substrate, provided with
a light shielding layer of a predetermined pattern, and depositing a
coating composition for a colored layer onto the areas having specific
wettability to form a colored layer as many times as required to form a
necessary number of colored layers of a plurality of colors.
Claim 43
Dependent Claim
76 words
The process for producing a color filter according to claim
42, characterized in that a photocatalyst-containing layer comprising
at least a binder and a photocatalyst is formed on the transparent
substrate provided with the light shielding layer of a predetermined
pattern so as to cover the light shielding layer and is then irradiated
with light to permit light exposed areas to have high critical surface
tension through photocatalytic action, thereby forming the areas
having specific wettability.
Claim 44
Dependent Claim
105 words
A process for producing a color filter, characterized by
comprising: the first step of forming areas having specific wettability in a
predetermined pattern on a transparent substrate and depositing a
coating for a tight shielding layer onto the areas having specific
wettability to form a light shielding layer; the second step of repeating the procedure for forming areas
having specific wettability in a predetermined pattern on the
transparent substrate and depositing a coating for a colored layer
onto areas having specific wettability to form a colored layer as many
times as required to form a necessary number of colored layers of a
plurality of colors.
Claim 45
Dependent Claim
115 words
The process for producing a color filter according to claim
44, characterized in that, in the first step, a photocatalyst-containing
layer comprising at least a binder and a photocatalyst is formed on
the transparent substrate and is then irradiated with tight to permit
tight exposed areas to have high critical surface tension through
photocatalytic action, thereby forming the areas having specific
wettability, and, in the second step, a photocatalyst-containing layer
comprising at least a binder and a photocatalyst is formed so as to
cover the light shielding layer and is then irradiated with light to
permit light exposed areas to have high critical surface tension
through photocatalytic action, thereby forming the areas having
specific wettability.
Claim 46
Dependent Claim
45 words
The process for producing a color filter according to any
one of claims 39, 41, 43, and 45, characterized in that exposure of the
photocatalyst-containing layer to light is carried out by any one of
pattern-wise exposure through a mask and a light beam exposure.
Claim 47
Dependent Claim
58 words
The process for producing a color filter according to any
one of claims 38 to 46, characterized in that the deposition of the
coating composition for a light shielding layer and/or the coating for a
colored layer is carried out by any one of a coating method, a nozzle
ejection method, and a vacuum thin film formation method.
Claim 48
Dependent Claim
59 words
The process for producing a color filter according to claim
47, characterized in that, in the vacuum thin film formation method,
after the formation of a thin film, the thin film formed of a coating for a
light shielding layer or a coating for a colored layer deposited on areas
other than the areas having specific wettability is removed.
Claim 49
Dependent Claim
61 words
A process for producing a lens, characterized by
comprising the steps of: forming a pattern based on a difference in wettability on the
surface of a substrate; depositing a liquid containing a material for a lens on areas
having specific wettability of the surface of the substrate; and curing the liquid containing the material for a lens to form a
lens.
Claim 50
Dependent Claim
15 words
The process for producing a lens according to claim 49,
wherein the substrate is transparent.
Claim 51
Dependent Claim
16 words
The process for producing a lens according to claim 49,
wherein the lens is a microlens.
Claim 52
Dependent Claim
24 words
The process for producing a lens according to claim 51,
wherein a plurality of the microlenses are regularly disposed to
provide a microlens array.
Claim 53
Dependent Claim
23 words
The process for producing a lens according to claim 49,
wherein the lenses are colored a single color or a plurality of colors.
Claim 54
Dependent Claim
34 words
The process for producing a lens according to claim 52,
wherein a plurality of the microlenses, which have been colored a
plurality of specific colors, are regularly disposed to provide a color
microlens array.
Claim 55
Dependent Claim
52 words
The process for producing a lens according to claim 49,
wherein the substrate has thereon a photocatalyst-containing layer
comprising a photocatalyst and a binder and, upon exposure of the
photocatalyst-containing layer to light, a pattern based on a difference
in wettability is formed on the surface of the substrate through
photocatalytic action.
Claim 56
Dependent Claim
27 words
The process for producing a lens according to claim 55,
wherein the photocatalyst-containing layer comprises at least a
photosemiconductor material as the photocatalyst and a binder
component.
Claim 57
Dependent Claim
38 words
The process for producing a lens according to claim 55,
wherein the liquid containing a material for the lens is deposited onto
the substrate in its areas of which the wettability has been varied
upon exposure to light
Claim 58
Dependent Claim
39 words
The process for producing a lens according to claim 55,
wherein the liquid containing a material for the lens is deposited onto
the substrate in its areas of which the wettability has remained
unvaried due to unexposure to light.
Claim 59
Dependent Claim
26 words
The process for producing a lens according to claim 49,
wherein the liquid containing a material for the lens is deposited onto
the substrate by coating.
Claim 60
Dependent Claim
29 words
The process for producing a lens according to claim 49,
wherein the liquid containing a material for the lens is deposited onto
the substrate by ejection through a nozzle.
Claim 61
Dependent Claim
38 words
The process for producing a lens according to claim 49,
wherein the liquid containing a material for the color lens is deposited
onto the substrate by ejection through nodes respectively for
necessary colors to provide a color microlens.
Claim 62
Dependent Claim
42 words
The process for producing a lens according to claim 49,
wherein, with respect to one substrate, the steps described in claim
49 are repeated for each color of the lens to provide an array of color
microlenses of a plurality of colors.
Claim 63
Dependent Claim
36 words
The process for producing a lens according to claim 49,
wherein the amount of the liquid containing a material for the lens
deposited onto the substrate is varied to regulate the focal length of
the lens.
Claim 64
Dependent Claim
98 words
A process for producing a lens having a light shielding
layer, characterized in that the process for producing a lens according
to claim 50 further comprises the steps of: forming a pattern, based on a difference in wettability, for a
light shielding layer pattern corresponding to a lens pattern onto the
transparent substrate on its backside not provided with the lens; depositing a liquid containing a material for the light shielding
layer onto areas having specific wettability of the light shielding layer
pattern in the substrate; and curing the liquid containing the material for the light shielding
layer.
Claim 65
Dependent Claim
34 words
The process for producing a lens provided with a light
shielding layer according to claim 64, wherein the liquid containing a
material for the light shielding layer is deposited onto the substrate by
coating.
Claim 66
Dependent Claim
37 words
The process for producing a lens provided with a light
shielding layer according to claim 64, wherein the liquid containing a
material for the light shielding layer is deposited onto the substrate by
section through a nozzle.
Claim 67
Dependent Claim
41 words
A lens characterized by comprising: a transparent
substrate; a photocatalyst-containing layer of which the wettability is
variable through photocatalytic action upon exposure to light; and a
lens provided on the photocatalyst-containing layers in its
wettability-varied areas or in its wettability-unvaried areas.
Claim 68
Dependent Claim
63 words
The lens according to claim 67, wherein a photocatalyst-containing
layer of which the wettability is variable through
photocatalytic action upon exposure to light is provided on the
backside, of the transparent substrate, not provided with the lens and
a light shielding layer pattern corresponding to the lens pattern is
provided on the photocatalyst-containing layer in its wettability-varied
areas or m its wettability-unvaried areas.
Claim 69
Dependent Claim
18 words
A microlens array comprising lenses according to claim 67
or 68, the lenses being microlenses disposed in array.
Claim 70
Dependent Claim
25 words
A color microlens array comprising lenses according to
claim 67 or 68, the lenses being color microlenses of a plurality of
colors disposed in array.
Claim 71
Dependent Claim
21 words
An image sensing device comprising the microlens array
according to claim 69 or the color microlens array according to claim
70.
Claim 72
Dependent Claim
19 words
A display comprising the microlens array according to
claim 69 or the color microlens array according to claim 70.
Claim 73
Dependent Claim
52 words
A plate for lithography characterized by comprising: a
substrate; a layer provided on the substrate, the wettability of the
layer being variable upon pattern-wise exposure, a resin layer
provided on areas of which the wettability has been varied upon
pattern-wise exposure; and areas that have been hydrophilified or
lipophilified upon whole exposure.
Claim 74
Dependent Claim
36 words
The plate for lithography according to claim 73,
characterized in that the layer of which the wettability is variable upon
exposure comprises: a photocatalyst; and a material of which the
wettability is variable through photocatalytic action.
Claim 75
Dependent Claim
28 words
The plate for lithography according to any one of claim 73
or 74, characterized in that the material of which the wettability is
variable comprises a silicone resin.
Claim 76
Dependent Claim
23 words
The plate for waterless lithography according to any one of
claims 73 to 75, characterized in that the resin layer is ink repellent.
Claim 77
Dependent Claim
24 words
The plate for waterless lithography according to any one of
claims 73 to 76, characterized in that the ink-repellent resin is a
silicon resin.
Claim 78
Dependent Claim
41 words
The plate for waterless lithography according to any one of
claims 73 to 77, characterized in that the ink-repellent resin is a
silicone resin layer that has been crosslinked by a condensation
reaction of SiOH groups with a hydroyzable crosslinking agent.
Claim 79
Dependent Claim
39 words
The plate for waterless lithography according to any one of
claims 73 to 77, characterized in that the ink-repellent resin is a
silicone resin layer that has been crosslinked by an addition reaction
of SiH groups with vinyl groups.
Claim 80
Dependent Claim
28 words
The plate for lithography using dampening water
according to any one of claims 73 to 75, characterized in that the resin
layer is ink receptive and water repellent.
Claim 81
Dependent Claim
66 words
A process for producing a plate for lithography,
characterized by comprising the steps of: putting a layer onto a
substrate, the wettability of the layer being variable through
photocatalytic action upon pattern-wise exposure; pattern-wise
exposing the layer; coating a resin composition to selectively form a
resin layer on wettability-varied areas; and then conducting exposure
to vary the wettability of areas not provided with the resin layer.
References Cited (Backward Citations)
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