Heads-up display

Claim 2

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a predetermined first wavelength, to reflect a second wavelength corresponding to a substantially complementary color of the predetermined first wavelength and to pass therethrough wavelengths of a background light other than the first and second wavelengths; and an information source which emits an information light having the predetermined first wavelength and configured so that the background light transmitted through said holographic optical element and the information light reflected by the holographic optical element can be simultaneously viewed along the field of view.

Claim 3

A heads-up display according to claim 1, wherein said holographic optical element is a hologram plate having the diffraction characteristics such that said holographic optical element reflects the predetermined first wavelength and the second wavelength corresponding to a substantially complementary color of the predetermined first wavelength.

Claim 4

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a predetermined first wavelength and pass a background light of wavelengths other than the predetermined first wavelength therethrough; an information source which emits an information light of the predetermined first wavelength and configured to direct the information light onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second wavelength of light corresponding to a substantially complementary color of the predetermined first wavelength so that the background light transmitted through said holographic optical element and the information light of the predetermined first wavelength reflected by the holographic optical element can be simultaneously viewed along the field of view.

Claim 5

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a predetermined first wavelength and pass a background light of wavelengths other than the predetermined first wavelength therethrough; an information source which emits an information light of the predetermined first wavelength and configured to direct the information light onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second wavelength of light corresponding to a substantially complementary color of the predetermined first wavelength so that the background light transmitted through said holographic optical element and the information light of the predetermined first wavelength reflected by the holographic optical element can be simultaneously viewed along the field of view.

Claim 6

A heads-up display according to claim 3, wherein said additional optical element does not pass the second wavelength by reflecting the second wavelength which corresponds to the substantially complementary color of the predetermined first wavelength.

Claim 7

A heads-up display according to claim 3, wherein said additional optical element does not pass the second wavelength by absorbing the second wavelength which corresponds to the substantially complementary color of the predetermined first wavelength.

Claim 8

A heads-up display according to claim 3, wherein said additional optical element is located along the field of view between the holographic optical element and a source of the background light.

Claim 9

A heads-up display according to claim 3, wherein said holographic optical element comprises a hologram which reflects only the predetermined first wavelength and passes wavelengths other than the predetermined first wavelength, and wherein said additional optical element comprises a substrate on which the hologram of the holographic optical element is formed and which removes the second wavelength which corresponds to the substantially complementary color of the predetermined first wavelength and passes wavelengths other than the second wavelength.

Claim 10

A heads-up display according to claim 7, wherein said substrate reflects the second wavelength.

Claim 11

A heads-up display according to claim 3, wherein the second wavelength is a combination of two wavelengths which are removed by said additional optical element.

Claim 12

A heads-up display comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a predetermined first wavelength and pass a background light of wavelengths other than the predetermined first wavelength therethrough; an information source which emits an information light of the predetermined first wavelength and configured to direct the information light onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second wavelength of light corresponding to a substantially complementary color of the predetermined first wavelength so that the background light transmitted through said holographic optical element and the information light of the predetermined first wavelength reflected by the holographic optical element can be simultaneously viewed along the field of view; and wherein both said holographic optical element and said additional optical element are formed on a common transparent substrate.

Claim 13

A heads-up display comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a predetermined first wavelength and pass a background light of wavelengths other than the predetermined first wavelength therethrough; an information source which emits an information light of the predetermined first wavelength and configured to direct the information light onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second wavelength of light corresponding to a substantially complementary color of the predetermined first wavelength so that the background light transmitted through said holographic optical element and the information light of the predetermined first wavelength reflected by the holographic optical element can be simultaneously viewed along the field of view; and wherein both said holographic optical element and said additional optical element are formed on a common transparent substrate.

Claim 14

A heads-up display comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a predetermined first wavelength and pass a background light of wavelengths other than the predetermined first wavelength therethrough; an information source which emits an information light of the predetermined first wavelength and configured to direct the information light onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second wavelength of light corresponding to a substantially complementary color of the predetermined first wavelength so that the background light transmitted through said holographic optical element and the information light of the predetermined first wavelength reflected by the holographic optical element can be simultaneously viewed along the field of view; and wherein said additional optical element is located along the field of view between the holographic optical element and a viewer.

Claim 15

A heads-up display comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a predetermined first wavelength and pass a background light of wavelengths other than the predetermined first wavelength therethrough; an information source which emits an information light of the predetermined first wavelength and configured to direct the information light onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second wavelength of light corresponding to a substantially complementary color of the predetermined first wavelength so that the background light transmitted through said holographic optical element and the information light of the predetermined first wavelength reflected by the holographic optical element can be simultaneously viewed along the field of view; and wherein said additional optical element is located along the field of view between the holographic optical element and a viewer.

Claim 16

A heads-up display comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a predetermined first wavelength and pass a background light of wavelengths other than the predetermined first wavelength therethrough; an information source which emits an information light of the predetermined first wavelength and configured to direct the information light onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second wavelength of light corresponding to a substantially complementary color of the predetermined first wavelength so that the background light transmitted through said holographic optical element and the information light of the predetermined first wavelength reflected by the holographic optical element can be simultaneously viewed along the field of view; and wherein said holographic optical element comprises a hologram which reflects only the predetermined first wavelength and passes wavelengths other than the predetermined first wavelength; wherein said additional optical element comprises a substrate on which the hologram of the holographic optical element is formed and which removes the second wavelength which corresponds to the substantially complementary color of the predetermined first wavelength and passes wavelengths other than the second wavelength; and wherein said substrate absorbs the second wavelength.

Claim 17

A heads-up display comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a predetermined first wavelength and pass a background light of wavelengths other than the predetermined first wavelength therethrough; an information source which emits an information light of the predetermined first wavelength and configured to direct the information light onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second wavelength of light corresponding to a substantially complementary color of the predetermined first wavelength so that the background light transmitted through said holographic optical element and the information light of the predetermined first wavelength reflected by the holographic optical element can be simultaneously viewed along the field of view; and wherein said holographic optical element comprises a hologram which reflects only the predetermined first wavelength and passes wavelengths other than the predetermined first wavelength; wherein said additional optical element comprises a substrate on which the hologram of the holographic optical element is formed and which removes the second wavelength which corresponds to the substantially complementary color of the predetermined first wavelength and passes wavelengths other than the second wavelength; and wherein said substrate absorbs the second wavelength.

Claim 18

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a first set of predetermined wavelengths and to reflect a second set of wavelengths each corresponding to a substantially complementary color of a corresponding one of the predetermined wavelengths of the first set and to pass a remaining part of a background light therethrough; and an information source which emits information lights corresponding to the first set of the predetermined wavelengths and configured so that the background light transmitted through said holographic optical element and the information lights reflected by said holographic optical element can be simultaneously viewed along the field of view.

Claim 19

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a first set of predetermined wavelengths and to reflect a second set of wavelengths each corresponding to a substantially complementary color of a corresponding one of the predetermined wavelengths of the first set and to pass a remaining part of a background light therethrough; and an information source which emits information lights corresponding to the first set of the predetermined wavelengths and configured so that the background light transmitted through said holographic optical element and the information lights reflected by said holographic optical element can be simultaneously viewed along the field of view.

Claim 20

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a first set of predetermined wavelengths and to pass a remaining part of a background light therethrough; an information source which emits information lights corresponding to the first set of the predetermined wavelengths and configured to direct the information lights onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second set of wavelengths each corresponding to a substantially complementary color of a corresponding one of the predetermined wavelengths of the first set so that the background light transmitted through said holographic optical element and the information lights reflected by said holographic optical element can be simultaneously viewed along the field of view.

Claim 21

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a first set of predetermined wavelengths and to pass a remaining part of a background light therethrough; an information source which emits information lights corresponding to the first set of the predetermined wavelengths and configured to direct the information lights onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second set of wavelengths each corresponding to a substantially complementary color of a corresponding one of the predetermined wavelengths of the first set so that the background light transmitted through said holographic optical element and the information lights reflected by said holographic optical element can be simultaneously viewed along the field of view.

Claim 22

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a first set of predetermined wavelengths and to pass a remaining part of a background light therethrough; an information source which emits information lights corresponding to the first set of the predetermined wavelengths and configures to direct the information lights onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second set of wavelengths each corresponding to a substantially complementary color of a corresponding one of the predetermined wavelengths of the first set so that the background light transmitted through said holographic optical element and the information lights reflected by said holographic optical element can be simultaneously viewed along the field of view; and wherein said holographic optical element comprises a plurality of holograms formed on a transparent substrate.

Claim 23

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a first set of predetermined wavelengths and to pass a remaining part of a background light therethrough; an information source which emits information lights corresponding to the first set of the predetermined wavelengths and configures to direct the information lights onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second set of wavelengths each corresponding to a substantially complementary color of a corresponding one of the predetermined wavelengths of the first set so that the background light transmitted through said holographic optical element and the information lights reflected by said holographic optical element can be simultaneously viewed along the field of view; and wherein said holographic optical element comprises a plurality of holograms formed on a transparent substrate.

Claim 24

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a first set of predetermined wavelengths and to pass a remaining part of a background light therethrough; an information source which emits information lights corresponding to the first set of the predetermined wavelengths and configured to direct the information lights onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second set of wavelengths each corresponding to a substantially complementary color of a corresponding one of the predetermined wavelengths of the first set so that the background light transmitted through said holographic optical element and the information lights reflected by said holographic optical element can be simultaneously viewed along the field of view; and wherein said holographic optical element comprises a plurality of hologram plates, each hologram plate having a hologram formed on a transparent substrate.

Claim 25

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a first set of predetermined wavelengths and to pass a remaining part of a background light therethrough; an information source which emits information lights corresponding to the first set of the predetermined wavelengths and configured to direct the information lights onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second set of wavelengths each corresponding to a substantially complementary color of a corresponding one of the predetermined wavelengths of the first set so that the background light transmitted through said holographic optical element and the information lights reflected by said holographic optical element can be simultaneously viewed along the field of view; and wherein said holographic optical element comprises a plurality of hologram plates, each hologram plate having a hologram formed on a transparent substrate.

Claim 26

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a first set of predetermined wavelengths and to pass a remaining part of a background light therethrough; an information source which emits information lights corresponding to the first set of the predetermined wavelengths and configured to direct the information lights onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second set of wavelengths each corresponding to a substantially complementary color of a corresponding one of the predetermined wavelengths of the first set so that the background light transmitted through said holographic optical element and the information lights reflected by said holographic optical element can be simultaneously viewed along the field of view; and wherein said additional optical element comprises a plurality of optical plates which reflect or absorb the second set of wavelengths.

Claim 27

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a first set of predetermined wavelengths and to pass a remaining part of a background light therethrough; an information source which emits information lights corresponding to the first set of the predetermined wavelengths and configured to direct the information lights onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second set of wavelengths each corresponding to a substantially complementary color of a corresponding one of the predetermined wavelengths of the first set so that the background light transmitted through said holographic optical element and the information lights reflected by said holographic optical element can be simultaneously viewed along the field of view; and wherein said additional optical element comprises a plurality of optical plates which reflect or absorb the second set of wavelengths.

Claim 28

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a first set of predetermined wavelengths and to pass a remaining part of a background light therethrough; an information source which emits information lights corresponding to the first set of the predetermined wavelengths and configured to direct the information lights onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second set of wavelengths each corresponding to a substantially complementary color of a corresponding one of the predetermined wavelengths of the first set so that the background light transmitted through said holographic optical element and the information lights reflected by said holographic optical element can be simultaneously viewed; and wherein both said holographic optical element and said additional optical element are formed on a common transparent substrate.

Claim 29

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a first set of predetermined wavelengths and to pass a remaining part of a background light therethrough; an information source which emits information lights corresponding to the first set of the predetermined wavelengths and configured to direct the information lights onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a second set of wavelengths each corresponding to a substantially complementary color of a corresponding one of the predetermined wavelengths of the first set so that the background light transmitted through said holographic optical element and the information lights reflected by said holographic optical element can be simultaneously viewed; and wherein both said holographic optical element and said additional optical element are formed on a common transparent substrate.

Claim 30

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a first set of predetermined wavelengths and to pass a remaining part of a background light therethrough; an information source which emits information lights corresponding to the first set of the predetermined wavelengths and configured to direct the information lights onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a wavelength of light corresponding to a substantially complementary color of the first set of predetermined wavelengths in combination so that the background light transmitted through said holographic optical element and the information lights reflected by said holographic optical element can be simultaneously viewed along the field of view.

Claim 31

A heads-up display, comprising: a holographic optical element located along a field of view and having diffraction characteristics sufficient to reflect a first set of predetermined wavelengths and to pass a remaining part of a background light therethrough; an information source which emits information lights corresponding to the first set of the predetermined wavelengths and configured to direct the information lights onto a surface of said holographic optical element; and an additional optical element located along the field of view and having characteristics sufficient to not pass therethrough a wavelength of light corresponding to a substantially complementary color of the first set of predetermined wavelengths in combination so that the background light transmitted through said holographic optical element and the information lights reflected by said holographic optical element can be simultaneously viewed along the field of view.