Lighting fitting with a diffusser

Claim 2

An illumination member, comprising: a diffuser having an output face, the diffuser receiving light from at least one light source and transmitting the light to the output face, the diffuser including elements having high light-transmission properties, wherein the elements transmit the light received from the at least one light source to the output face as a function of at least one of a geometry of the output face, a number of the elements, a size of the elements, and a homogeneity of the elements in the diffuser; and a reflector positioned on a lateral surface of the diffuser.

Claim 3

The illumination member according to claim 1 , wherein the diffuser further includes a reflector positioned on a surface of the diffuser different from the output face.

Claim 4

The illumination member according to claim 1 , wherein the elements include a plurality of transparent spheres and transparent particles having a first refractive index, and wherein the diffuser has a second refractive index being different from the first refractive index.

Claim 5

The illumination member according to claim 1 , wherein the at least one light source includes at least one of a lamp, a tube, and a light-emitting diode.

Claim 6

The illumination member according to claim 1 , wherein the at least one light source is arranged on a face of the diffuser.

Claim 7

The illumination member according to claim 1 , further comprising: a deflecting mirror arranged on a face of the diffuser.

Claim 8

The illumination member according to claim 1 , wherein the illumination member illuminates one of a display, a control panel, and a symbol.

Claim 9

The illumination member according to claim 1 , wherein the illumination member is used in a motor vehicle display.

Claim 10

The illumination member according to claim 1 , wherein the elements output the light as a function of the geometry of the output face.

Claim 11

The illumination member according to claim 1 , wherein the elements output the light as a function of the number of the elements.

Claim 12

The illumination member according to claim 1 , wherein the elements output the light as a function of the size of the elements.

Claim 13

The illumination member according to claim 1 wherein the elements output the light as a function of the homogeneity of the elements in the diffuser.

Claim 14

The illumination member according to claim 1 , wherein the at least one light source is a plurality of light sources positioned at the lateral surface of the diffuser.

Claim 15

The illumination member according to claim 1 , wherein the diffuser has a thickness of about 3 millimeters.

Claim 16

The illumination member according to claim 7 , wherein at least one of the display and the control panel includes a transmissive liquid crystal display.

Claim 17

The illumination member according to claim 7 further comprising: a control unit for increasing a light intensity of the at least one light source for a predetermined time period if at least one of the display, the control panel, and a sensor is pressed.

Claim 18

The illumination member according to claim 8 , wherein the illumination member is used in a car radio.

Claim 19

An illumination member, comprising: a diffuser having an output face, the diffuser receiving light from at least one light source and transmitting the light to the output face, the diffuser including elements having high light-transmission properties, wherein the elements transmit the light received from the at least one light source to the output face as a function of at least one of a geometry of the output face, a number of the elements, a size of the elements, and a homogeneity of the elements in the diffuser, and a reflector positioned on a lateral surface of the diffuser; wherein the elements of the diffuser comprise a plurality of transparent particles, and wherein a diffusion doping level d is linearly and inversely proportional to a light decoupling length l within a scattering value region defined at least by a first value pair and a second value pair, said first value pair having a first d value and a first l value, and said second value pair having a second d value and a second l value.

Claim 20

An illumination member, comprising: a diffuser having an output face, the diffuser receiving light from at least one light source and transmitting the light to the output face, the diffuser including elements having high light-transmission properties, wherein the elements transmit the light received from the at least one light source to the output face as a function of at least one of a geometry of the output face, a number of the elements, a size of the elements, and a homogeneity of the elements in the diffuser, and a reflector positioned on a lateral surface of the diffuser; wherein the elements of the diffuser comprise a plurality of transparent particles, and wherein a diffusion doping level d is linearly and inversely proportional to a light decoupling length l within a scattering value region defined at least by a first value pair and a second value pair, said first value pair having a first d value and a first l value, and said second value pair having a second d value and a second l value.

Claim 21

An illumination member, comprising: a diffuser having an output face, the diffuser receiving light from at least one light source and transmitting the light to the output face, the diffuser including elements having high light-transmission properties, wherein the elements transmit the light received from the at least one light source to the output face as a function of at least one of a geometry of the output face, a number of the elements, a size of the elements, and a homogeneity of the elements in the diffuser, wherein the elements of the diffuser comprise a plurality of transparent particles, and wherein a diffusion doping level d is linearly and inversely proportional to a light decoupling length l within a scattering value region defined at least by a first value pair and a second value pair, said first value pair having a first d value and a first l value, and said second value pair having a second d value and a second l value.

Claim 22

An illumination member, comprising: a diffuser having an output face, the diffuser receiving light from at least one light source and transmitting the light to the output face, the diffuser including elements having high light-transmission properties, wherein the elements transmit the light received from the at least one light source to the output face as a function of at least one of a geometry of the output face, a number of the elements, a size of the elements, and a homogeneity of the elements in the diffuser, wherein the elements of the diffuser comprise a plurality of transparent particles, and wherein a diffusion doping level d is linearly and inversely proportional to a light decoupling length l within a scattering value region defined at least by a first value pair and a second value pair, said first value pair having a first d value and a first l value, and said second value pair having a second d value and a second l value.

Claim 23

The illumination member according to claim 19 wherein said first d value is between approximately 5.25% and 4.35%, said second d value is approximately 1%, said first l value is approximately 10mm, and said second l value is between approximately 85 mm and 105 mm.

Claim 24

The illumination member according to claim 19 wherein said scattering value region is further defined by a third value pair and a fourth value pair, and wherein said first d value is approximately 5.25%, said second d value is approximately 1%, said first l value is approximately 10 mm, said second l value is approximately 105 mm, said third value pair having a third d value of approximately 4.35% and a third l value of approximately 10 mm, and said fourth value pair having a fourth d value of approximately 1% and a fourth l value of approximately 85 mm.

Claim 25

An illumination member, comprising: a diffuser having an output face, the diffuser receiving light from at least one light source and transmitting the light to the output face, the diffuser including elements having high light-transmission properties, wherein the elements transmit the light received from the at least one light source to the output face as a function of a homogeneity of the elements in the diffuser and at least one of a geometry of the output face, a number of the elements and a size of the elements.

Claim 26

An illumination member, comprising: a diffuser having an output face, the diffuser receiving light from at least one light source and transmitting the light to the output face, the diffuser including elements having high light-transmission properties, wherein the elements transmit the light received from the at least one light source to the output face as a function of a homogeneity of the elements in the diffuser and at least one of a geometry of the output face, a number of the elements and a size of the elements.

Claim 27

The illumination member according to claim 22 , wherein the at least one light source is a plurality of light sources positioned at a lateral surface of the diffuser.

Claim 28

The illumination member according to claim 22 , wherein the diffuser has a thickness of about 3 millimeters.

Claim 29

The illumination member according to claim 23 , wherein the plurality of light sources are disposed at least one lateral edge of the illumination member.