Liquid crystal display device
First Claim
Patent Images
1. A liquid crystal display device for displaying an image by changing orientation of a liquid crystal layer sealed between two substrates, the device comprising:
- a lower substrate having a microstructure which outputs light incident on a side surface of the lower substrate to an upper surface of the lower substrate;
a light source emitting light to the side surface of the lower substrate;
a selective reflection panel provided on the upper surface of the lower substrate to reflect light having a predetermined incident angle or more and transmit the remaining light; and
a reflection panel provided under the lower substrate,wherein the selective reflection panel is configured to reflect the light having an incident angle that is greater than 42°
with respect to a plane perpendicular to the upper surface of the lower substrate.
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Abstract
A liquid crystal display device for displaying an image by changing orientation of a liquid crystal layer sealed between two substrates includes a lower substrate having a microstructure which outputs light incident on a side surface of the lower substrate to an upper surface of the lower substrate, a light source emitting light to the side surface of the lower substrate, a selective reflection panel provided on the upper surface of the lower substrate to reflect light having a predetermined incident angle or more and transmit the remaining light, and a reflection panel provided under the lower substrate.
34 Citations
3 Claims
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1. A liquid crystal display device for displaying an image by changing orientation of a liquid crystal layer sealed between two substrates, the device comprising:
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a lower substrate having a microstructure which outputs light incident on a side surface of the lower substrate to an upper surface of the lower substrate; a light source emitting light to the side surface of the lower substrate; a selective reflection panel provided on the upper surface of the lower substrate to reflect light having a predetermined incident angle or more and transmit the remaining light; and a reflection panel provided under the lower substrate, wherein the selective reflection panel is configured to reflect the light having an incident angle that is greater than 42°
with respect to a plane perpendicular to the upper surface of the lower substrate.
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2. A liquid crystal display device for displaying an image by changing orientation of a liquid crystal layer sealed between two substrates, the device comprising:
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a lower substrate having a microstructure which outputs light incident on a side surface of the lower substrate to an upper surface of the lower substrate; a light source emitting light to the side surface of the lower substrate; a selective reflection panel provided on the upper surface of the lower substrate to reflect light having a predetermined incident angle or more and transmit the remaining light; and a reflection panel provided under the lower substrate, wherein the selective reflection panel is configured to reflect the light having an incident angle that is greater than 30°
with respect to a plane perpendicular to the upper surface of the lower substrate.
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3. A liquid crystal display device for displaying an image by changing orientation of a liquid crystal layer sealed between two substrates, the device comprising:
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a lower substrate having a microstructure which outputs light incident on a side surface of the lower substrate to an upper surface of the lower substrate; a light source emitting light to the side surface of the lower substrate; a selective reflection panel provided on the upper surface of the lower substrate to reflect light having a predetermined incident angle or more and transmit the remaining light; and a reflection panel provided under the lower substrate, wherein the microstructure is a holographic pattern having a diffraction grating structure, wherein the holographic pattern is formed at at least one of a lower surface and the upper surface of the lower substrate, and wherein the holographic pattern is formed at the upper surface of the lower substrate.
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Specification
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Current AssigneeSamsung Display Company Limited (Samsung Electronics Co. Ltd.)
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Original AssigneeSamsung Electronics Co. Ltd.
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InventorsLee, Moon-gyu, Choi, Jin-seung, Kim, Jin-hwan, Min, Jee-hong, Choi, Hwan-young
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Primary Examiner(s)Nguyen; Dung T.
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Application NumberUS10/624,541Publication NumberTime in Patent Office1,399 DaysField of Search349 61- 64, 349/113US Class Current349/113CPC Class CodesG02B 6/0036 2-D arrangement of prisms, ...G02B 6/0056 for producing polarisation ...G02F 1/133528 PolarisersG02F 1/133555 TransflectorsG02F 1/133615 Edge-illuminating devices, ...G02F 1/133621 providing coloured light G0...
