Compact rear projection display
First Claim
Patent Images
1. A rear projection display comprising:
- a main body unit which generates image signals;
an image providing unit which forms and projects an image according to the image signals received from the main body unit; and
a transparent light guide plate, and a screen formed at a side thereof, wherein the image received from the image providing unit is guided to the screen by the transparent light guide plate,the transparent light guide plate comprising a transparent image incidence surface through which the image projected by the image providing unit is incident, and a magnifying reflection surface facing the transparent image incidence surface and, which magnifies and reflects the image incident through the transparent image incidence surface,wherein the magnifying reflection surface is convex.
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Abstract
A compact rear projection display which can be used in mobile devices is provided. The compact rear projection display includes a main body unit which generates image signals, an image providing unit which forms and projects an image according to the image signals received from the main body unit, a transparent light guide plate, and a screen disposed at a surface of the transparent light guide plate. The transparent light guide plate guides the image incident from the image providing unit to be displayed on the screen.
57 Citations
22 Claims
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1. A rear projection display comprising:
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a main body unit which generates image signals; an image providing unit which forms and projects an image according to the image signals received from the main body unit; and a transparent light guide plate, and a screen formed at a side thereof, wherein the image received from the image providing unit is guided to the screen by the transparent light guide plate, the transparent light guide plate comprising a transparent image incidence surface through which the image projected by the image providing unit is incident, and a magnifying reflection surface facing the transparent image incidence surface and, which magnifies and reflects the image incident through the transparent image incidence surface, wherein the magnifying reflection surface is convex. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A rear projection display comprising:
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a main body unit which generates image signals; an image providing unit , which forms an image according to the image signals received from the main body unit; and a flat transparent light guide plate, wherein the transparent light guide plate comprises; a screen disposed at a surface of the transparent light guide plate, a transparent image incidence surface, disposed at a first end of the transparent light guide plate, through which the image projected by the image providing unit is incident; a first reflection surface, facing the transparent image incidence surface at the first end of the transparent light guide plate, which reflects the image incident through the transparent image incidence surface; a second reflection surface, facing the first reflecting surface and disposed at a second end of the transparent light guide plate, which reflects the image reflected by the first reflection surface; and a mirror array, facing the screen, which reflects the image reflected by the second reflection surface to the screen, whereby the image is incident on the screen at a right angle thereto. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification