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US 10,761,370 B2Granted
Optical film and display device comprising the same
AssigneeLG Display Co., Ltd.
InventorMyungJoon Park
Life of this patent
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Abstract
An optical film and a display device comprising the same are disclosed, in which luminance may be prevented from being deteriorated. The optical film comprises a first base film; a second base film spaced apart from the first base film to face the first base film; and an optical pattern arranged between the first base film and the second base film, absorbing a portion of light incident to the optical film, wherein the optical pattern has a reflective surface at one end.
Claims5
A display device including an optical film comprising:
- a printed circuit board;
- light sources packaged in the printed circuit board;
- an optical sheet portion arranged on the light sources;
- the optical film arranged on the optical sheet portion;
- and
- a liquid crystal panel arranged on the optical film,
- wherein the optical film comprises:
- a first base film;
- a second base film spaced apart from the first base film to face the first base film;
- and
- an optical pattern arranged between the first base film and the second base film, absorbing a portion of light incident to the optical film,
- wherein the optical pattern has a reflective surface at one end,
- wherein the first base film is in contact with the reflective surface, and is provided with a reflective groove on a surface which is in contact with the reflective surface.
10 more elements
An optical film comprising:
- a first base film;
- a second base film spaced apart from the first base film to face the first base film;
- and
- an optical pattern arranged between the first base film and the second base film, absorbing a portion of light incident to the optical film,
- wherein the optical pattern has a reflective surface at one end,
- wherein the optical pattern has the reflective surface at one end which is close to the first base film, and
- wherein the optical film further includes a third base film on an opposite surface of a surface of the first base film facing the optical pattern, and the third base film is provided with a reflective member at a position corresponding to the optical pattern.
4 more elements
Dependencies are inferred from the claim text.