Display device
By employing a dual-layer backlight unit structure in the display device and utilizing symmetrical and asymmetrical cone-shaped light guide plate patterns to control the light emission angle, the problem of the inability to limit the viewing angle of the display device is solved, enabling viewing angle adjustment in different modes and improving privacy protection and image display effects.
CN122151273APending Publication Date: 2026-06-05LG DISPLAY CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- LG DISPLAY CO LTD
- Filing Date
- 2021-12-23
- Publication Date
- 2026-06-05
Smart Images
Figure CN122151273A_ABST
Abstract
A display device includes a display panel configured to display an image, a first back light unit positioned below the display panel and outputting first light, and a second back light unit positioned between the display panel and the first back light unit and outputting second light, wherein the first back light unit includes a first light guide plate having a first pattern protruding or recessed from a rear surface of the first light guide plate, the second back light module includes a second light guide plate having a second pattern protruding from a front surface of the second light guide plate, and the second pattern has an asymmetric pyramidal shape.
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