Invention Grant
- Patent Title: Segmented backlight for liquid crystal display
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Application No.: US15637931Application Date: 2017-06-29
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Publication No.: US10678054B1Publication Date: 2020-06-09
- Inventor: Jianru Shi , Fenglin Peng
- Applicant: Facebook Technologies, LLC
- Applicant Address: US CA Menlo Park
- Assignee: Facebook Technologies, LLC
- Current Assignee: Facebook Technologies, LLC
- Current Assignee Address: US CA Menlo Park
- Agency: Fenwick & West LLP
- Main IPC: G02B27/22
- IPC: G02B27/22 ; G02B27/01 ; G02F1/13357 ; G06F3/01 ; H04N13/344 ; H04N13/366 ; G06T19/00

Abstract:
A display device includes a liquid crystal layer and a backlight. The liquid crystal layer includes a first liquid crystal portion including a first plurality of pixels, and a second liquid crystal portion including a second plurality of pixels. The backlight includes a first backlight unit corresponding to the first liquid crystal portion, and a second backlight unit corresponding to the second liquid crystal portion. Each backlight unit includes one or more light sources, and a light guide for guiding light generated by the one or more light sources to a respective liquid crystal portion.
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