Title:
FRONT LIGHT SOURCE AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/046014
Kind Code:
A1
Abstract:
Disclosed in the present invention are a front light source and a display device. The front light source comprises: a housing extending in a first direction, the side wall of the housing being provided with an opening extending in the first direction; a support frame located inside the housing and extending in the first direction, the support frame comprising a support surface; a light bar extending in the first direction and attached to the support surface, the side of the light bar away from the support surface being provided with a plurality of light-emitting units arranged in the first direction; and a spreadlight lens located between the light bar and the opening and extending in the first direction, the spreadlight lens comprising a light incident end face, a light exiting end face, a first reflective curved surface, and a second reflective curved surface which extend in the first direction, the light incident end face being disposed near the light bar, the light exiting end face being opposite to the opening, the first reflective curved surface and the second reflective curved surface being connected between the light incident end face and the light exiting end face, and the curvature of the first reflective curved surface being larger than that of the second reflective curved surface. The front light source facilitates uniform illumination of a reflective display screen, and has a simple and reliable structure and low costs.
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Inventors:
GUO YUE (CN)
SUN YANJUN (CN)
ZHANG MINGHUI (CN)
WANG YAOHUI (CN)
GAO ZHENGANG (CN)
GAO LONGYUE (CN)
ZHANG QIAN (CN)
LIU DONGYU (CN)
SUN YANJUN (CN)
ZHANG MINGHUI (CN)
WANG YAOHUI (CN)
GAO ZHENGANG (CN)
GAO LONGYUE (CN)
ZHANG QIAN (CN)
LIU DONGYU (CN)
Application Number:
PCT/CN2023/110625
Publication Date:
March 07, 2024
Filing Date:
August 01, 2023
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
BEIJING BOE DISPLAY TECH CO (CN)
BEIJING BOE DISPLAY TECH CO (CN)
International Classes:
G02F1/13357; F21V5/04
Foreign References:
| CN115356876A | 2022-11-18 | |||
| CN107461714A | 2017-12-12 | |||
| CN207065476U | 2018-03-02 | |||
| TW200825331A | 2008-06-16 | |||
| CN101603665A | 2009-12-16 | |||
| CN110007390A | 2019-07-12 | |||
| CN111609346A | 2020-09-01 | |||
| CN216010517U | 2022-03-11 |
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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