Invention Grant
- Patent Title: Liquid crystal display device
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Application No.: US16379031Application Date: 2019-04-09
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Publication No.: US10802316B2Publication Date: 2020-10-13
- Inventor: Hisashi Nagata , Yasuyoshi Kaise , Jin Nakamura
- Applicant: SHARP KABUSHIKI KAISHA
- Applicant Address: JP Sakai, Osaka
- Assignee: SHARP KABUSHIKI KAISHA
- Current Assignee: SHARP KABUSHIKI KAISHA
- Current Assignee Address: JP Sakai, Osaka
- Agency: ScienBiziP, P.C.
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@559789c9
- Main IPC: G02F1/1333
- IPC: G02F1/1333 ; G02F1/1368 ; G02F1/1337 ; G02F1/1335 ; G02F1/1362

Abstract:
The present invention provides a liquid crystal display device which can prevent a camera image from being adversely affected by the birefringence of external polarized light which enters a camera through the liquid crystal layer. In a liquid crystal display device (1A), light to enter a camera (3) passes through a part of a liquid crystal panel (10A). The liquid crystal panel (10A) is configured so that the first part of the liquid crystal layer (14), which first part is located in the camera light transmissive region (S1) allowing the light to enter the camera 3 to pass therethrough, has a retardation R1 represented by the following formula: R1=mλ (where (i) m is a positive integer and (ii) λ is a wavelength of the light passing through the liquid crystal layer). A second part of the liquid crystal layer (14), which second part is located in a non-camera light transmissive region (S2) excluding the camera light transmissive region (S1), has a retardation R2 represented by the following formula: R2=λ/2(2k+1) (where k is 0 or an integer).
Public/Granted literature
- US20190310501A1 LIQUID CRYSTAL DISPLAY DEVICE Public/Granted day:2019-10-10
Information query
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