Invention Grant
- Patent Title: Display device
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Application No.: US16163994Application Date: 2018-10-18
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Publication No.: US10580370B2Publication Date: 2020-03-03
- Inventor: Tatsuya Yata , Kazunari Tomizawa
- Applicant: Japan Display Inc.
- Applicant Address: JP Tokyo
- Assignee: Japan Display Inc.
- Current Assignee: Japan Display Inc.
- Current Assignee Address: JP Tokyo
- Agency: Michael Best & Friedrich LLP
- Priority: JP2017-204588 20171023
- Main IPC: G09G3/36
- IPC: G09G3/36 ; G02F1/1335

Abstract:
According to an aspect, a display device includes first to fourth sub-pixels. The first to fourth sub-pixels are each divided into N (N≥2) sub-divided pixels having different areas and can perform N-bit gradation display. Gradation display for a mixed color combining two types out of the first to fourth sub-pixels includes: the N-bit gradation display including 2N-step gradation; and halftone gradation display. In first and second gradation display, an area ratio between the sub-divided pixels driven and those not driven in one of the two types is equal to that in the other of the two types. In the second gradation display, a total area ratio of the sub-divided pixels driven to those not driven is greater than that in the first gradation display. In the halftone gradation display, an area ratio between the sub-divided pixels driven and those not driven is different between the two types.
Public/Granted literature
- US20190122620A1 DISPLAY DEVICE Public/Granted day:2019-04-25
Information query
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