Title:
GAMMA TUNING METHOD, GAMMA TUNING APPARATUS, AND GAMMA TUNING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/056315
Kind Code:
A1
Abstract:
A gamma tuning method, which is applied in a display screen to be debugged, and comprises: setting a plurality of reference nodes for a color of said display screen, each of the plurality of reference nodes representing the mapping relation between a reference brightness adjustment value and a reference gamma section, and sorting the plurality of reference nodes in ascending order in or descending order of the reference brightness adjustment value; setting at least one transition node between two adjacent reference nodes, each of the at least one transition node representing the mapping relation between a transition brightness adjustment value and a transition gamma section; and obtaining, according to the plurality of reference nodes and the at least one transition node, a brightness adjustment curve representing the correspondence between the brightness adjustment value and the gamma section, wherein each gamma section represents a set of register values corresponding to each gray scale of the color under the brightness adjustment value corresponding to the gamma section.
Inventors:
YU YONG (CN)
ZHANG CHANG (CN)
DING RENJIE (CN)
LAN CHUANYAN (CN)
ZHANG CHANG (CN)
DING RENJIE (CN)
LAN CHUANYAN (CN)
Application Number:
PCT/CN2019/108082
Publication Date:
April 01, 2021
Filing Date:
September 26, 2019
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
CHENGDU BOE OPTOELECT TECH CO (CN)
CHENGDU BOE OPTOELECT TECH CO (CN)
International Classes:
G05B13/02
Foreign References:
| CN109979390A | 2019-07-05 | |||
| CN109637475A | 2019-04-16 | |||
| CN109979389A | 2019-07-05 | |||
| CN109036233A | 2018-12-18 | |||
| EP1227468A2 | 2002-07-31 |
Attorney, Agent or Firm:
BEIJING ZBSD PATENT&TRADEMARK AGENT LTD. (CN)
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