Invention Application
- Patent Title: Automated adaptation of the supply voltage of a light-emitting display according to the desired luminance
- Patent Title (中): 根据所需的亮度自动适应发光显示器的电源电压
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Application No.: US10917846Application Date: 2004-08-13
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Publication No.: US20050035933A1Publication Date: 2005-02-17
- Inventor: Celine Mas , Eric Benoit , Olivier Scouarnec , Olivier Le Briz , Danika Chaussy , Philippe Maige
- Applicant: Celine Mas , Eric Benoit , Olivier Scouarnec , Olivier Le Briz , Danika Chaussy , Philippe Maige
- Applicant Address: FR Montrouge
- Assignee: STMicroelectronics S.A.
- Current Assignee: STMicroelectronics S.A.
- Current Assignee Address: FR Montrouge
- Priority: FR02/09227 20020719
- Main IPC: G09G3/32
- IPC: G09G3/32 ; H03K3/00
Abstract:
A method for regulating the biasing voltage of column control circuits of an array screen formed of LEDs distributed in lines and columns, the column control circuits being adapted to turning on at least one LED of a line. The method consists of increasing the biasing voltage when the current flowing through at least one activated LED is smaller than a determined luminance current and of decreasing the biasing voltage when the current flowing through each activated LED is equal to the determined luminance current.
Public/Granted literature
- US07755580B2 Automated adaptation of the supply voltage of a light-emitting display according to the desired luminance Public/Granted day:2010-07-13
Information query
IPC分类:
