Invention Grant
- Patent Title: Cathode potential controller, self light emission display device, electronic apparatus, and cathode potential controlling method
- Patent Title (中): 阴极电位控制器，自发光显示装置，电子装置和阴极电位控制方法
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Application No.: US12153554Application Date: 2008-05-21
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Publication No.: US07864172B2Publication Date: 2011-01-04
- Inventor: Hidekazu Miyake , Mitsuru Tada , Tomoaki Handa , Atsushi Ozawa
- Applicant: Hidekazu Miyake , Mitsuru Tada , Tomoaki Handa , Atsushi Ozawa
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Rader, Fishman & Grauer PLLC
- Priority: JP2007-144186 20070530
- Main IPC: G09F5/00
- IPC: G09F5/00 ; G09G3/10
Abstract:
A cathode potential controller for controlling a common cathode potential applied to a self light emission type display panel in which an emission state of each of pixels is driven and controlled in accordance with an active matrix drive system, the cathode potential controller including: a self light emitting element; a constant current source; an electrode-to-electrode voltage measuring portion; a cathode potential determining portion; and a cathode potential applying portion.
Public/Granted literature
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