Invention Grant
- Patent Title: Light-emitting device and image forming apparatus
- Patent Title (中): 发光装置和图像形成装置
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Application No.: US12222704Application Date: 2008-08-14
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Publication No.: US07663655B2Publication Date: 2010-02-16
- Inventor: Takayuki Kitazawa
- Applicant: Takayuki Kitazawa
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oliff & Berridge, PLC
- Priority: JP2004-218272 20040727; JP2005-050324 20050225
- Main IPC: B41J2/435
- IPC: B41J2/435

Abstract:
A light-emitting device has a plurality of pixel circuits arranged in one direction, each of the plurality of pixel circuits having a light-emitting element that emits light according to the amount of driving current, a driving transistor that supplies the driving current to the light-emitting element, a holding transistor that supplies a data signal supplied via a data line to the driving transistor, and a connecting line that connects the driving transistor to the holding transistor. The holding transistor, the light-emitting element, and the driving transistor are arranged in a direction crossing the arrangement direction of the plurality of pixel circuits. The light-emitting element is provided between the holding transistor and the driving transistor.
Public/Granted literature
- US20090002473A1 Light-emitting device and image forming apparatus Public/Granted day:2009-01-01
Information query
IPC分类: