Invention Grant
US08212490B2 Light source device, image display apparatus, and method of driving light emitting element
有权
光源装置，图像显示装置以及驱动发光元件的方法
- Patent Title: Light source device, image display apparatus, and method of driving light emitting element
- Patent Title (中): 光源装置，图像显示装置以及驱动发光元件的方法
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Application No.: US12538730Application Date: 2009-08-10
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Publication No.: US08212490B2Publication Date: 2012-07-03
- Inventor: Tomio Ikegami
- Applicant: Tomio Ikegami
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Maschoff Gilmore & Israelsen
- Priority: JP2008-246238 20080925
- Main IPC: H01S5/062
- IPC: H01S5/062
Abstract:
A light source device includes: a light emitting element; a pulse drive section adapted to supply the light emitting element with a pulse current in order for controlling an average emission light intensity from the light emitting element; and a light emitting element shunt section disposed in parallel to the light emitting element and adapted to shunt the light emitting element.
Public/Granted literature
- US20100074283A1 LIGHT SOURCE DEVICE, IMAGE DISPLAY APPARATUS, AND METHOD OF DRIVING LIGHT EMITTING ELEMENT Public/Granted day:2010-03-25
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