Invention Grant
US09033512B2 Projection display having LED arrays controlled to turn on/off a same shaped group of LEDs
有权
具有LED阵列的投影显示器被控制以打开/关闭相同成形的LED组
- Patent Title: Projection display having LED arrays controlled to turn on/off a same shaped group of LEDs
- Patent Title (中): 具有LED阵列的投影显示器被控制以打开/关闭相同成形的LED组
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Application No.: US13741862Application Date: 2013-01-15
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Publication No.: US09033512B2Publication Date: 2015-05-19
- Inventor: Hirokazu Taguchi , Kimito Nishikawa
- Applicant: Hirokazu Taguchi , Kimito Nishikawa
- Applicant Address: JP Tokyo
- Assignee: Mitsubishi Electric Corporation
- Current Assignee: Mitsubishi Electric Corporation
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2012-111732 20120515
- Main IPC: G03B21/20
- IPC: G03B21/20 ; H04N9/31
Abstract:
A projection type display includes an illumination optical system provided with a light source including, for respective predetermined colors, LED arrays each formed of six LEDs, a light source controller that controls the LED arrays to turn on, an integration device, and a DMD, wherein the light source controller controls the LED arrays to turn on such that the shapes of light source images, which are formed on an entrance surface of the integration device by five LEDs of the respective LED arrays, coincide with each other.
Public/Granted literature
- US20130308065A1 PROJECTION TYPE DISPLAY Public/Granted day:2013-11-21
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