Invention Grant
US09074929B2 Image display apparatus having a light guide unit refracting incident light from a screen to a sensor
有权
具有将来自屏幕的入射光折射到传感器的导光单元的图像显示装置
- Patent Title: Image display apparatus having a light guide unit refracting incident light from a screen to a sensor
- Patent Title (中): 具有将来自屏幕的入射光折射到传感器的导光单元的图像显示装置
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Application No.: US13718229Application Date: 2012-12-18
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Publication No.: US09074929B2Publication Date: 2015-07-07
- Inventor: Jun Kawata , Atsushi Morita
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Cowan, Liebowitz & Latman, P.C.
- Priority: JP2011-283560 20111226; JP2012-257593 20121126
- Main IPC: H01L27/00
- IPC: H01L27/00 ; G01J1/04 ; G01J1/32 ; G09G3/36 ; G01J3/50 ; G09G3/00
Abstract:
An image display apparatus according to the present invention, comprises: a display panel displaying an image on a screen; and a photometric unit measuring light incident from the screen, wherein the photometric unit includes: a sensor measuring the incident light; and a light guide unit refracting the incident light and guiding the refracted light to the sensor.
Public/Granted literature
- US20130161498A1 IMAGE DISPLAY APPARATUS Public/Granted day:2013-06-27
Information query
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