JPH03153211A - Liquid crystal display device - Google Patents

Liquid crystal display device

Info

Publication number
JPH03153211A
JPH03153211A JP29125589A JP29125589A JPH03153211A JP H03153211 A JPH03153211 A JP H03153211A JP 29125589 A JP29125589 A JP 29125589A JP 29125589 A JP29125589 A JP 29125589A JP H03153211 A JPH03153211 A JP H03153211A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
liquid crystal
green
red
blue
color
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP29125589A
Inventor
Haruo Wakai
Original Assignee
Casio Comput Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Abstract

PURPOSE: To display a full-color image with good color balance at all times by providing color sensors for red, green, and blue outside the display area of a liquid crystal display panel and providing a voltage control part which adjusts the voltages of display driving signals for red, green, and blue to a display driving circuit which drives the liquid crystal display panel.
CONSTITUTION: The color sensors 17a - 17c for red, green, and blue are provided outside the display area 1a of the liquid crystal display panel 1 and the display driving circuit 30 which drives the liquid crystal display panel 1 is provided with the voltage control part 33 which adjusts the voltages of the display driving signals for red, green, and blue. Then the color sensors 17a - 17c detect how much color components of red, green, and blue of light from a light source lamp are intense to adjust the voltages of the display driving signals for red, green, and blue which are applied to the liquid crystal display lamp 1 from the display driving circuit 30 according to the light intensity values of the respec tive color components detected by the color sensors 17a - 17c, i. e. the spectral distribution characteristics of the light from the light source lamp. Consequently, even if the spectral characteristics of the light source lamp vary, the full-color image with good color balance is obtained at all times.
COPYRIGHT: (C)1991,JPO&Japio
JP29125589A 1989-11-10 1989-11-10 Liquid crystal display device Pending JPH03153211A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29125589A JPH03153211A (en) 1989-11-10 1989-11-10 Liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29125589A JPH03153211A (en) 1989-11-10 1989-11-10 Liquid crystal display device

Publications (1)

Publication Number Publication Date
JPH03153211A true true JPH03153211A (en) 1991-07-01

Family

ID=17766495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29125589A Pending JPH03153211A (en) 1989-11-10 1989-11-10 Liquid crystal display device

Country Status (1)

Country Link
JP (1) JPH03153211A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004361618A (en) * 2003-06-04 2004-12-24 Hitachi Displays Ltd Liquid crystal display device
JP2006251806A (en) * 2005-03-08 2006-09-21 Samsung Electronics Co Ltd Display panel and liquid crystal display device having same
JP2006267785A (en) * 2005-03-25 2006-10-05 Sanyo Epson Imaging Devices Corp Electrooptical device and electronic equipment
JP2007011163A (en) * 2005-07-04 2007-01-18 Sony Corp Liquid crystal display device, liquid crystal display system, and liquid crystal projector
US7242384B2 (en) 2000-01-14 2007-07-10 Sharp Kabushiki Kaisha Image processing device, and image display device provided with such an image processing device
US7652654B2 (en) 2003-12-08 2010-01-26 Sony Corporation Liquid crystal display and backlight adjusting method
JPWO2008068920A1 (en) * 2006-12-06 2010-03-18 シャープ株式会社 Gradation voltage correction system and a display device using the same
US7817232B2 (en) 1997-09-02 2010-10-19 Semiconductor Energy Laboratory Co., Ltd. Liquid crystal display apparatus containing image sensor and process for producing the same
JP2010266859A (en) * 2010-04-14 2010-11-25 Hitachi Displays Ltd Liquid crystal display
US8411117B2 (en) 2007-12-20 2013-04-02 Sharp Kabushiki Kaisha Display device having optical sensors

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7817232B2 (en) 1997-09-02 2010-10-19 Semiconductor Energy Laboratory Co., Ltd. Liquid crystal display apparatus containing image sensor and process for producing the same
US8031307B2 (en) 1997-09-02 2011-10-04 Semiconductor Energy Laboratory Co., Ltd. Liquid crystal display apparatus containing image sensor and process for producing the same
US7242384B2 (en) 2000-01-14 2007-07-10 Sharp Kabushiki Kaisha Image processing device, and image display device provided with such an image processing device
JP2004361618A (en) * 2003-06-04 2004-12-24 Hitachi Displays Ltd Liquid crystal display device
US7855709B2 (en) 2003-06-04 2010-12-21 Hitachi Displays, Ltd. Liquid crystal display device
US8305338B2 (en) 2003-12-08 2012-11-06 Sony Corporation Liquid crystal display apparatus and backlight adjustment method
US7652654B2 (en) 2003-12-08 2010-01-26 Sony Corporation Liquid crystal display and backlight adjusting method
JP2006251806A (en) * 2005-03-08 2006-09-21 Samsung Electronics Co Ltd Display panel and liquid crystal display device having same
JP4552719B2 (en) * 2005-03-25 2010-09-29 エプソンイメージングデバイス株式会社 Electro-optical device and electronic equipment
JP2006267785A (en) * 2005-03-25 2006-10-05 Sanyo Epson Imaging Devices Corp Electrooptical device and electronic equipment
JP2007011163A (en) * 2005-07-04 2007-01-18 Sony Corp Liquid crystal display device, liquid crystal display system, and liquid crystal projector
JPWO2008068920A1 (en) * 2006-12-06 2010-03-18 シャープ株式会社 Gradation voltage correction system and a display device using the same
US8411117B2 (en) 2007-12-20 2013-04-02 Sharp Kabushiki Kaisha Display device having optical sensors
JP2010266859A (en) * 2010-04-14 2010-11-25 Hitachi Displays Ltd Liquid crystal display

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