KR100989164B1 - 액정 표시 장치 - Google Patents

액정 표시 장치 Download PDF

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Publication number
KR100989164B1
KR100989164B1 KR1020080080338A KR20080080338A KR100989164B1 KR 100989164 B1 KR100989164 B1 KR 100989164B1 KR 1020080080338 A KR1020080080338 A KR 1020080080338A KR 20080080338 A KR20080080338 A KR 20080080338A KR 100989164 B1 KR100989164 B1 KR 100989164B1
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KR
South Korea
Prior art keywords
touch
liquid crystal
crystal display
distribution
sensor output
Prior art date
Application number
KR1020080080338A
Other languages
English (en)
Korean (ko)
Other versions
KR20090018012A (ko
Inventor
카츠히코 키시다
카츠요시 히라키
Original Assignee
엘지디스플레이 주식회사
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.)
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Application filed by 엘지디스플레이 주식회사 filed Critical 엘지디스플레이 주식회사
Publication of KR20090018012A publication Critical patent/KR20090018012A/ko
Application granted granted Critical
Publication of KR100989164B1 publication Critical patent/KR100989164B1/ko

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration using histogram techniques

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Position Input By Displaying (AREA)
KR1020080080338A 2007-08-16 2008-08-18 액정 표시 장치 KR100989164B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2007-00212414 2007-08-16
JP2007212414A JP2009048335A (ja) 2007-08-16 2007-08-16 液晶表示装置

Publications (2)

Publication Number Publication Date
KR20090018012A KR20090018012A (ko) 2009-02-19
KR100989164B1 true KR100989164B1 (ko) 2010-10-20

Family

ID=40500503

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020080080338A KR100989164B1 (ko) 2007-08-16 2008-08-18 액정 표시 장치

Country Status (2)

Country Link
JP (1) JP2009048335A (ja)
KR (1) KR100989164B1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101097309B1 (ko) * 2009-05-06 2011-12-23 삼성모바일디스플레이주식회사 터치 동작 인식 방법 및 장치
TWI425400B (zh) * 2009-05-26 2014-02-01 Japan Display West Inc 資訊輸入裝置、資訊輸入方法、資訊輸入輸出裝置、儲存媒體及電子單元
JP5246794B2 (ja) * 2009-05-26 2013-07-24 株式会社ジャパンディスプレイウェスト 情報入力装置、情報入力方法、情報入出力装置、情報入力プログラムおよび電子機器
JP5457987B2 (ja) * 2010-09-27 2014-04-02 株式会社ジャパンディスプレイ タッチ検出装置、タッチ検出機能付き表示装置、タッチ位置検出方法および電子機器
KR102047976B1 (ko) * 2013-02-21 2019-11-22 주식회사 실리콘웍스 차동 터치 센싱 시스템의 제어 회로 및 방법
KR102281095B1 (ko) 2014-07-07 2021-07-23 엘지디스플레이 주식회사 표시장치
US10254881B2 (en) * 2015-06-29 2019-04-09 Qualcomm Incorporated Ultrasonic touch sensor-based virtual button
KR102142297B1 (ko) * 2019-11-18 2020-08-07 주식회사 실리콘웍스 차동 터치 센싱 시스템의 제어 회로 및 방법
CN116682383B (zh) * 2023-05-30 2024-05-03 惠科股份有限公司 显示面板及其背光补偿方法和显示装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040102213A (ko) * 2002-05-06 2004-12-03 쓰리엠 이노베이티브 프로퍼티즈 컴파니 결정된 터치 입력의 위치 정확도를 향상시키기 위한 방법
KR20060079531A (ko) * 2004-12-31 2006-07-06 삼성전자주식회사 터치 위치 검출 장치 및 이의 터치 위치 검출 방법과,이를 구비한 터치 스크린 표시 장치
KR20060089166A (ko) * 2005-02-03 2006-08-08 도시바 마쯔시따 디스플레이 테크놀로지 컴퍼니, 리미티드 광에 의해 화면에서 정보를 입력하는 기능을 구비한 표시장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040102213A (ko) * 2002-05-06 2004-12-03 쓰리엠 이노베이티브 프로퍼티즈 컴파니 결정된 터치 입력의 위치 정확도를 향상시키기 위한 방법
KR20060079531A (ko) * 2004-12-31 2006-07-06 삼성전자주식회사 터치 위치 검출 장치 및 이의 터치 위치 검출 방법과,이를 구비한 터치 스크린 표시 장치
KR20060089166A (ko) * 2005-02-03 2006-08-08 도시바 마쯔시따 디스플레이 테크놀로지 컴퍼니, 리미티드 광에 의해 화면에서 정보를 입력하는 기능을 구비한 표시장치

Also Published As

Publication number Publication date
KR20090018012A (ko) 2009-02-19
JP2009048335A (ja) 2009-03-05

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