JP2021009585A - タッチパネル制御装置、タッチパネル制御方法、及び入力表示装置 - Google Patents
タッチパネル制御装置、タッチパネル制御方法、及び入力表示装置 Download PDFInfo
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- 230000000630 rising effect Effects 0.000 claims description 15
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 83
- 101100392125 Caenorhabditis elegans gck-1 gene Proteins 0.000 abstract description 19
- 238000001514 detection method Methods 0.000 abstract description 15
- 230000006870 function Effects 0.000 description 10
- 239000011159 matrix material Substances 0.000 description 7
- 239000010409 thin film Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000003111 delayed effect Effects 0.000 description 3
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- 238000005259 measurement Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000005401 electroluminescence Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- 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
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
- G06F3/04184—Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally
-
- 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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G3/2096—Details of the interface to the display terminal specific for a flat panel
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0223—Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2354/00—Aspects of interface with display user
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/08—Details of image data interface between the display device controller and the data line driver circuit
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/10—Use of a protocol of communication by packets in interfaces along the display data pipeline
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Position Input By Displaying (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
N(i)=(ΣΣ|d(x,y)|)/(X×Y)
30 :液晶モジュール
32 :液晶パネル
32a :ゲート駆動部
32b :ソース駆動部
34 :液晶タイミングコントローラ
36 :タッチパネル
50 :メインインターフェース基板
52 :スケーラ
54 :CPLD
56 :MCU
58 :メモリ
60 :遅延回路
61 :切替回路
70 :タッチパネルコントロール基板
72 :DBE
74 :AFE
76 :MCU
78 :メモリ
Px :駆動電極
Py :受信電極
Claims (11)
- 表示パネルに重なるように設けられ、ユーザによるタッチ位置に応じた位置信号を出力する受信電極と前記受信電極に対向配置される駆動電極とを備えるタッチパネルを制御するタッチパネル制御装置であって、
前記表示パネルに設けられるゲートラインの駆動タイミングを制御する第1ゲートクロック信号に対応する遅延量を設定する遅延設定部と、
前記遅延設定部により設定された前記遅延量に基づいて、前記タッチ位置を検出するための駆動パルスを前記駆動電極に出力するタッチパネル駆動部と、
を備え、
前記タッチパネル駆動部は、前記駆動パルスを前記駆動電極に出力する前に、所定の電圧レベルの信号を前記駆動電極及び前記受信電極に出力する、
タッチパネル制御装置。 - 前記第1ゲートクロック信号に前記遅延設定部により設定された前記遅延量を付与して第2ゲートクロック信号を生成する信号生成部をさらに備え、
前記タッチパネル駆動部は、前記信号生成部により生成された前記第2ゲートクロック信号に基づいて前記駆動パルスを前記駆動電極に出力し、
前記タッチパネル駆動部は、さらに、前記第2ゲートクロック信号の立ち上がりタイミングから前記駆動パルスの立ち上がりタイミングまでの期間、継続して前記所定の電圧レベルの信号を前記駆動電極及び前記受信電極に出力する、
請求項1に記載のタッチパネル制御装置。 - 前記遅延設定部は、前記第1ゲートクロック信号の立ち上がりタイミングから前記ゲートラインが駆動することにより前記位置信号に現れるノイズが発生するタイミングの直前までの期間を前記遅延量に設定する、
請求項2に記載のタッチパネル制御装置。 - 前記タッチパネル駆動部は、前記第2ゲートクロック信号の立ち上がりタイミングから前記ノイズの発生期間が終了するタイミングまでの期間において、前記駆動パルスを前記駆動電極に出力せず、前記所定の電圧レベルの信号を前記駆動電極及び前記受信電極に出力する、
請求項3に記載のタッチパネル制御装置。 - 前記遅延設定部は、前記タッチパネルごとに個別に前記遅延量を設定する、
請求項1から請求項4のいずれか1項に記載のタッチパネル制御装置。 - 前記タッチパネル駆動部は、前記表示パネルの電源がONされて前記表示パネルの初期化処理が実行されている期間、継続して前記所定の電圧レベルの信号を前記駆動電極及び前記受信電極に出力する、
請求項1から請求項5のいずれか1項に記載のタッチパネル制御装置。 - 前記所定の電圧レベルの信号は、GNDレベルの信号である、
請求項1から請求項6のいずれか1項に記載のタッチパネル制御装置。 - 前記タッチパネルは、静電容量方式のタッチパネルである、
請求項1から請求項7のいずれか1項に記載のタッチパネル制御装置。 - 前記タッチパネルは、ダイレクトボンディングにより前記表示パネルに設けられる、
請求項1から請求項8のいずれか1項に記載のタッチパネル制御装置。 - 表示パネルに重なるように設けられ、ユーザによるタッチ位置に応じた位置信号を出力する受信電極と前記受信電極に対向配置される駆動電極とを備えるタッチパネルを制御するタッチパネル制御方法であって、
前記表示パネルに設けられるゲートラインの駆動タイミングを制御する第1ゲートクロック信号に対応する遅延量を設定する遅延設定ステップと、
前記遅延設定ステップにおいて設定された前記遅延量に基づいて、前記タッチ位置を検出するための駆動パルスを前記駆動電極に出力するタッチパネル駆動ステップと、
を一又は複数のプロセッサにより実行し、
前記タッチパネル駆動ステップでは、前記駆動パルスを前記駆動電極に出力する前に、所定の電圧レベルの信号を前記駆動電極及び前記受信電極に出力する、
タッチパネル制御方法。 - 表示パネルに画像を表示する表示装置と、
前記表示装置に重なるように設けられてユーザによるタッチ位置に応じた位置信号を出力するタッチパネルと、
請求項1から請求項9のいずれか1項に記載のタッチパネル制御装置と、
を備える入力表示装置。
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US16/911,310 US11093070B2 (en) | 2019-07-02 | 2020-06-24 | Touch panel control device, touch panel control method, and input display device |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120256861A1 (en) * | 2011-04-07 | 2012-10-11 | Park Dongjo | Display device having touch sensor and method for driving the same |
JP2012203901A (ja) * | 2011-03-25 | 2012-10-22 | Lg Display Co Ltd | タッチセンサ内蔵型表示装置とその駆動方法 |
CN103376961A (zh) * | 2012-04-27 | 2013-10-30 | 联咏科技股份有限公司 | 触控装置以及其触控检测方法 |
JP2014052997A (ja) * | 2011-11-11 | 2014-03-20 | Panasonic Corp | タッチパネル装置 |
JP2019101593A (ja) * | 2017-11-30 | 2019-06-24 | シャープ株式会社 | タッチパネル制御装置、タッチパネル制御方法および入力表示装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09128146A (ja) | 1995-10-31 | 1997-05-16 | Casio Comput Co Ltd | タッチパネル制御装置 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012203901A (ja) * | 2011-03-25 | 2012-10-22 | Lg Display Co Ltd | タッチセンサ内蔵型表示装置とその駆動方法 |
US20120256861A1 (en) * | 2011-04-07 | 2012-10-11 | Park Dongjo | Display device having touch sensor and method for driving the same |
JP2014052997A (ja) * | 2011-11-11 | 2014-03-20 | Panasonic Corp | タッチパネル装置 |
CN103376961A (zh) * | 2012-04-27 | 2013-10-30 | 联咏科技股份有限公司 | 触控装置以及其触控检测方法 |
JP2019101593A (ja) * | 2017-11-30 | 2019-06-24 | シャープ株式会社 | タッチパネル制御装置、タッチパネル制御方法および入力表示装置 |
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