JP6863707B2 - 表示ドライバ、表示装置及び表示パネル - Google Patents
表示ドライバ、表示装置及び表示パネル Download PDFInfo
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- JP6863707B2 JP6863707B2 JP2016202870A JP2016202870A JP6863707B2 JP 6863707 B2 JP6863707 B2 JP 6863707B2 JP 2016202870 A JP2016202870 A JP 2016202870A JP 2016202870 A JP2016202870 A JP 2016202870A JP 6863707 B2 JP6863707 B2 JP 6863707B2
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- 238000001514 detection method Methods 0.000 claims description 187
- 238000000034 method Methods 0.000 claims description 34
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- 239000004065 semiconductor Substances 0.000 claims description 8
- 239000000758 substrate Substances 0.000 description 16
- 239000004973 liquid crystal related substance Substances 0.000 description 10
- 239000011159 matrix material Substances 0.000 description 8
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- 238000013459 approach Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 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
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- 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
- G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
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- G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
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- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
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- 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
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- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
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- 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
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- G—PHYSICS
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- 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
- G09G3/3655—Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors
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- 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
- G09G3/3674—Details of drivers for scan electrodes
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- 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
- G09G3/3696—Generation of voltages supplied to electrode drivers
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- Human Computer Interaction (AREA)
- Computer Hardware Design (AREA)
- Computer Networks & Wireless Communication (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
Description
駆動動作が行われる場合、表示装置1の表示ドライバ3は、下記のように動作する。表示ドライバ3のコントローラ37は、スイッチ制御信号touch_selをネゲートする。スイッチ制御信号touch_selのネゲートに応答して、VCOMスイッチ回路21の各スイッチ27がターンオンされ、スイッチ回路15の各スイッチ18がターンオフされる。これにより、各共通電極51がVCOMアンプ39に接続される。VCOMアンプ39は、各共通電極51に共通電圧VCOMを供給する。更に、セレクタ35は、コントローラ37による制御の下、ソース出力端子31をソースドライバ回路33の出力に接続する。
2 :表示パネル
3 :表示ドライバ
11 :表示回路
12 :ゲートドライバ回路
13 :ソース入力端子
14 :タッチ検出電極群
15 :スイッチ回路
16 :共通電極
17、17r、17g、17b:ソース線
18 :スイッチ
19 :スイッチ回路
20 :VCOM入力端子
21 :VCOMスイッチ回路
22 :VCOMスイッチ回路
23 :スイッチ制御端子
24、25:インバータ
26、27、28:スイッチ
29 :ソース線選択回路
30r、30g、30b:スイッチ
31 :ソース出力端子
32 :パネルインタフェース回路
33 :ソースドライバ回路
33a :接続配線
34 :タッチ検出回路
34a :接続配線
35 :セレクタ
36 :静電容量検出回路
37 :コントローラ
38 :送信側ドライバ
39 :VCOMアンプ
41 :TFT基板
42 :対向基板
43 :液晶
44 :ガラス基板
45 :半導体回路
46 :Y検出電極
51 :共通電極
52 :コンタクト
53、54:スイッチ
55、56:VCOMライン
57 :接続ノード
58 :接続ライン
61、61A:外部タッチコントローラ
62 :静電容量検出回路
62a :接続配線
63 :送信側ドライバ
63a :接続配線
64 :コントローラ
64a :制御バス
Claims (11)
- 複数のソース線と複数のソース入力端子とを備え、複数のソース線のそれぞれが前記複数のソース入力端子のうちのいずれかに接続されるように構成された表示パネルを駆動する表示ドライバであって、
前記表示パネルの前記ソース入力端子に接続されるソース出力端子と、
前記ソース入力端子に供給するソース信号を生成するように構成されたソースドライバ回路と、
静電容量検出回路に接続される接続配線と、
セレクタ
とを具備し、
前記静電容量検出回路は、前記接続配線と前記セレクタとを介して前記静電容量検出回路に接続された導電体の静電容量を示し、前記表示パネルに物体が接触するタッチイベントの検出に用いられる静電容量データを生成するように構成され、
前記セレクタは、前記ソースドライバ回路と前記接続配線とを含む複数の接続先のうちのいずれかに前記ソース出力端子を選択的に接続するように構成され、
前記ソースドライバ回路と前記接続配線と前記セレクタとが、同一の半導体チップに集積化された
表示ドライバ。 - 前記セレクタは、前記表示パネルの前記ソース入力端子に前記ソース信号を供給する駆動動作が行われるときに前記ソース出力端子を前記ソースドライバ回路に接続し、前記タッチイベントの検出が行われるときに前記ソース出力端子を前記接続配線に接続するように構成された
請求項1に記載の表示ドライバ。 - 前記表示パネルは、第1検出電極と第2検出電極とを含み、
前記静電容量検出回路は、前記第2検出電極に接続され、
当該表示ドライバは、更に、送信側ドライバを備え、
相互容量方式によって前記表示パネルに物体が接触するタッチイベントの検出を行う場合、前記送信側ドライバは、前記第1検出電極に供給すべき駆動電圧を生成し、前記セレクタは、前記ソース出力端子を前記送信側ドライバに接続し、前記静電容量検出回路は、前記第1検出電極と前記第2検出電極の間の静電容量を検出して前記静電容量データを生成する
請求項1に記載の表示ドライバ。 - 複数のソース線と、複数のソース入力端子とを備える表示パネルと、
前記複数のソース線に供給するソース信号を前記複数のソース入力端子に供給するソースドライバ回路と、
静電容量検出回路と、
前記静電容量検出回路に接続された接続配線と、
前記表示パネルに物体が接触するタッチイベントの検出を行うように構成されたコントローラと、
前記複数のソース入力端子を、前記ソースドライバ回路と前記接続配線とを含む複数の接続先に選択的に接続するように構成されたセレクタ
とを備え、
前記静電容量検出回路は、前記接続配線と前記セレクタとを介して前記静電容量検出回路に接続された導電体の静電容量を示し、前記コントローラにより前記タッチイベントの検出に用いられる静電容量データを生成するように構成され、
前記ソースドライバ回路と前記接続配線と前記セレクタとが、同一の半導体チップに集積化された
表示装置。 - 前記表示パネルが、更に、
複数の共通電極と、
前記複数の共通電極の各共通電極と、前記複数のソース入力端子のうちの前記各共通電極に対応する少なくとも一の対応ソース入力端子との間に接続された第1スイッチ
とを備え、
前記ソース信号を前記ソース線に供給する駆動動作が行われる場合、前記セレクタが前記複数のソース入力端子を前記ソースドライバ回路に接続し、前記第1スイッチが前記各共通電極と前記複数のソース入力端子とを電気的に切り離し、
前記タッチイベントの検出が行われる場合、前記セレクタが前記複数のソース入力端子を前記静電容量検出回路の入力に接続し、前記第1スイッチが前記各共通電極と前記対応ソース入力端子とを電気的に接続する
請求項4に記載の表示装置。 - 更に、共通電圧を生成する共通電圧生成回路を具備し、
前記表示パネルが、更に、
前記共通電圧を前記共通電圧生成回路から受け取る共通電圧入力端子と、
前記共通電圧入力端子と前記複数の共通電極との間にそれぞれに接続された第3スイッチ
とを備え、
前記駆動動作が行われる場合、前記第3スイッチが、前記複数の共通電極と前記共通電圧入力端子とを電気的に接続し、
前記タッチイベントの検出が行われる場合、前記第3スイッチが、前記複数の共通電極と前記共通電圧入力端子とを電気的に切り離す
請求項5に記載の表示装置。 - 前記複数の共通電極が、複数の行及び複数の列に並んで配置されている
請求項5に記載の表示装置。 - 前記表示パネルが、更に、前記ソース線が延伸する方向に延伸する複数の接続ラインを備え、
前記各共通電極は、前記複数の接続ラインのそれぞれが、前記複数の共通電極のうちの単一の共通電極に接続されるように、前記複数の接続ラインのうちの少なくとも一に接続され、
前記各共通電極と前記対応ソース入力端子の間に接続された前記第1スイッチが、前記複数の接続ラインのうち前記各共通電極が接続された接続ラインと前記対応ソース入力端子の間に接続されている
請求項7に記載の表示装置。 - 更に、共通電圧を生成する共通電圧生成回路を具備し、
前記表示パネルが、更に、
前記共通電圧を前記共通電圧生成回路から受け取る共通電圧入力端子と、
前記共通電圧入力端子と前記複数の接続ラインとの間にそれぞれに接続された第3スイッチ
とを備え、
前記駆動動作が行われる場合、前記第3スイッチが、前記複数の共通電極と前記共通電圧入力端子とを電気的に接続し、
前記タッチイベントの検出が行われる場合、前記第3スイッチが、前記複数の共通電極と前記共通電圧入力端子とを電気的に切り離す
請求項8に記載の表示装置。 - 複数のソース線と、
表示ドライバから前記複数のソース線に供給されるソース信号を受け取る複数のソース入力端子と、
複数の共通電極が複数の行及び複数の列に並んで配置されたアレイと、
前記アレイの中に設けられ、それぞれが、前記複数の共通電極の各共通電極と、前記複数のソース線のうちの前記各共通電極に交差する少なくとも一の対応ソース線との間に接続された複数の第1スイッチとを具備する
表示パネル。 - 更に、
共通電圧を表示ドライバから受け取る共通電圧入力端子と、
前記共通電圧入力端子と前記複数の共通電極との間にそれぞれに接続された第3スイッチ
とを備える
請求項10に記載の表示パネル。
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US15/782,508 US20180107317A1 (en) | 2016-10-14 | 2017-10-12 | Device and method for driving a display panel |
CN201710951554.3A CN107957809A (zh) | 2016-10-14 | 2017-10-13 | 用于驱动显示面板的设备和方法 |
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JP2019079025A (ja) * | 2017-10-19 | 2019-05-23 | シナプティクス インコーポレイテッド | 表示装置、表示パネルにおける電圧制御方法及び表示ドライバ |
JP6995683B2 (ja) | 2018-04-20 | 2022-01-17 | 株式会社ジャパンディスプレイ | 表示装置 |
WO2020049649A1 (ja) * | 2018-09-05 | 2020-03-12 | 堺ディスプレイプロダクト株式会社 | タッチパネル装置及びタッチパネル装置における接触位置の検出方法 |
US10963116B2 (en) | 2019-01-17 | 2021-03-30 | Sharp Kabushiki Kaisha | Display device |
US10861411B2 (en) | 2019-01-17 | 2020-12-08 | Sharp Kabushiki Kaisha | Display device |
US20230111433A1 (en) * | 2019-02-08 | 2023-04-13 | Tactual Labs Co. | Non-uniform electrode spacing with a bend sensor |
TWI729541B (zh) * | 2019-10-25 | 2021-06-01 | 新唐科技股份有限公司 | 控制電路及操作系統 |
US11429216B2 (en) | 2019-10-25 | 2022-08-30 | Nuvoton Technology Corporation | Control circuit and display apparatus utilizing the same |
TWI818253B (zh) * | 2019-10-25 | 2023-10-11 | 新唐科技股份有限公司 | 操作系統 |
US11429222B2 (en) | 2019-10-25 | 2022-08-30 | Nuvoton Technology Corporation | Control circuit and display apparatus utilizing the same |
CN115079853A (zh) * | 2021-03-12 | 2022-09-20 | 新唐科技股份有限公司 | 控制电路及显示设备 |
CN115079871A (zh) * | 2021-03-12 | 2022-09-20 | 新唐科技股份有限公司 | 控制电路及显示设备 |
CN114217482B (zh) * | 2021-12-11 | 2024-08-06 | 重庆惠科金渝光电科技有限公司 | 显示装置 |
JP2023158990A (ja) | 2022-04-19 | 2023-10-31 | シャープディスプレイテクノロジー株式会社 | タッチパネル用ディスプレイドライバおよび表示モジュール |
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JP6375223B2 (ja) * | 2014-01-31 | 2018-08-15 | 株式会社ジャパンディスプレイ | センサ付表示装置及びその駆動方法 |
JP2015191118A (ja) * | 2014-03-28 | 2015-11-02 | シナプティクス・ディスプレイ・デバイス合同会社 | 電子機器及び表示ドライバ |
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JP6358935B2 (ja) * | 2014-11-25 | 2018-07-18 | 株式会社ジャパンディスプレイ | 表示装置およびタッチ検出方法 |
CN104699315B (zh) * | 2015-04-01 | 2018-03-13 | 上海天马微电子有限公司 | 一种触控面板、触控显示面板和显示装置 |
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JP6665051B2 (ja) * | 2016-07-25 | 2020-03-13 | 株式会社ジャパンディスプレイ | 表示装置及びその駆動方法 |
CN106066738B (zh) * | 2016-07-29 | 2019-01-22 | 厦门天马微电子有限公司 | 阵列基板及其驱动方法、显示面板和显示装置 |
KR102636679B1 (ko) * | 2016-08-31 | 2024-02-14 | 엘지디스플레이 주식회사 | 터치 디스플레이 장치 및 그 구동 방법 |
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