TWI497375B - Touch display apparatus - Google Patents
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- TWI497375B TWI497375B TW102141305A TW102141305A TWI497375B TW I497375 B TWI497375 B TW I497375B TW 102141305 A TW102141305 A TW 102141305A TW 102141305 A TW102141305 A TW 102141305A TW I497375 B TWI497375 B TW I497375B
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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
- G06F3/0412—Digitisers structurally integrated in a display
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Description
本發明是有關於一種電子裝置，且特別是有關於一種觸控顯示裝置。The present invention relates to an electronic device, and more particularly to a touch display device.
就一般的平面顯示裝置而言，其影像是由二維的畫素陣列所組成。在驅動機制上可分為水平的掃描線與垂直的資料線，來驅動每一個畫素的顏色與灰階度。傳統的觸控面板例如是電阻式或是電容式，藉由兩個方向的量測，以決定是否有觸控點發生，且決定觸控點的位置。隨著製造技術的進步，觸控面板目前已被成功地整合至顯示面板中，達到更有效與方便的控制。In the case of a general flat display device, the image is composed of a two-dimensional pixel array. In the driving mechanism, it can be divided into horizontal scanning lines and vertical data lines to drive the color and gray scale of each pixel. The conventional touch panel is, for example, resistive or capacitive, and is measured in two directions to determine whether a touch point occurs and determine the position of the touch point. With advances in manufacturing technology, touch panels have now been successfully integrated into display panels for more efficient and convenient control.
雖然觸控面板已被成功地整合至顯示面板中，然觸控面板與顯示面板的整合技術仍有進步的空間。在習知技術中，用於驅動觸控顯示裝置進行顯示畫面的資料線訊號與掃描線訊號以及用於驅動觸控顯示裝置進行觸控感測的觸控掃描訊號與觸控感測訊號為分別透過不同的傳輸線(亦即資料線、掃描線、觸控掃描線以及觸控感測線等等)進行訊號傳輸。此外，由於觸控感測線與其他訊號傳輸線(例如資料線、掃描線以及觸控掃描線)為配置於不同 層中，因此需要在觸控晶片與觸控顯示面板間分別配置兩片不同的可撓式印刷電路板，以分別傳送接收觸控顯示面板中觸控掃描線上的觸控掃描訊號與觸控感測線上的觸控感測訊號，而可撓式印刷電路板的組裝將可能使產品良率降低。Although the touch panel has been successfully integrated into the display panel, there is still room for improvement in the integration technology of the touch panel and the display panel. In the prior art, the data line signal and the scan line signal for driving the touch display device to display the screen and the touch scan signal and the touch sensing signal for driving the touch display device for touch sensing are respectively Signal transmission through different transmission lines (ie, data lines, scan lines, touch scan lines, touch sensing lines, etc.). In addition, since the touch sensing lines and other signal transmission lines (such as data lines, scanning lines, and touch scanning lines) are configured differently In the layer, two different flexible printed circuit boards are respectively disposed between the touch panel and the touch display panel to respectively transmit and receive touch scan signals and touch feelings on the touch scan lines in the touch display panel. The touch sensing signal on the line, and the assembly of the flexible printed circuit board may reduce the yield of the product.
本發明提供一種觸控顯示裝置，可降低觸控顯示裝置的製作成本並同時提高產品良率。The invention provides a touch display device, which can reduce the manufacturing cost of the touch display device and simultaneously improve the product yield.
本發明的觸控顯示裝置，包括第一基板、多條資料線、多條掃描線、多條觸控感測線以及第二基板。其中資料線、掃描線以及觸控感測線配置於第一基板上，在顯示驅動期間，資料線傳輸顯示資料訊號至與其對應的多個畫素單元，掃描線傳輸掃描線訊號至與其對應的畫素單元，在觸控期間，至少部份的資料線傳輸觸控掃描訊號至與其對應的多個觸控單元，觸控感測線自與其對應的觸控單元接收觸控感測訊號。第二基板配置於第一基板上方。The touch display device of the present invention includes a first substrate, a plurality of data lines, a plurality of scan lines, a plurality of touch sensing lines, and a second substrate. The data line, the scan line and the touch sensing line are disposed on the first substrate. During the display driving, the data line transmits the data signal to the corresponding pixel unit, and the scan line transmits the scan line signal to the corresponding picture. During the touch period, at least some of the data lines transmit the touch scan signals to the corresponding plurality of touch units, and the touch sensing lines receive the touch sensing signals from the corresponding touch units. The second substrate is disposed above the first substrate.
在本發明的一實施例中，上述的觸控顯示裝置更包括顯示驅動晶片，其配置於第一基板上，透過資料線與掃描線耦接畫素單元，用以輸出顯示資料訊號、掃描線訊號以及觸控掃描訊號。In an embodiment of the present invention, the touch display device further includes a display driving chip disposed on the first substrate and coupled to the pixel unit through the data line and the scan line for outputting the display data signal and the scan line. Signal and touch scan signal.
在本發明的一實施例中，上述的觸控顯示裝置更包括觸控晶片，其透過可撓式印刷電路板耦接觸控感測線，自觸控感測線接收觸控感測訊號。In an embodiment of the invention, the touch display device further includes a touch control chip, and the touch sensing signal is coupled to the touch sensing signal through the flexible printed circuit board.
在本發明的一實施例中，上述的觸控顯示裝置更包括主機板控制單元，其透過可撓式印刷電路板耦接至顯示驅動晶片與觸控晶片，控制顯示驅動晶片輸出顯示資料訊號、掃描線訊號以及觸控掃描訊號，並控制觸控晶片接收觸控感測訊號。In an embodiment of the invention, the touch display device further includes a motherboard control unit coupled to the display driving chip and the touch wafer through the flexible printed circuit board, and controlling the display driving chip to output the display data signal, Scanning the line signal and the touch scanning signal, and controlling the touch wafer to receive the touch sensing signal.
在本發明的一實施例中，上述的觸控顯示裝置更包括觸控晶片，其配置於第一基板上，耦接觸控感測線，自觸控感測線接收觸控感測訊號。In an embodiment of the invention, the touch display device further includes a touch control chip disposed on the first substrate, coupled to the touch sensing line, and receiving the touch sensing signal from the touch sensing line.
在本發明的一實施例中，上述的觸控晶片為配置於顯示驅動晶片外，或整合至顯示驅動晶片中。In an embodiment of the invention, the touch wafer is disposed outside the display driving chip or integrated into the display driving chip.
在本發明的一實施例中，上述的觸控晶片更於顯示驅動期間透過觸控感測線傳輸共同電壓訊號至畫素單元。In an embodiment of the invention, the touch wafer transmits a common voltage signal to the pixel unit through the touch sensing line during display driving.
在本發明的一實施例中，上述的第一基板為薄膜電晶體基板，第二基板為彩色濾光基板。In an embodiment of the invention, the first substrate is a thin film transistor substrate, and the second substrate is a color filter substrate.
在本發明的一實施例中，上述的觸控顯示裝置更包括保護鏡片，其配置於彩色濾光基板上方。In an embodiment of the invention, the touch display device further includes a protective lens disposed above the color filter substrate.
基於上述，本發明的實施例藉由在不同的期間利用資料線來傳輸顯示資料訊號或觸控掃描訊號，並將資料線、掃描線以及觸控感測線RL1配置在同一基板上，以減少使用可撓式印刷電路板進而降低觸控顯示裝置的製作成本並同時提高產品良率。Based on the above, the embodiment of the present invention uses the data line to transmit the display data signal or the touch scan signal during different periods, and configures the data line, the scan line and the touch sensing line RL1 on the same substrate to reduce the use. The flexible printed circuit board further reduces the manufacturing cost of the touch display device while improving the yield of the product.
為讓本發明的上述特徵和優點能更明顯易懂，下文特舉實施例，並配合所附圖式作詳細說明如下。The above described features and advantages of the invention will be apparent from the following description.
102‧‧‧第一基板102‧‧‧First substrate
104‧‧‧第二基板104‧‧‧second substrate
106‧‧‧顯示驅動晶片106‧‧‧Display driver chip
108‧‧‧觸控晶片108‧‧‧Touch chip
110‧‧‧主機板控制單元110‧‧‧ motherboard control unit
112‧‧‧可撓式印刷電路板112‧‧‧Flexible printed circuit boards
114‧‧‧主動層114‧‧‧Active layer
116‧‧‧保護鏡片116‧‧‧Protection lenses
302‧‧‧控制晶片302‧‧‧Control chip
DL1‧‧‧資料線DL1‧‧‧ data line
SL1‧‧‧掃描線SL1‧‧‧ scan line
RL1‧‧‧觸控感測線RL1‧‧‧ touch sensing line
圖1A繪示為本發明一實施例之觸控顯示裝置的示意圖。FIG. 1A is a schematic diagram of a touch display device according to an embodiment of the invention.
圖1B繪示為圖1A實施例之觸控顯示裝置的側面示意圖。FIG. 1B is a schematic side view of the touch display device of the embodiment of FIG. 1A.
圖2A繪示為本發明另一實施例之觸控顯示裝置的示意圖。2A is a schematic diagram of a touch display device according to another embodiment of the present invention.
圖2B繪示為圖2A實施例之觸控顯示裝置的側面示意圖。2B is a schematic side view of the touch display device of the embodiment of FIG. 2A.
圖3A繪示為本發明另一實施例之觸控顯示裝置的示意圖。FIG. 3A is a schematic diagram of a touch display device according to another embodiment of the present invention.
圖3B繪示為圖3A實施例之觸控顯示裝置的側面示意圖。FIG. 3B is a schematic side view of the touch display device of the embodiment of FIG. 3A.
圖1A繪示為本發明一實施例之觸控顯示裝置的示意圖，圖1B繪示為圖1A實施例之觸控顯示裝置的側面示意圖，請同時參照圖1A與圖1B。觸控顯示裝置包括第一基板102、第二基板104、多條資料線DL1、多條掃描線SL1、多條觸控感測線RL1、顯示驅動晶片106、觸控晶片108以及主機板控制單元110。其中第一基板102可例如為薄膜電晶體基板，第二基板104可例如為彩色濾光基板，且如圖1B所示，第二基板104配置於第一基板102上方。進一步來說，觸控顯示裝置還可包括保護鏡片116(為保持圖示簡潔因此未繪示於圖1A中)，其配置於第二基板104(亦即彩色濾光基板)上方，用以保護第一基板102以及第二基板104上之元件。1A is a schematic diagram of a touch display device according to an embodiment of the present invention. FIG. 1B is a side view of the touch display device of the embodiment of FIG. 1A. Please refer to FIG. 1A and FIG. 1B simultaneously. The touch display device includes a first substrate 102 , a second substrate 104 , a plurality of data lines DL1 , a plurality of scan lines SL1 , a plurality of touch sensing lines RL1 , a display driving chip 106 , a touch wafer 108 , and a motherboard control unit 110 . . The first substrate 102 can be, for example, a thin film transistor substrate, and the second substrate 104 can be, for example, a color filter substrate. As shown in FIG. 1B , the second substrate 104 is disposed above the first substrate 102 . Further, the touch display device may further include a protective lens 116 (not shown in FIG. 1A for keeping the drawing simple), which is disposed above the second substrate 104 (ie, the color filter substrate) for protection. The components on the first substrate 102 and the second substrate 104.
此外，資料線DL1、掃描線SL1、觸控感測線RL1以及 顯示驅動晶片106配置於第一基板102上。在圖1B中，第一基板102與第二基板104間所夾的主動層114可包括如氧化銦錫做為閘電極的薄膜電晶體等主動元件，亦即可包括用以顯示畫面的畫素單元(未繪示)以及進行觸控偵測的觸控單元(未繪示)。顯示驅動晶片106透過資料線DL1以及掃描線SL1耦接至第一基板102上的多個畫素單元，而觸控晶片108透過可撓式印刷電路板112耦接至觸控感測線RL1，進而耦接至多個觸控單元。另外，主機板控制單元110亦透過可撓式印刷電路板112耦接至顯示驅動晶片106與觸控晶片108。In addition, the data line DL1, the scan line SL1, the touch sensing line RL1, and The display driving wafer 106 is disposed on the first substrate 102. In FIG. 1B, the active layer 114 sandwiched between the first substrate 102 and the second substrate 104 may include active elements such as a thin film transistor such as indium tin oxide as a gate electrode, and may also include a pixel for displaying a picture. A unit (not shown) and a touch unit (not shown) for performing touch detection. The display driver chip 106 is coupled to the plurality of pixel units on the first substrate 102 through the data line DL1 and the scan line SL1, and the touch chip 108 is coupled to the touch sensing line RL1 through the flexible printed circuit board 112. Coupling to multiple touch units. In addition, the motherboard control unit 110 is also coupled to the display driving chip 106 and the touch wafer 108 through the flexible printed circuit board 112.
觸控顯示裝置在每一幀畫面可包括一顯示驅動期間與一觸控期間，其中在顯示驅動期間，主機板控制單元110可控制顯示驅動晶片106分別透過資料線DL1以及掃描線SL1傳送顯示資料訊號以及掃描線訊號共同電壓訊號至對應的畫素單元，同時觸控晶片108亦透過可撓式印刷電路板112與觸控感測線RL1傳送共同電壓訊號至畫素單元，以使觸控顯示裝置進行畫面顯示。而在觸控期間，主機板控制單元110則可控制觸控晶片108透過資料線DL1傳輸觸控掃描訊號至與其對應的觸控單元，並透過觸控感測線RL1自與觸控感測線RL1對應的該些觸控單元接收觸控感測訊號，以依據觸控感測訊號判斷觸控位置。值得注意的是，由於進行觸控偵測時，觸控單元的分布密度並不須高如畫素單元即可達到良好的觸控偵測效果，因此觸控晶片108在傳送觸控掃描訊號時，可僅對部份的資料線DL1傳輸觸控掃描訊號。The touch display device can include a display driving period and a touch period in each frame, wherein during the display driving, the motherboard control unit 110 can control the display driving chip 106 to transmit the display data through the data line DL1 and the scan line SL1, respectively. The signal and the scan line signal share the common voltage signal to the corresponding pixel unit, and the touch chip 108 transmits the common voltage signal to the pixel unit through the flexible printed circuit board 112 and the touch sensing line RL1 to enable the touch display device. Perform a screen display. During the touch control, the control panel 110 controls the touch control chip 108 to transmit the touch scan signal to the corresponding touch unit through the data line DL1, and corresponds to the touch sensing line RL1 through the touch sensing line RL1. The touch units receive the touch sensing signals to determine the touch position according to the touch sensing signals. It is worth noting that when the touch detection is performed, the distribution density of the touch unit does not need to be as high as the pixel unit to achieve a good touch detection effect. Therefore, when the touch wafer 108 transmits the touch scan signal, The touch scan signal can be transmitted only to part of the data line DL1.
如上所述，由於資料線DL1可分別於顯示驅動期間與觸控期間傳送顯示資料訊號與觸控掃描訊號，且在本實施例中資料線DL1、掃描線SL1以及觸控感測線RL1皆位於同一層中(皆位於第一基板102上)，因此本實施之觸控顯示裝置僅需一片可撓式印刷電路板112即可達到傳輸觸控掃描訊號與觸控感測訊號的目的，而不須如習知技術般須利用到兩片可撓式印刷電路板來分別連接觸控顯示面板上的觸控感測線與觸控掃描線，因此本實施例之訊號傳輸線的配置方式可有效提高產品良率並降低製造成本。As described above, the data line DL1 can transmit the display data signal and the touch scan signal during the display driving period and the touch period, and in the embodiment, the data line DL1, the scan line SL1, and the touch sensing line RL1 are all located in the same manner. In one layer (all on the first substrate 102), the touch display device of the present embodiment only needs one flexible printed circuit board 112 to transmit the touch scanning signal and the touch sensing signal, without As in the prior art, two flexible printed circuit boards are required to respectively connect the touch sensing lines and the touch scanning lines on the touch display panel. Therefore, the configuration of the signal transmission lines in this embodiment can effectively improve the product. Rate and reduce manufacturing costs.
圖2A繪示為本發明另一實施例之觸控顯示裝置的示意圖，圖2B繪示為圖2A實施例之觸控顯示裝置的側面示意圖，請同時參照圖2A與圖2B。圖2A、圖2B實施例與圖1A、圖1B實施例的不同之處在於，在圖2A、圖2B的實施例中，觸控晶片108為配置於第一基板102上。如此觸控晶片108便可不須透過可撓式印刷電路板112耦接至觸控感測線RL1，而可減少接合可撓式印刷電路板112時所可能造成的損壞，進一步地提高產品良率。FIG. 2A is a schematic diagram of a touch display device according to another embodiment of the present invention, and FIG. 2B is a schematic side view of the touch display device of the embodiment of FIG. 2A. Please refer to FIG. 2A and FIG. 2B simultaneously. The embodiment of FIG. 2A and FIG. 2B is different from the embodiment of FIG. 1A and FIG. 1B in that, in the embodiment of FIG. 2A and FIG. 2B, the touch wafer 108 is disposed on the first substrate 102. Thus, the touch wafer 108 can be coupled to the touch sensing line RL1 through the flexible printed circuit board 112, thereby reducing damage that may occur when the flexible printed circuit board 112 is bonded, and further improving product yield.
圖3A繪示為本發明另一實施例之觸控顯示裝置的示意圖，圖3B繪示為圖3A實施例之觸控顯示裝置的側面示意圖，請同時參照圖3A與圖3B。圖3A、圖3B實施例與圖2A、圖2B實施例的不同之處在於，在圖3A、圖3B的實施例中，觸控晶片108可不須如圖2A、圖2B實施例般配置於顯示驅動晶片106外，而可直接整合至顯示驅動晶片106中，在本實施例中整合觸控晶片108與顯示驅動晶片106的元件表示為控制晶片302。FIG. 3A is a schematic diagram of a touch display device according to another embodiment of the present invention, and FIG. 3B is a side view of the touch display device of the embodiment of FIG. 3A. Please refer to FIG. 3A and FIG. 3B simultaneously. The difference between the embodiment of FIG. 3A and FIG. 3B is different from the embodiment of FIG. 2A and FIG. 2B in that, in the embodiment of FIG. 3A and FIG. 3B, the touch wafer 108 can be disposed on the display as shown in the embodiment of FIG. 2A and FIG. 2B. The driving chip 106 is externally integrated and can be directly integrated into the display driving wafer 106. In the present embodiment, the components integrating the touch wafer 108 and the display driving wafer 106 are represented as the control wafer 302.
綜上所述，本發明藉由在不同的期間利用資料線來傳輸顯示資料訊號或觸控掃描訊號，並將資料線DL1、掃描線SL1以及觸控感測線RL1配置在同一基板上，以減少使用可撓式印刷電路板進而降低觸控顯示裝置的製作成本並同時提高產品良率。In summary, the present invention uses a data line to transmit a display data signal or a touch scan signal during different periods, and configures the data line DL1, the scan line SL1, and the touch sensing line RL1 on the same substrate to reduce The use of a flexible printed circuit board further reduces the manufacturing cost of the touch display device while improving product yield.
102‧‧‧第一基板102‧‧‧First substrate
104‧‧‧第二基板104‧‧‧second substrate
106‧‧‧顯示驅動晶片106‧‧‧Display driver chip
108‧‧‧觸控晶片108‧‧‧Touch chip
110‧‧‧主機板控制單元110‧‧‧ motherboard control unit
112‧‧‧可撓式印刷電路板112‧‧‧Flexible printed circuit boards
DL1‧‧‧資料線DL1‧‧‧ data line
SL1‧‧‧掃描線SL1‧‧‧ scan line
RL1‧‧‧觸控感測線RL1‧‧‧ touch sensing line
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/189,763 US20150029413A1 (en) | 2013-07-28 | 2014-02-25 | Touch display apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| US201361859294P | 2013-07-28 | 2013-07-28 |
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| TW201504889A TW201504889A (en) | 2015-02-01 |
| TWI497375B true TWI497375B (en) | 2015-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| TW102141305A TWI497375B (en) | 2013-07-28 | 2013-11-13 | Touch display apparatus |
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| CN (1) | CN104345965A (en) |
| TW (1) | TWI497375B (en) |
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| CN109857270B (en) * | 2017-11-30 | 2022-07-22 | 群创光电股份有限公司 | Touch control display device |
| CN114489389B (en) * | 2022-03-04 | 2023-07-28 | 厦门天马微电子有限公司 | Touch control driving assembly, execution method thereof and display device |
Citations (4)
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|---|---|---|---|---|
| TW201023002A (en) * | 2008-12-04 | 2010-06-16 | Wintek Corp | Touch display panel |
| TW201201074A (en) * | 2010-06-29 | 2012-01-01 | Novatek Microelectronics Corp | Driving method, driving device and touch sensible display device using the same |
| CN102749747A (en) * | 2012-05-11 | 2012-10-24 | 友达光电股份有限公司 | Touch display panel and manufacturing method thereof |
| TW201322071A (en) * | 2011-11-23 | 2013-06-01 | Hsiung-Kuang Tsai | Display apparatus and touch sensing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768604A (en) * | 2012-06-29 | 2012-11-07 | 京东方科技集团股份有限公司 | Capacitive embedded touch screen, as well as touch location method and display device thereof |
| CN103034386B (en) * | 2012-12-20 | 2015-11-11 | 北京京东方光电科技有限公司 | Capacitance type touch control display panel, display device, control device and method |
| CN103150073B (en) * | 2013-03-12 | 2015-10-14 | 合肥京东方光电科技有限公司 | A kind of capacitance type in-cell touch panel and display device |
-
2013
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- 2014-03-20 CN CN201410105319.0A patent/CN104345965A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201023002A (en) * | 2008-12-04 | 2010-06-16 | Wintek Corp | Touch display panel |
| TW201201074A (en) * | 2010-06-29 | 2012-01-01 | Novatek Microelectronics Corp | Driving method, driving device and touch sensible display device using the same |
| TW201322071A (en) * | 2011-11-23 | 2013-06-01 | Hsiung-Kuang Tsai | Display apparatus and touch sensing method thereof |
| CN102749747A (en) * | 2012-05-11 | 2012-10-24 | 友达光电股份有限公司 | Touch display panel and manufacturing method thereof |
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|---|---|
| CN104345965A (en) | 2015-02-11 |
| TW201504889A (en) | 2015-02-01 |
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