TWI595402B - Electronic device and driving method thereof - Google Patents
Electronic device and driving method thereof Download PDFInfo
- Publication number
- TWI595402B TWI595402B TW105108349A TW105108349A TWI595402B TW I595402 B TWI595402 B TW I595402B TW 105108349 A TW105108349 A TW 105108349A TW 105108349 A TW105108349 A TW 105108349A TW I595402 B TWI595402 B TW I595402B
- Authority
- TW
- Taiwan
- Prior art keywords
- common electrode
- electronic device
- electrode layer
- pressure
- pressure detecting
- Prior art date
Links
Description
本發明涉及壓力檢測技術領域，更具體的說，涉及一種具有壓力檢測功能的電子設備以及驅動方法。 The present invention relates to the field of pressure detection technology, and more particularly to an electronic device having a pressure detecting function and a driving method.
現在移動通信電子設備被廣泛的應用於人們的日常生活以及工作當中，為人們的日常生活以及工作帶來了巨大的便利，成為當今人們不可或缺的重要工具。 Nowadays, mobile communication electronic devices are widely used in people's daily life and work, which brings great convenience to people's daily life and work, and become an indispensable tool for people today.
隨著移動通信的發展，使用者對移動通信電子設備，如手機，平板等，要求越來越高，因此壓力感應功能成為進一步提高用戶體驗的措施。實現壓力檢測後，可以利用壓力維度的資訊進行終端相關應用功能的開發。 With the development of mobile communication, users are increasingly demanding mobile communication electronic devices, such as mobile phones and tablets. Therefore, the pressure sensing function has become a measure to further improve the user experience. After the pressure detection is implemented, the information of the pressure dimension can be utilized to develop the terminal-related application functions.
現有的壓力檢測實現方案主要是基於壓力感測器，需要在手機等電子設備邊緣放置多個壓力感測器，當施加壓力時，壓力感測器的材料性質會發生改變，從而檢測壓力的變化。但是，在電子設備內設置壓力感測器的實施方式成本高，且導致電子設備厚度增加。 The existing pressure detection implementation scheme is mainly based on a pressure sensor, and needs to place a plurality of pressure sensors on the edge of an electronic device such as a mobile phone. When pressure is applied, the material property of the pressure sensor changes, thereby detecting the pressure change. . However, embodiments in which a pressure sensor is disposed within an electronic device are costly and result in an increase in thickness of the electronic device.
為解決上述問題，本發明提供了一種具有壓力檢測功能的電子設備以及驅動方法，通過公共電極層實現壓力檢測功能，電子設備 的厚度較薄，且製作成本較低。 In order to solve the above problems, the present invention provides an electronic device having a pressure detecting function and a driving method, which realizes a pressure detecting function through a common electrode layer, and an electronic device The thickness is thinner and the manufacturing cost is lower.
為了實現上述目的，本發明提供如下技術方案：一種具有壓力檢測功能的電子設備，該電子設備包括：相對設置的顯示模組以及背光模組；顯示模組包括預設電極圖案的公共電極層；設置在背光模組背離顯示模組一側的設備中框；其中，電子設備的驅動週期包括：顯示時序段以及壓力檢測時序段；顯示時序段與壓力檢測時序段不交疊；公共電極層與背光模組或是設備中框形成壓力檢測電容，壓力檢測電容用於檢測電子設備受到的壓力；當電子設備處於壓力檢測時序段時，公共電極層接收壓力檢測掃描信號，用於壓力檢測；當電子設備處於顯示時序段時，公共電極層的所有電極圖案導通，公共電極層接收公共電壓信號，用於圖像顯示。 In order to achieve the above object, the present invention provides the following technical solution: an electronic device having a pressure detecting function, the electronic device includes: a display module and a backlight module; the display module includes a common electrode layer of a preset electrode pattern; The device is disposed in a device middle frame of the backlight module facing away from the display module; wherein the driving period of the electronic device includes: a display timing segment and a pressure detection timing segment; the display timing segment does not overlap with the pressure detection timing segment; the common electrode layer and The backlight module or the middle frame of the device forms a pressure detecting capacitor, and the pressure detecting capacitor is used for detecting the pressure received by the electronic device; when the electronic device is in the pressure detecting time segment, the common electrode layer receives the pressure detecting scan signal for pressure detection; When the electronic device is in the display timing segment, all electrode patterns of the common electrode layer are turned on, and the common electrode layer receives a common voltage signal for image display.
優選的，在上述電子設備中，還包括：觸控檢測電極，觸控檢測電極設置於顯示模組內或設置於顯示模組背離背光模組的一側；觸控檢測電極用於接收觸控檢測的觸控掃描信號。 Preferably, the electronic device further includes: a touch detection electrode, the touch detection electrode is disposed in the display module or disposed on a side of the display module facing away from the backlight module; and the touch detection electrode is configured to receive the touch The detected touch scan signal.
優選的，在上述電子設備中，驅動週期還包括：觸控檢測時序段；觸控檢測時序段與壓力檢測時序段不交疊；其中，觸控檢測電極在觸控時序段時用於接收觸控掃描信號，在壓力檢測時序段時用於接收用於對公共電極層進行電磁遮罩的電壓信號。 Preferably, in the electronic device, the driving cycle further includes: a touch detection timing segment; the touch detection timing segment and the pressure detection timing segment do not overlap; wherein the touch detection electrode is used to receive the touch during the touch timing segment The scan signal is controlled to receive a voltage signal for electromagnetically masking the common electrode layer during the pressure detection period.
優選的，在上述電子設備中，還包括：設置在顯示模組背離背光模組一側的蓋板；其中，觸控檢測電極設置在蓋板與顯示模組之間。 Preferably, the electronic device further includes: a cover disposed on a side of the display module facing away from the backlight module; wherein the touch detection electrode is disposed between the cover and the display module.
優選的，在上述電子設備中，顯示模組包括：相對設置的彩膜基板以及陣列基板；陣列基板位於背光模組與彩膜基板之間；填充在彩膜基板與陣列基板之間的液晶層；公共電極層設置在彩膜基板的表面或陣列基板的表面；設置在彩膜基板背離背光模組一側的第一偏光片；設置在陣列基板朝向背光模組一側的第二偏光片。 Preferably, in the above electronic device, the display module comprises: a color film substrate and an array substrate disposed oppositely; the array substrate is located between the backlight module and the color filter substrate; and the liquid crystal layer is filled between the color film substrate and the array substrate The common electrode layer is disposed on the surface of the color filter substrate or the surface of the array substrate; the first polarizer disposed on a side of the color filter substrate facing away from the backlight module; and the second polarizer disposed on a side of the array substrate facing the backlight module.
優選的，在上述電子設備中，還包括：第一驅動晶片以及第二驅動晶片；第一驅動晶片與公共電極連接；第二驅動晶片與公共電極以及觸控檢測電極連接；第一驅動晶片用於在顯示時序段時驅動公共電極層進行圖像顯示；第二驅動晶片用於在顯示時序段驅動觸控檢測電極進行觸控檢測，且用於在壓力檢測時序段驅動公共電極層進行壓力檢測。 Preferably, in the above electronic device, the method further includes: a first driving wafer and a second driving wafer; the first driving wafer is connected to the common electrode; the second driving wafer is connected to the common electrode and the touch detecting electrode; and the first driving wafer is used for Driving the common electrode layer for image display during the display of the time segment; the second driving chip is configured to drive the touch detection electrode for touch detection in the display timing segment, and is used for driving the common electrode layer for pressure detection in the pressure detection timing segment .
優選的，在上述電子設備中，公共電極層包括多個陣列排布的子電極。 Preferably, in the above electronic device, the common electrode layer includes a plurality of sub-electrodes arranged in an array.
優選的，在上述電子設備中，公共電極層包括多個平行等間隔分佈的條形子電極。 Preferably, in the above electronic device, the common electrode layer comprises a plurality of strip-shaped sub-electrodes arranged in parallel at equal intervals.
本發明還提供了一種電子設備的驅動方法，電子設備包 括：相對設置的顯示模組以及背光模組；顯示模組包括預設電極圖案的公共電極層；設置在背光模組背離顯示模組一側的設備中框；其中，電子設備具有顯示時序段以及壓力檢測時序段；公共電極層與背光模組或是設備中框形成壓力檢測電容，壓力檢測電容用於檢測電子設備受到的壓力；驅動方法包括：在壓力檢測時序段為公共電極層提供壓力檢測掃描信號，進行壓力檢測，在顯示時序段，將公共電極層的所有電極圖案導通且為公共電極層提供公共電壓信號，進行圖像顯示。 The invention also provides a driving method of an electronic device, an electronic device package a display module and a backlight module; the display module includes a common electrode layer of a preset electrode pattern; and a device middle frame disposed on a side of the backlight module facing away from the display module; wherein the electronic device has a display timing segment And a pressure detecting timing section; the common electrode layer and the backlight module or the middle frame of the device form a pressure detecting capacitor, and the pressure detecting capacitor is used for detecting the pressure received by the electronic device; and the driving method comprises: providing pressure to the common electrode layer in the pressure detecting timing section The scanning signal is detected, and pressure detection is performed. In the display timing section, all electrode patterns of the common electrode layer are turned on and a common voltage signal is supplied to the common electrode layer to perform image display.
優選的，在驅動方法中，電子設備還包括：觸控檢測電極；驅動方法還包括：在壓力檢測時序段，為觸控檢測電極輸入用於對公共電極層進行電磁遮罩的電壓信號；在顯示時序段，為觸控檢測電極輸入用於進行觸控檢測的觸控掃描信號。 Preferably, in the driving method, the electronic device further includes: a touch detection electrode; the driving method further includes: inputting, in the pressure detection timing segment, a voltage signal for electromagnetically shielding the common electrode layer for the touch detection electrode; The display timing segment inputs a touch scan signal for performing touch detection for the touch detection electrode.
通過上述描述可知，本發明提供的電子設備包括：相對設置的顯示模組以及背光模組；顯示模組包括預設電極圖案的公共電極層；設置在背光模組背離顯示模組一側的設備中框；其中，電子設備的驅動週期包括：顯示時序段以及壓力檢測時序段；顯示時序段與壓力檢測時序段不交疊；公共電極層與背光模組或是設備中框形成壓力檢測電容，壓力檢測電容用於檢測電子設備受到的壓力；當電子設備處於壓力檢測時序段時，公共電極層接收壓力檢測掃描信號，用於壓力檢測；當電子設備處於顯示時序段時，公共電極層接收公共電壓信號，用於圖像顯示。 The electronic device provided by the present invention includes: a relatively disposed display module and a backlight module; the display module includes a common electrode layer of a predetermined electrode pattern; and the device disposed on a side of the backlight module facing away from the display module The middle frame; wherein, the driving cycle of the electronic device comprises: displaying the timing segment and the pressure detecting timing segment; the display timing segment does not overlap with the pressure detecting timing segment; the common electrode layer and the backlight module or the device middle frame form a pressure detecting capacitor, The pressure detecting capacitor is used for detecting the pressure received by the electronic device; when the electronic device is in the pressure detecting timing segment, the common electrode layer receives the pressure detecting scan signal for pressure detection; when the electronic device is in the display timing segment, the common electrode layer receives the common Voltage signal for image display.
可見，電子設備通過公共電極層與背光模組或是設備中框形成壓力檢測電容，通過分時驅動公共電極層實現圖像顯示以及壓力檢測，無需單獨增加用於壓力檢測的感測器，只需要採用電子設備已有的部件即可實現壓力檢測，製作成本低，且厚度較薄。 It can be seen that the electronic device forms a pressure detecting capacitor through the common electrode layer and the backlight module or the middle frame of the device, and realizes image display and pressure detection by driving the common electrode layer in a time-sharing manner, without separately adding a sensor for pressure detection, only Pressure detection is required to use existing components of the electronic device, and the manufacturing cost is low and the thickness is thin.
10‧‧‧背光模組 10‧‧‧Backlight module
11‧‧‧安裝間隙 11‧‧‧Installation clearance
12‧‧‧第二偏光片 12‧‧‧Second polarizer
13‧‧‧陣列基板 13‧‧‧Array substrate
14‧‧‧公共電極層 14‧‧‧Common electrode layer
15‧‧‧液晶層 15‧‧‧Liquid layer
16‧‧‧彩膜基板 16‧‧‧Color film substrate
17‧‧‧觸控檢測電極 17‧‧‧Touch detection electrode
18‧‧‧第一偏光片 18‧‧‧First polarizer
19‧‧‧貼合膠 19‧‧‧Finishing glue
20‧‧‧背光模組 20‧‧‧Backlight module
21‧‧‧間隙 21‧‧‧ gap
22‧‧‧第二偏光片 22‧‧‧Second polarizer
23‧‧‧陣列基板 23‧‧‧Array substrate
24‧‧‧公共電極層 24‧‧‧Common electrode layer
25‧‧‧液晶層 25‧‧‧Liquid layer
26‧‧‧彩膜基板 26‧‧‧Color film substrate
27‧‧‧觸控檢測電極 27‧‧‧Touch detection electrode
28‧‧‧第一偏光片 28‧‧‧First polarizer
29‧‧‧貼合膠 29‧‧‧Finishing glue
31‧‧‧貼合膠 31‧‧‧Finishing glue
32‧‧‧貼合膠 32‧‧‧Finishing glue
41‧‧‧貼合膠 41‧‧‧Finishing glue
42‧‧‧貼合膠 42‧‧‧Finishing glue
51‧‧‧子電極 51‧‧‧Subelectrode
61‧‧‧子電極 61‧‧‧Subelectrode
71‧‧‧條形子電極 71‧‧‧ strip electrode
81‧‧‧條形子電極 81‧‧‧ strip electrode
100‧‧‧蓋板 100‧‧‧ cover
200‧‧‧蓋板 200‧‧‧ cover
201‧‧‧設備中框 201‧‧‧Device box
[圖1]為本申請實施例提供的一種具有壓力檢測功能的電子設備的結構示意圖；[圖2]為本申請實施例提供的另一種具有壓力檢測功能的電子設備的結構示意圖；[圖3]為本申請實施例提供的又一種具有壓力檢測功能的電子設備的結構示意圖；[圖4]為本申請實施例提供的又一種具有壓力檢測功能的電子設備的結構示意圖；[圖5]為本申請實施例提供的一種公共電極層的結構示意圖；[圖6]為本申請實施例提供的另一種公共電極層的結構示意圖；[圖7]為本申請實施例提供的又一種公共電極層的結構示意圖；[圖8]為本申請實施例提供的又一種公共電極層的結構示意圖；[圖9]為本申請實施例提供的一種電子設備的驅動方法的流程示意圖；[圖10]為本申請實施例提供的另一種電子設備的驅動方法的流程示意圖。 1 is a schematic structural diagram of an electronic device with a pressure detecting function according to an embodiment of the present application; [FIG. 2] FIG. 2 is a schematic structural diagram of another electronic device having a pressure detecting function according to an embodiment of the present application; [FIG. 3] A schematic structural diagram of another electronic device having a pressure detecting function according to an embodiment of the present application; [FIG. 4] FIG. 4 is a schematic structural diagram of another electronic device having a pressure detecting function according to an embodiment of the present application; [FIG. 5] A schematic diagram of a structure of a common electrode layer provided by an embodiment of the present application; [FIG. 6] is a schematic structural diagram of another common electrode layer provided by an embodiment of the present application; [FIG. 7] Another common electrode layer provided by an embodiment of the present application FIG. 8 is a schematic structural diagram of another common electrode layer according to an embodiment of the present application; [FIG. 9] is a schematic flowchart of a driving method of an electronic device according to an embodiment of the present application; [FIG. 10] Another schematic diagram of a driving method of an electronic device provided by an embodiment of the present application.
下面將結合本發明實施例中的附圖，對本發明實施例中的技術方案進行清楚、完整地描述，顯然，所描述的實施例僅僅是本發明一部分實施例，而不是全部的實施例。基於本發明中的實施例，本領域普通技術人員在沒有做出創造性勞動前提下所獲得的所有其他實施例，都屬於本發明保護的範圍。 The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
正如背景技術中所述，現有的壓力檢測實現方案主要是基於壓力感測器，需要在手機等電子設備邊緣放置多個壓力感測器，當施加壓力時，壓力感測器的材料性質會發生改變，從而檢測壓力的變化。 但是，在電子設備內設置壓力感測器的實施方式成本高，且導致電子設備厚度增加。 As described in the background art, the existing pressure detection implementation scheme is mainly based on a pressure sensor, and needs to place a plurality of pressure sensors on the edge of an electronic device such as a mobile phone. When pressure is applied, the material properties of the pressure sensor occur. Change to detect changes in pressure. However, embodiments in which a pressure sensor is disposed within an electronic device are costly and result in an increase in thickness of the electronic device.
為了解決上述問題，本申請實施例提供了一種具有壓力檢測功能的電子設備，該電子設備包括：相對設置的顯示模組以及背光模組；所述顯示模組包括預設電極圖案的公共電極層；設置在所述背光模組背離所述顯示模組一側的設備中框；其中，所述電子設備的驅動週期包括：顯示時序段以及壓力檢測時序段；所述顯示時序段與所述壓力檢測時序段不交疊；所述公共電極層與所述背光模組或是所述設備中框形成壓力檢測電容，所述壓力檢測電容用於檢測所述電子設備受到的壓力；當所述電子設備處於壓力檢測時序段時，所述公共電極層接收壓力檢測掃描信號，用於壓力檢測；當所述電子設備處於顯示時序 段時，所述公共電極層的所有電極圖案導通，公共電極層接收公共電壓信號，用於圖像顯示。 In order to solve the above problem, an embodiment of the present application provides an electronic device having a pressure detecting function, the electronic device includes: a display module and a backlight module disposed oppositely; the display module includes a common electrode layer of a preset electrode pattern a device middle frame disposed on a side of the backlight module facing away from the display module; wherein the driving period of the electronic device includes: a display timing segment and a pressure detection timing segment; the display timing segment and the pressure The detection timing segments do not overlap; the common electrode layer forms a pressure detecting capacitance with the backlight module or the middle frame of the device, and the pressure detecting capacitor is used to detect the pressure received by the electronic device; When the device is in the pressure detection timing segment, the common electrode layer receives the pressure detection scan signal for pressure detection; when the electronic device is in display timing In the segment, all electrode patterns of the common electrode layer are turned on, and the common electrode layer receives a common voltage signal for image display.
本申請實施例所述電子設備通過公共電極層與背光模組或是設備中框形成壓力檢測電容，通過分時驅動公共電極層實現圖像顯示以及壓力檢測，無需單獨增加用於壓力檢測的感測器，只需要採用電子設備已有的部件即可實現壓力檢測，製作成本低，且厚度較薄。 The electronic device in the embodiment of the present application forms a pressure detecting capacitor through the common electrode layer and the backlight module or the middle frame of the device, and realizes image display and pressure detection by driving the common electrode layer in a time-sharing manner, without separately adding a feeling for pressure detection. The detector only needs to use the existing components of the electronic device to realize the pressure detection, the manufacturing cost is low, and the thickness is thin.
為了使本發明實施例提供的技術方案更加清楚，下面結合附圖對上述方案進行詳細描述。 In order to make the technical solutions provided by the embodiments of the present invention clearer, the foregoing solutions are described in detail below with reference to the accompanying drawings.
參考圖1，圖1為本申請實施例提供的一種具有壓力檢測功能的電子設備的結構示意圖，圖1中A圖表示所述電子設備不受壓力時的狀態，圖1中B圖表示所述電子設備受到壓力f時的狀態。 1 is a schematic structural diagram of an electronic device with a pressure detecting function according to an embodiment of the present application. FIG. 1A shows a state in which the electronic device is not under pressure, and FIG. 1B shows the state. The state when the electronic device is subjected to the pressure f.
所述電子設備包括：相對設置的顯示模組以及背光模組10；所述顯示模組包括預設電極圖案的公共電極層14；設置在所述背光模組背10離所述顯示模組一側的設備中框。需要說明的是，圖1中未示出所述設備中框。該實施例中，公共電極層14與背光模組10形成壓力加測電容，所述壓力檢測電容用於檢測所述電子設備收到的壓力f。所述電子設備受到壓力f按壓時，會使得公共電極層14發生形變，根據平行板電容器的公式：C=ξS/4πkd(d為構成電容器的兩平行板之間的距離)可知，公共電極層14與背光模組10之間會根據兩者之間距離的變化而發生壓力檢測電容的變化，在進行壓力檢測時，通過檢測表徵壓力檢測電容的電學參數即可測得壓力值。 The electronic device includes: a display module and a backlight module 10; the display module includes a common electrode layer 14 of a predetermined electrode pattern; and the back of the backlight module 10 is disposed away from the display module The box in the side of the device. It should be noted that the device middle frame is not shown in FIG. In this embodiment, the common electrode layer 14 and the backlight module 10 form a pressure addition capacitance, and the pressure detection capacitance is used to detect the pressure f received by the electronic device. When the electronic device is pressed by the pressure f, the common electrode layer 14 is deformed. According to the formula of the parallel plate capacitor: C=ξS/4πkd (d is the distance between the two parallel plates constituting the capacitor), the common electrode layer is known. A change in the pressure detecting capacitance occurs between the 14 and the backlight module 10 according to a change in the distance between the two, and when the pressure is detected, the pressure value can be measured by detecting an electrical parameter characterizing the pressure detecting capacitor.
所述電子設備的驅動週期包括：顯示時序段以及壓力檢測 時序段。所述顯示時序段與所述壓力檢測時序段不交疊，二者分時進行，以使得壓力檢測與圖像顯示不同時進行。當所述電子設備處於壓力檢測時序段時，所述公共電極層接收壓力檢測掃描信號，因公共電極設有預設圖案，所以公共電極即可構成壓力感測電極用於壓力檢測；當所述電子設備處於顯示時序段時，所述公共電極層接收公共電壓信號，公共電極的所有圖案導通構成等勢面用於圖像顯示。所述電子設備通過公共電極層既可以實現壓力檢測，又可以實現圖像顯示。 The driving period of the electronic device includes: displaying a timing segment and pressure detection Timing segment. The display timing segment does not overlap with the pressure detection timing segment, and the two are performed in a time-sharing manner so that the pressure detection is not performed simultaneously with the image display. When the electronic device is in the pressure detecting timing segment, the common electrode layer receives the pressure detecting scan signal, and the common electrode is configured to form a pressure sensing electrode for pressure detection; When the electronic device is in the display timing segment, the common electrode layer receives a common voltage signal, and all patterns of the common electrode are turned on to form an equipotential surface for image display. The electronic device can realize both pressure detection and image display through the common electrode layer.
如圖1所示，所述電子設備還包括：設置在所述公共電極層14背離所述背光模組10一側的觸控檢測電極17。所述觸控檢測電極17用於進行觸控檢測的觸控掃描信號。圖1所述實施方式中，所述觸控檢測電極17設置於顯示模組內，即在所述顯示模組內集成所述觸控檢測電極17。 As shown in FIG. 1 , the electronic device further includes: a touch detection electrode 17 disposed on a side of the common electrode layer 14 facing away from the backlight module 10 . The touch detection electrode 17 is configured to perform touch detection of the touch detection signal. In the embodiment of FIG. 1 , the touch detection electrode 17 is disposed in the display module, that is, the touch detection electrode 17 is integrated in the display module.
可選的，所述驅動週期還包括：觸控檢測時序段；所述觸控檢測時序段與所述壓力檢測時序段不交疊。其中，所述觸控檢測電極17在所述觸控時序段時用於接收所述觸控掃描信號，在所述壓力檢測時序段時用於接收用於對公共電極層進行電磁遮罩的電壓信號。 Optionally, the driving cycle further includes: a touch detection timing segment; the touch detection timing segment does not overlap the pressure detection timing segment. The touch detection electrode 17 is configured to receive the touch scan signal during the touch timing segment, and receive a voltage for electromagnetically shielding the common electrode layer during the pressure detection timing segment. signal.
在所述觸控檢測時序段，通過所述觸控檢測電極17，可以使得所述電子設備具有觸控檢測功能。同時，在所述壓力檢測時序段，通過為所述觸控檢測電極17接收用於進行電磁遮罩的電壓信號，可以避免觸控檢測電極17背離所述公共電極層14一側的電磁信號對所述公共電極層的干擾，保證壓力檢測的準確性。這樣，無需單獨製備電磁遮罩層，通過觸控檢測電極可以同時電磁遮罩以及觸控檢測的作用，不會增 加電子設備的厚度，同時製作成本較低。 In the touch detection timing segment, the touch detection electrode 17 can make the electronic device have a touch detection function. At the same time, in the pressure detecting timing section, by receiving the voltage signal for performing the electromagnetic mask for the touch detecting electrode 17, the electromagnetic signal pair of the touch detecting electrode 17 away from the side of the common electrode layer 14 can be avoided. The interference of the common electrode layer ensures the accuracy of the pressure detection. In this way, it is not necessary to separately prepare an electromagnetic mask layer, and the function of the electromagnetic mask and the touch detection can be simultaneously increased by the touch detection electrode, and the effect is not increased. The thickness of the electronic device is increased, and the manufacturing cost is low.
在圖1所示實施方式中，所述電子設備還包括：設置在所述顯示模組背離所述背光模組10一側的蓋板100。其中，所述觸控檢測電極17設置在所述蓋板100與所述顯示模組之間。所述蓋板100用於保護顯示模組以及觸控檢測電極17，防止它們收到外力而損壞。本實施例為觸控屏領域常見的ON-CELL結構。 In the embodiment shown in FIG. 1 , the electronic device further includes: a cover plate 100 disposed on a side of the display module facing away from the backlight module 10 . The touch detection electrode 17 is disposed between the cover 100 and the display module. The cover plate 100 is used to protect the display module and the touch detection electrode 17 from being damaged by receiving an external force. This embodiment is an ON-CELL structure commonly used in the field of touch screens.
如圖1所示，所述顯示模組具體包括：相對設置的彩膜基板16以及陣列基板13；填充在彩膜基板16於陣列基板13之間的液晶層15；設置在所述彩膜基板16背離所述背光模組10一側的第一偏光片18；設置在所述陣列基板13朝向所述背光模組10一側的第二偏光片12。蓋板100通過貼合膠19固定在第一偏光片18背離液晶層15一側的表面。其中，所述公共電極層可設置在所述彩膜基板的表面或陣列基板的表面，圖1所示了所述公共電極層14設置在所述陣列基板13的表面的實施方式。觸控檢測電極17設置在第一偏光片18與所述彩膜基板16之間。 As shown in FIG. 1 , the display module specifically includes: a color film substrate 16 and an array substrate 13 disposed opposite to each other; a liquid crystal layer 15 filled between the color filter substrate 16 and the array substrate 13; and the color filter substrate a first polarizer 18 facing away from the backlight module 10; and a second polarizer 12 disposed on a side of the array substrate 13 facing the backlight module 10. The cover plate 100 is fixed to the surface of the first polarizer 18 on the side away from the liquid crystal layer 15 by the bonding glue 19. The common electrode layer may be disposed on a surface of the color filter substrate or a surface of the array substrate, and an embodiment in which the common electrode layer 14 is disposed on a surface of the array substrate 13 is illustrated in FIG. 1 . The touch detection electrode 17 is disposed between the first polarizer 18 and the color filter substrate 16 .
所述顯示模組可以為液晶顯示模組，也可以為OLED顯示模組。本申請實施例中以液晶顯示模組為例進行說明。 The display module can be a liquid crystal display module or an OLED display module. In the embodiment of the present application, a liquid crystal display module is taken as an example for description.
請參考圖1，所述觸控檢測電極層17設置在所述第一偏光片18與所述彩膜基板16之間。所述陣列基板13位於所述背光模組10與所述彩膜基板16之間；所述陣列基板13朝向所述液晶層15的一側設置有所述公共電極層14。顯示模組與背光模組10之間具有安裝間隙11，以防止由於部件尺寸誤差導致的安裝不匹配問題。本實施例中，公共電極層14與背光模組10形成壓力檢測電容，具體的是與背光模組10的背光鐵殼 形成壓力檢測電容。為了提高壓力檢測的精確度，所述間隙11可以填充可形變材料。所述可形變材料可以為泡棉等。所述可形變材料優先為電介質材料，用於增大壓力檢測電容。 Referring to FIG. 1 , the touch detection electrode layer 17 is disposed between the first polarizer 18 and the color filter substrate 16 . The array substrate 13 is located between the backlight module 10 and the color filter substrate 16; the common electrode layer 14 is disposed on a side of the array substrate 13 facing the liquid crystal layer 15. There is a mounting gap 11 between the display module and the backlight module 10 to prevent installation mismatch caused by component size errors. In this embodiment, the common electrode layer 14 and the backlight module 10 form a pressure detecting capacitor, specifically the backlight iron shell of the backlight module 10 A pressure detecting capacitor is formed. In order to improve the accuracy of the pressure detection, the gap 11 can be filled with a deformable material. The deformable material may be foam or the like. The deformable material is preferably a dielectric material for increasing the pressure detecting capacitance.
參考圖2，圖2為本申請實施例提供的另一種具有壓力檢測功能的電子設備的結構示意圖，圖2中C圖表示所述電子設備不受壓力時的狀態，圖2中D圖表示所述電子設備受到壓力f時的狀態。 Referring to FIG. 2, FIG. 2 is a schematic structural diagram of another electronic device with a pressure detecting function according to an embodiment of the present application. FIG. 2C shows a state in which the electronic device is not under pressure, and FIG. The state in which the electronic device is subjected to the pressure f.
圖2所示電子設備中，包括：蓋板200、觸控檢測電極27、顯示模組、背光模組20以及設備中框201。顯示模組包括：第一偏光片28、彩膜基板26、液晶層25、公共電極層24、陣列基板23以及第二偏光片22。觸控檢測電極設置在第一偏光片28與彩膜基板26之間。蓋板200通過貼合膠29固定在第一偏光片28背離液晶層25一側的表面。背光模組20與設備中框201之間具有間隙21，用於避免由於部件尺寸誤差導致的安裝不匹配問題。 The electronic device shown in FIG. 2 includes a cover 200, a touch detection electrode 27, a display module, a backlight module 20, and a device middle frame 201. The display module includes a first polarizer 28, a color filter substrate 26, a liquid crystal layer 25, a common electrode layer 24, an array substrate 23, and a second polarizer 22. The touch detection electrode is disposed between the first polarizer 28 and the color filter substrate 26. The cover 200 is fixed to the surface of the first polarizer 28 on the side away from the liquid crystal layer 25 by the bonding glue 29. There is a gap 21 between the backlight module 20 and the frame 201 in the device for avoiding the problem of mounting mismatch caused by component size errors.
圖2，所示實施方式中，所述公共電極層24與設備中框201形成壓力檢測電容。所述電子設備收到壓力f按壓時，會使得公共電極層24發生形變，進而導致公共電極層24與設備中框201之間的壓力檢測電容發生變化，在進行壓力檢測時，通過檢測表徵壓力檢測電容的電學參數即可測得壓力值。 In the embodiment shown in FIG. 2, the common electrode layer 24 forms a pressure detecting capacitance with the device middle frame 201. When the electronic device receives the pressure f, the common electrode layer 24 is deformed, thereby causing a change in the pressure detecting capacitance between the common electrode layer 24 and the device frame 201. When the pressure is detected, the pressure is detected by the detection. The pressure value can be measured by detecting the electrical parameters of the capacitor.
同樣，為了提高壓力檢測的精確度，所述間隙21可以填充可形變材料。所述可形變材料可以為泡棉等。所述可形變材料為電介質材料，用於增大壓力檢測電容。 Also, in order to improve the accuracy of the pressure detection, the gap 21 may be filled with a deformable material. The deformable material may be foam or the like. The deformable material is a dielectric material for increasing the pressure detecting capacitance.
在圖1以及圖2所示實施方式中，均是將觸控檢測電極集成 在顯示模組的彩膜基板上方，構成ON-CELL觸控屏。圖2所示實施方式與圖1所示實施方式不同在於，圖1是公共電極層與帶有導電層的背光模組形成壓力檢測電容，所述導電層可為集成於背光模組的鐵殼。圖2所示實施方式是公共電極層與帶有導電層的設備中框形成壓力檢測電容，所述導電層可為集成於設備中框的鐵殼。二者進行圖像顯示、觸控檢測以及壓力檢測的原理相同。帶導電層的背光模組相比不帶導電層的背光模組組合設備中框而言，結構上有更輕薄的優勢。 In the embodiment shown in FIG. 1 and FIG. 2, the touch detection electrodes are integrated. An ON-CELL touch screen is formed above the color film substrate of the display module. The embodiment shown in FIG. 2 is different from the embodiment shown in FIG. 1 in that FIG. 1 is a common electrode layer and a backlight module with a conductive layer forming a pressure detecting capacitor, and the conductive layer may be an iron shell integrated in the backlight module. . The embodiment shown in FIG. 2 is that the common electrode layer and the device with the conductive layer form a pressure detecting capacitor in the frame, and the conductive layer may be an iron shell integrated in the frame of the device. The principle of image display, touch detection and pressure detection are the same. The backlight module with the conductive layer has the advantage of being lighter and thinner than the frame of the backlight module combination device without the conductive layer.
在其他實施方式中，還可以將觸控檢測電極設置在蓋板與顯示模組之間，此時，電子設備可以採用如圖3與圖4所示的OUT-CELL觸控屏結構。 In other embodiments, the touch detection electrode can be disposed between the cover and the display module. At this time, the electronic device can adopt the OUT-CELL touch screen structure as shown in FIG. 3 and FIG. 4 .
參考圖3，圖3為本申請實施例提供的又一種具有壓力檢測功能的電子設備的結構示意圖，圖3中E圖表示所述電子設備不受壓力時的狀態，圖3中F圖表示所述電子設備受到壓力f時的狀態。圖3所示實施方式與圖1所示實施方式不同在於，圖3所示實施方中，將觸控檢測電極17設置在顯示模組與蓋板100之間，即設置於所述顯示模組背離所述背光模組的一側。此時，觸控檢測電極17與蓋板100通過貼合膠32粘結固定，與第一偏光片18通過貼合膠31粘結固定。圖3與圖1所示實施方式相同，公共電極層均是與帶有導電層的背光模組形成壓力檢測電容。 Referring to FIG. 3, FIG. 3 is a schematic structural diagram of another electronic device with a pressure detecting function according to an embodiment of the present application. FIG. 3E shows a state in which the electronic device is not under pressure, and FIG. The state in which the electronic device is subjected to the pressure f. The embodiment shown in FIG. 3 is different from the embodiment shown in FIG. 1 . In the embodiment shown in FIG. 3 , the touch detection electrode 17 is disposed between the display module and the cover 100 , that is, disposed on the display module. A side facing away from the backlight module. At this time, the touch detection electrode 17 and the cover 100 are bonded and fixed by the bonding adhesive 32, and are bonded and fixed to the first polarizer 18 by the bonding adhesive 31. 3 is the same as the embodiment shown in FIG. 1. The common electrode layer forms a pressure detecting capacitor with a backlight module with a conductive layer.
參考圖4，圖4為本申請實施例提供的又一種具有壓力檢測功能的電子設備的結構示意圖，圖4中H圖表示所述電子設備不受壓力時的狀態，圖4中I圖表示所述電子設備受到壓力f時的狀態。圖4所示實施方式與圖2所示實施方式不同在於，圖4所示實施方中，將觸控檢測電極 27設置在顯示模組與蓋板200之間。此時，觸控檢測電極27與蓋板200通過貼合膠42粘結固定，與第一偏光片28通過貼合膠41粘結固定。圖4與圖2所示實施方式相同，公共電極層均是與帶有導電層的設備中框形成壓力檢測電容。 Referring to FIG. 4, FIG. 4 is a schematic structural diagram of another electronic device with a pressure detecting function according to an embodiment of the present application. FIG. 4 is a view showing a state in which the electronic device is not under pressure, and FIG. The state in which the electronic device is subjected to the pressure f. The embodiment shown in FIG. 4 is different from the embodiment shown in FIG. 2 in that, in the embodiment shown in FIG. 4, the touch detection electrode is used. 27 is disposed between the display module and the cover 200. At this time, the touch detection electrode 27 and the cover 200 are bonded and fixed by the bonding adhesive 42 , and are bonded and fixed to the first polarizer 28 by the bonding adhesive 41 . 4 is the same as the embodiment shown in FIG. 2, and the common electrode layer forms a pressure detecting capacitor with the frame in the device with the conductive layer.
可選的，本申請實施例所述電子設備包括：第一驅動晶片以及第二驅動晶片；所述第一驅動晶片與所述公共電極連接；所述第二驅動晶片與所述公共電極以及所述觸控檢測電極連接。所述電子設備具有顯示時序段以及壓力檢測時序段；所述第一驅動晶片用於在所述顯示時序段時驅動所述公共電極層進行圖像顯示；所述第二驅動晶片用於在所述顯示時序段和/或所述壓力檢測時序段時驅動所述觸控檢測電極進行觸控檢測，且用於在所述壓力檢測時序段驅動所述公共電極層進行壓力檢測。複用觸控檢測信號進行壓力檢測，無需單獨再設置晶片，降低了製作成本。 Optionally, the electronic device of the embodiment of the present application includes: a first driving wafer and a second driving wafer; the first driving wafer is connected to the common electrode; the second driving wafer and the common electrode and the The touch detection electrode is connected. The electronic device has a display timing segment and a pressure detection timing segment; the first driving wafer is configured to drive the common electrode layer for image display during the displaying timing segment; and the second driving wafer is used for The touch detection electrodes are driven to perform touch detection when the timing segments and/or the pressure detection timing segments are displayed, and are used to drive the common electrode layer for pressure detection in the pressure detection timing segment. The touch detection signal is multiplexed for pressure detection, and the wafer is not separately set, which reduces the manufacturing cost.
為了更精確的測量電子設備受到的壓力值，預設圖案的公共電極層具體可包括：子電極，以便於準確的確定壓力作用位置以及壓力值。子電極的個數以及形狀可以根據面板結構設置，通過多個子電極實現多指壓力檢測。子電極的形狀可以為正方形、矩形、三角形或是圓形等圖案結構，子電極數目可以根據實際調整，子電極分佈可以為均勻等分，也可以為邊緣的子電極大，中間的子電極小的方式分佈。子電極可以為橫向排列的條形電極，也可以為縱向排列的條形電極。根據子電極的感應量和分佈，可以進行多點壓力的檢測。 In order to more accurately measure the pressure value received by the electronic device, the common electrode layer of the predetermined pattern may specifically include: a sub-electrode in order to accurately determine the pressure action position and the pressure value. The number and shape of the sub-electrodes can be set according to the panel structure, and multi-finger pressure detection is realized by a plurality of sub-electrodes. The shape of the sub-electrode may be a square, a rectangle, a triangle or a circular pattern. The number of sub-electrodes may be adjusted according to actual conditions, the sub-electrode distribution may be evenly divided, or the sub-electrodes of the edge may be large, and the sub-electrodes in the middle are small. Way of distribution. The sub-electrodes may be strip electrodes arranged in a lateral direction or strip electrodes arranged in a longitudinal direction. Multi-point pressure detection can be performed based on the amount and distribution of the sub-electrodes.
當所述公共電極層包括多個子電極時，公共電極層的結構 可以如圖5-圖8所示。需要說明的是，所述公共電極層的結構包括但不局限於圖5-圖8所示結構。 When the common electrode layer includes a plurality of sub-electrodes, the structure of the common electrode layer Can be as shown in Figure 5-8. It should be noted that the structure of the common electrode layer includes, but is not limited to, the structures shown in FIGS. 5-8.
參考圖5，圖5為本申請實施例提供的一種公共電極層的結構示意圖，該公共電極層包括：多個陣列排布的子電極51。在該實施方式中，各個子電極51的形狀以及面積相同。 Referring to FIG. 5, FIG. 5 is a schematic structural diagram of a common electrode layer according to an embodiment of the present application. The common electrode layer includes a plurality of sub-electrodes 51 arranged in an array. In this embodiment, the shape and area of each of the sub-electrodes 51 are the same.
參考圖6，圖6為本申請實施例提供的另一種公共電極層的結構示意圖，該公共電極層包括：多個陣列排布的子電極61。該實施方式中，子電極的形狀不完全相同。 Referring to FIG. 6, FIG. 6 is a schematic structural diagram of another common electrode layer according to an embodiment of the present application. The common electrode layer includes a plurality of sub-electrodes 61 arranged in an array. In this embodiment, the shape of the sub-electrodes is not completely the same.
參考圖7，圖7為本申請實施例提供的又一種公共電極層的結構示意圖，該公共電極層包括：多個平行等間隔分佈的條形子電極71。該實施方式中，子電極的形狀以及面積相同。 Referring to FIG. 7, FIG. 7 is a schematic structural diagram of still another common electrode layer according to an embodiment of the present application. The common electrode layer includes a plurality of strip-shaped sub-electrodes 71 arranged in parallel at equal intervals. In this embodiment, the shape and area of the sub-electrodes are the same.
參考圖8，圖8為本申請實施例提供的又一種公共電極層的結構示意圖，該公共電極層包括：多個平行等間隔分佈的條形子電極81。該實施方式中，子電極的形狀以及面積相同。與圖7所示實施方式不同在於子電極的延伸方向不同。 Referring to FIG. 8 , FIG. 8 is a schematic structural diagram of still another common electrode layer according to an embodiment of the present application. The common electrode layer includes a plurality of strip-shaped sub-electrodes 81 arranged in parallel at equal intervals. In this embodiment, the shape and area of the sub-electrodes are the same. The difference from the embodiment shown in Fig. 7 is that the sub-electrodes extend in different directions.
本申請實施例所述電子設備還可以為IN-CELL結構觸控式螢幕，即將觸控檢測電極設置於彩膜基板和/或陣列基板。 The electronic device in the embodiment of the present application may also be an IN-CELL structure touch screen, that is, the touch detection electrodes are disposed on the color film substrate and/or the array substrate.
本申請實施例所述電子設備將通過預設圖案實現將公共電極層分為多個子電極，從而形成多個壓力檢測通道，一個子電極對應一個壓力檢測通道，各個自電極均與驅動晶片連接。在壓力檢測時序段，通過公共電極層實現壓力檢測。這樣，不會增加電子設備的結構的複雜度以及製作成本。同時，通過分時驅動實現圖像顯示以及壓力檢 測，驅動方式簡單，同時可以通過觸控檢測電極對公共電極層進行電磁遮罩，保證壓力檢測的準確度以及圖像顯示品質。而且所述電子設備直接複用現有液晶顯示幕的公共電極進行壓力檢測，便於與現有液晶顯示幕進行模組化集成，便於量產。 The electronic device in the embodiment of the present application divides the common electrode layer into a plurality of sub-electrodes by a predetermined pattern, thereby forming a plurality of pressure detecting channels, one sub-electrode corresponding to one pressure detecting channel, and each self-electrode is connected to the driving chip. In the pressure detection timing section, pressure detection is achieved through the common electrode layer. In this way, the complexity of the structure of the electronic device and the manufacturing cost are not increased. At the same time, image display and pressure check are realized by time-sharing driving. The measurement method is simple, and the electromagnetic shielding of the common electrode layer can be performed through the touch detection electrode to ensure the accuracy of the pressure detection and the image display quality. Moreover, the electronic device directly multiplexes the common electrode of the existing liquid crystal display screen for pressure detection, and is convenient for modular integration with the existing liquid crystal display screen, and is convenient for mass production.
基於上述電子設備實施例，本申請實施例還提供了一種驅動方法，該驅動方法用於驅動上述實施例所述的電子設備，該驅動方法包括：在壓力檢測時序段為公共電極層提供壓力檢測掃描信號，進行壓力檢測，在顯示時序段，將公共電極層的所有電極圖案導通且為公共電極層提供公共電壓信號，進行圖像顯示。 Based on the foregoing electronic device embodiment, the embodiment of the present application further provides a driving method for driving the electronic device described in the foregoing embodiment, the driving method comprising: providing pressure detection for the common electrode layer in the pressure detecting timing segment Scanning the signal, performing pressure detection, and turning on all the electrode patterns of the common electrode layer in the display timing section and providing a common voltage signal to the common electrode layer for image display.
當所述電子設備包括觸控檢測電極時，可以複用觸控檢測電極作為電磁遮罩層。 When the electronic device includes a touch detection electrode, the touch detection electrode may be multiplexed as an electromagnetic mask layer.
此時，所述驅動方法還包括：在所述壓力檢測時序段，為所述觸控檢測電極輸入用於對公共電極層進行電磁遮罩的電壓信號；在所述顯示時序段，為所述觸控檢測電極輸入用於進行觸控檢測的觸控掃描信號。 In this case, the driving method further includes: inputting, in the pressure detecting timing segment, a voltage signal for electromagnetically shielding the common electrode layer for the touch detecting electrode; The touch detection electrode inputs a touch scan signal for performing touch detection.
具體的，本申請實施例所述電子設備中的顯示模組為LCD。LCD包括多條柵極線。公共電極層通過VCOM開關(公共電壓開關)與LCD IC(即上述第一驅動晶片)以及Touch IC(即上述第二驅動晶片)連接，當VCOM開關打向LCD IC時，LCD IC與公共電極層電連接，當VCOM開關打向Touch IC時，Touch IC與公共電極層電連接。 Specifically, the display module in the electronic device in the embodiment of the present application is an LCD. The LCD includes a plurality of gate lines. The common electrode layer is connected to the LCD IC (ie, the first driving chip) and the Touch IC (ie, the second driving chip) through a VCOM switch (common voltage switch), and the LCD IC and the common electrode layer when the VCOM switch is directed to the LCD IC. Electrically connected, when the VCOM switch is turned to the Touch IC, the Touch IC is electrically connected to the common electrode layer.
採用上述驅動方法驅動所述電子設備時，可以掃描完所有 柵極線後再進行壓力檢測通道的掃描。此時電子設備的掃描過程如圖9所示，圖9為本申請實施例提供的一種電子設備的驅動方法的流程示意圖。 When the electronic device is driven by the above driving method, all the scans can be scanned. The scanning of the pressure detecting channel is performed after the gate line. FIG. 9 is a schematic flowchart of a driving method of an electronic device according to an embodiment of the present disclosure.
在圖9所示驅動方法中，LCD一幀掃描開始後，通過對應的觸發信號，使得VCOM開關打向LCD IC，開始LCD行掃描。此時所述LCD IC為公共電極層提供公共電壓信號。所述LCD行掃描為逐行掃完LCD的所有柵極線。 In the driving method shown in FIG. 9, after the start of one frame scanning of the LCD, the corresponding trigger signal is used to cause the VCOM switch to hit the LCD IC to start LCD line scanning. At this time, the LCD IC supplies a common voltage signal to the common electrode layer. The LCD line scan scans all gate lines of the LCD line by line.
當LCD的行掃描完成後，完成LCD的顯示驅動。然後，通過對應的觸發信號，使得VCOM開關打向Touch IC。此時，需要向Touch IC發送標識資訊，使得Touch IC進入LCD掃描間歇區。當Touch IC進入LCD掃描間歇區後，Touch IC停止Touch Sensor(觸控檢測電極)掃描，並將Touch Sensor置地，即Touch IC為Touch Sensor提供進行電磁遮罩的電壓信號，再驅動壓力檢測通道的掃描，以防止Touch Sensor對公共電極層的電磁干擾，保證壓力檢測的準確性。在壓力檢測結束後，Touch IC啟動Touch Sensor掃描，以實現觸控檢測。當Touch Sensor掃描完成後，LCD的一幀掃描過程完成，進入下一幀掃描。此處的LCD掃描間歇區具體為LCD幀掃描間歇區。 When the line scan of the LCD is completed, the display driving of the LCD is completed. Then, through the corresponding trigger signal, the VCOM switch is turned to the Touch IC. At this time, it is necessary to send identification information to the Touch IC so that the Touch IC enters the LCD scanning intermittent area. When the Touch IC enters the LCD scanning interval, the Touch IC stops the Touch Sensor scanning and grounds the Touch Sensor, that is, the Touch IC provides the Touch Sensor with a voltage signal for electromagnetic shielding, and then drives the pressure detecting channel. Scan to prevent electromagnetic interference from the Touch Sensor to the common electrode layer, ensuring the accuracy of pressure detection. After the pressure detection is over, the Touch IC activates the Touch Sensor scan for touch detection. When the Touch Sensor scan is completed, the one-frame scanning process of the LCD is completed, and the next frame scan is entered. The LCD scanning intermittent area here is specifically an LCD frame scanning intermittent area.
圖9所示實施方式中，壓力檢測時序段處於兩LCD行顯示時序段之間。且觸控檢測時序段也處於兩LCD行顯示時序段之間。 In the embodiment shown in Figure 9, the pressure detection timing segment is between the two LCD line display timing segments. And the touch detection timing segment is also between the two LCD line display timing segments.
採用上述驅動方法驅動所述電子設備時，還可以掃描完一行柵極線以後便進行壓力檢測通道的掃描。即LCD掃描間歇區具體為LCD行掃描間歇區。 When the electronic device is driven by the above driving method, the scanning of the pressure detecting channel can be performed after scanning a row of gate lines. That is, the LCD scanning intermittent area is specifically an LCD line scanning intermittent area.
此時電子設備的掃描過程如圖10所示，圖10為本申請實施例提供的另一種電子設備的驅動方法的流程示意圖。 FIG. 10 is a schematic flowchart of a driving method of another electronic device according to an embodiment of the present disclosure.
在圖10所示驅動方法中，LCD一行掃描開始後，通過對應的觸發信號，使得VCOM開關打向LCD IC，開始LCD行掃描。此時所述LCD IC為公共電極層提供公共電壓信號。所述LCD行掃描中掃描LCD的一條柵極線。 In the driving method shown in FIG. 10, after the scanning of one line of the LCD starts, the VCOM switch is turned to the LCD IC through the corresponding trigger signal to start the LCD line scanning. At this time, the LCD IC supplies a common voltage signal to the common electrode layer. The LCD line scan scans one gate line of the LCD.
當完一次行掃描後，通過對應的觸發信號，使得VCOM開關打向Touch IC。此時，需要向Touch IC發送標識資訊，使得Touch IC進入掃描間歇區。當Touch IC進入掃描間歇區後，Touch IC停止Touch Sensor(觸控檢測電極)掃描，並將Touch Sensor置地，即Touch IC為Touch Sensor提供進行電磁遮罩的電壓信號，再驅動壓力檢測通道的掃描，以防止電磁信號對公共電極層的電磁干擾，保證壓力檢測的準確性。在壓力檢測結束後，Touch IC啟動TouchSensor掃描，以實現觸控檢測。當Touch Sensor掃描完成後，LCD的依次行掃描結束，進入下一行掃描。 After a line scan, the VCOM switch is turned to the Touch IC through the corresponding trigger signal. At this time, it is necessary to send identification information to the Touch IC so that the Touch IC enters the scanning intermittent area. When the Touch IC enters the scanning interval, the Touch IC stops the Touch Sensor scanning and grounds the Touch Sensor, that is, the Touch IC provides a voltage signal for the Touch Sensor to perform electromagnetic shielding, and then drives the scanning of the pressure detecting channel. In order to prevent electromagnetic interference of electromagnetic signals to the common electrode layer, the accuracy of pressure detection is ensured. After the pressure detection is over, the Touch IC starts the TouchSensor scan for touch detection. When the Touch Sensor scan is completed, the sequential scan of the LCD ends and the next line scans.
圖10所示實施方式中，壓力檢測時序段以及觸控檢測時序段均處於同一顯示時序段的間歇中。 In the embodiment shown in FIG. 10, the pressure detection timing segment and the touch detection timing segment are all in the interval of the same display timing segment.
圖9及圖10提供的實施例，均由LCD IC進行主控，即由LCD IC通知觸控及壓力檢測動作的開始。本案也可將系統主控權設置在Touch IC，由Touch IC發出停止LCD顯示掃描的時序，Touch IC把觸控檢測電極輸入電磁遮罩的信號，同時啟動壓力檢測的動作，輸入壓力檢測信號，進行壓力檢測。壓力檢測結束後，通知LCD IC重新開機顯 示掃描。 The embodiments provided in Figures 9 and 10 are both controlled by the LCD IC, that is, the LCD IC notifies the start of the touch and pressure detecting actions. In this case, the system master control can also be set in the Touch IC, and the Touch IC sends the timing of stopping the LCD display scanning. The Touch IC inputs the touch detection electrode into the electromagnetic mask signal, simultaneously starts the pressure detection action, and inputs the pressure detection signal. Perform pressure testing. After the pressure detection is over, notify the LCD IC to reboot. Show scan.
本技術方案也能用在AMOLED顯示裝置上。 The technical solution can also be used on an AMOLED display device.
通過上述描述可知，本申請實施例所述驅動方法通過分時驅動公共電極層，可以實現電子設備的壓力檢測功能，無需單獨添加壓力檢測感測器，驅動方法簡單，成本低。對所公開的實施例的上述說明，使本領域專業技術人員能夠實現或使用本發明。對這些實施例的多種修改對本領域的專業技術人員來說將是顯而易見的，本文中所定義的一般原理可以在不脫離本發明的精神或範圍的情況下，在其它實施例中實現。因此，本發明將不會被限制于本文所示的這些實施例，而是要符合與本文所公開的原理和新穎特點相一致的最寬的範圍。 It can be seen from the above description that the driving method in the embodiment of the present application can realize the pressure detecting function of the electronic device by driving the common electrode layer in a time-sharing manner, and it is not necessary to separately add the pressure detecting sensor, and the driving method is simple and the cost is low. The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments are obvious to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but the scope of the invention is to be accorded
10‧‧‧背光模組 10‧‧‧Backlight module
11‧‧‧安裝間隙 11‧‧‧Installation clearance
12‧‧‧第二偏光片 12‧‧‧Second polarizer
13‧‧‧陣列基板 13‧‧‧Array substrate
14‧‧‧公共電極層 14‧‧‧Common electrode layer
15‧‧‧液晶層 15‧‧‧Liquid layer
16‧‧‧彩膜基板 16‧‧‧Color film substrate
17‧‧‧觸控檢測電極 17‧‧‧Touch detection electrode
18‧‧‧第一偏光片 18‧‧‧First polarizer
19‧‧‧貼合膠 19‧‧‧Finishing glue
100‧‧‧蓋板 100‧‧‧ cover
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105108349A TWI595402B (en) | 2016-03-17 | 2016-03-17 | Electronic device and driving method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105108349A TWI595402B (en) | 2016-03-17 | 2016-03-17 | Electronic device and driving method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TWI595402B true TWI595402B (en) | 2017-08-11 |
| TW201810003A TW201810003A (en) | 2018-03-16 |
Family
ID=60189123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW105108349A TWI595402B (en) | 2016-03-17 | 2016-03-17 | Electronic device and driving method thereof |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI595402B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201227475A (en) * | 2010-12-31 | 2012-07-01 | Hong-Da Liu | Dual-mode touch sensor module and display |
| US20140008203A1 (en) * | 2012-07-05 | 2014-01-09 | Cambridge Touch Technologies, Ltd. | Pressure sensing display device |
| CN105068695A (en) * | 2015-09-11 | 2015-11-18 | 京东方科技集团股份有限公司 | Touch display panel with pressure detection function, display device and driving method |
| CN204965387U (en) * | 2015-10-15 | 2016-01-13 | 京东方科技集团股份有限公司 | Display device |
-
2016
- 2016-03-17 TW TW105108349A patent/TWI595402B/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201227475A (en) * | 2010-12-31 | 2012-07-01 | Hong-Da Liu | Dual-mode touch sensor module and display |
| US20140008203A1 (en) * | 2012-07-05 | 2014-01-09 | Cambridge Touch Technologies, Ltd. | Pressure sensing display device |
| CN105068695A (en) * | 2015-09-11 | 2015-11-18 | 京东方科技集团股份有限公司 | Touch display panel with pressure detection function, display device and driving method |
| CN204965387U (en) * | 2015-10-15 | 2016-01-13 | 京东方科技集团股份有限公司 | Display device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201810003A (en) | 2018-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI605369B (en) | Mutual capacitive force sensor and touch display device with force sensing function and force sensing method thereof | |
| US10459573B2 (en) | In-cell touch panel and display device | |
| KR101599072B1 (en) | Display device provided with touch sensor | |
| US9927908B2 (en) | In-cell touch panel and display device | |
| KR101608794B1 (en) | Touch display apparatus | |
| CN106020557B (en) | Touch display panel, driving method and touch display device | |
| US10031626B2 (en) | Display device with integrated touch screen | |
| US10067614B2 (en) | In-cell touch panel and display device | |
| US9830029B2 (en) | In-cell touch panel and display device | |
| KR101009672B1 (en) | Liquid Crystal Display Device Embedded Touch Panel Therein | |
| US9965111B2 (en) | In-cell touch screen and display apparatus | |
| WO2015180335A1 (en) | Embedded touchscreen and display device | |
| WO2015180356A1 (en) | Capacitive touch structure, embedded touchscreen, display device and scanning method therefor | |
| US9874970B2 (en) | Touch display device and driving method thereof | |
| WO2015113380A1 (en) | In cell touch panel and display device | |
| US9830028B2 (en) | In-cell touch panel with self-capacitive electrodes and display device | |
| KR20130116425A (en) | Flexible printed circuit for connecting touch screen and liquid crystal display using the same | |
| JP2013222421A (en) | Display device | |
| TWI626579B (en) | Display panel | |
| TWI639938B (en) | Touch display panel | |
| US10185423B2 (en) | Plug-in touch display device and an electronic device | |
| KR101816549B1 (en) | Touch display apparatus | |
| KR101729197B1 (en) | Touch display device | |
| US20160370913A1 (en) | Display apparatus, electronic apparatus and driving method | |
| JP5600197B2 (en) | Display device with touch sensor |