TWI667602B - Capacitive touchscreen and the driving method thereof - Google Patents

Capacitive touchscreen and the driving method thereof Download PDF

Info

Publication number
TWI667602B
TWI667602B TW107126566A TW107126566A TWI667602B TW I667602 B TWI667602 B TW I667602B TW 107126566 A TW107126566 A TW 107126566A TW 107126566 A TW107126566 A TW 107126566A TW I667602 B TWI667602 B TW I667602B
Authority
TW
Taiwan
Prior art keywords
light source
power supply
touch
data line
stack
Prior art date
Application number
TW107126566A
Other languages
Chinese (zh)
Other versions
TW202008134A (en
Inventor
林容甫
陳勇志
蘇松宇
張琬珩
Original Assignee
友達光電股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 友達光電股份有限公司 filed Critical 友達光電股份有限公司
Priority to TW107126566A priority Critical patent/TWI667602B/en
Priority to CN201811121688.3A priority patent/CN109062459B/en
Application granted granted Critical
Publication of TWI667602B publication Critical patent/TWI667602B/en
Publication of TW202008134A publication Critical patent/TW202008134A/en

Links

Classifications

    • 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
    • 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
    • G09G3/22—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
    • 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]

Abstract

一種電容觸控顯示裝置，其包括光源驅動疊層、至少一光源以及網印疊層。光源配置於光源驅動疊層上，而網印疊層再印刷於光源以及光源驅動疊層上。光源驅動疊層包括至少一光源開關、第一電源以及連接光源開關的閘極的資料線路。光源開關以及光源串聯在第一電源以及第二電源之間。網印疊層包括鄰近電容觸控顯示裝置的觸控表面的延伸導電層，其電性連接至第一電源或第二電源，位於觸控表面以及光源驅動疊層之間。第一電源、第二電源或資料線路輸出至少一觸控訊號來感測使用者接觸觸控表面的位置。亦提出一種電容觸控顯示裝置的驅動方法。 A capacitive touch display device includes a light source driving stack, at least one light source, and a screen printing stack. The light source is arranged on the light source driving stack, and the screen printing stack is printed on the light source and the light source driving stack. The light source driving stack includes at least one light source switch, a first power source, and a data line connected to the gate of the light source switch. The light source switch and the light source are connected in series between the first power source and the second power source. The screen printing stack includes an extended conductive layer adjacent to the touch surface of the capacitive touch display device, which is electrically connected to the first power supply or the second power supply, and is located between the touch surface and the light source driving stack. The first power source, the second power source, or the data line output at least one touch signal to sense the position where the user touches the touch surface. A driving method of a capacitive touch display device is also proposed.

Description

電容觸控顯示裝置及其驅動方法 Capacitive touch display device and its driving method

本發明有關於一種觸控裝置及其驅動方法；特別是有關於一種電容式觸控顯示裝置以及其驅動方法。 The invention relates to a touch device and a driving method thereof; in particular, to a capacitive touch display device and a driving method thereof.

在現有顯示科技的發展中，將發光二極體(Light Emitting Diode,LED)微小化的微型發光二極體(Micro LED)已經成為平面顯示技術中的主要發展題目之一。微型發光二極體不同於有機發光二極體，係由無機發光二極體為出發點而研發出的技術，其繼承了無機發光二極體的高效率、高亮度、高可靠度、高速反應時間等特點，同時也是不須額外背光光源的自發光顯示技術，在節省能量、縮小體積及厚度等特色上都有所幫助。 In the development of the existing display technology, the miniature light emitting diode (Micro LED) which has made the light emitting diode (Light Emitting Diode, LED) miniaturized has become one of the main development topics in the flat display technology. The miniature light-emitting diode is different from the organic light-emitting diode. It is a technology developed from the point of view of the inorganic light-emitting diode. It inherits the high efficiency, high brightness, high reliability, and high-speed response time of the inorganic light-emitting diode. Other features, such as self-luminous display technology without additional backlight, are helpful in saving energy, reducing volume and thickness.

儘管屬與自發光顯示技術的微型發光二極體顯示裝置可以省略背光模組的厚度，但是當此顯示裝置要結合例如是觸控功能的輸入技術時，則仍難免需要額外的觸控模組附加。具有觸控功能的高解析度輕薄平面顯示器一直是現在的顯示技術一直致力於發展的目標，如何製作一個可以減 少體積及厚度的顯示裝置仍是目前致力於發展的課題之一。 Although the thickness of the backlight module can be omitted for the miniature light-emitting diode display device belonging to the self-luminous display technology, when this display device is to incorporate an input technology such as a touch function, it is inevitable that an additional touch module is required Attached. The high-resolution thin and light flat-panel display with touch function has always been the development goal of the current display technology, how to make a A display device with a small volume and thickness is still one of the topics currently devoted to development.

本發明提出一種整合電容式觸控顯示裝置及其驅動方法，其可以降低因觸控功能所需的厚度以及電路複雜程度。 The invention provides an integrated capacitive touch display device and a driving method thereof, which can reduce the thickness and circuit complexity required for the touch function.

本發明的電容觸控顯示裝置包括光源驅動疊層、至少一光源以及網印疊層，光源配置於光源驅動疊層上，而網印疊層再印刷於光源以及光源驅動疊層上。光源驅動疊層包括至少一光源開關、第一電源以及連接光源開關的閘極的資料線路。光源開關以及光源串聯在第一電源以及第二電源之間。網印疊層包括鄰近電容觸控顯示裝置的觸控表面的延伸導電層，其電性連接至第一電源或第二電源，位於觸控表面以及光源驅動疊層之間。第一電源、第二電源或資料線路輸出至少一觸控訊號來感測使用者接觸觸控表面的位置。 The capacitive touch display device of the present invention includes a light source driving stack, at least one light source and a screen printing stack. The light source is disposed on the light source driving stack, and the screen printing stack is printed on the light source and the light source driving stack. The light source driving stack includes at least one light source switch, a first power source, and a data line connected to the gate of the light source switch. The light source switch and the light source are connected in series between the first power source and the second power source. The screen printing stack includes an extended conductive layer adjacent to the touch surface of the capacitive touch display device, which is electrically connected to the first power supply or the second power supply, and is located between the touch surface and the light source driving stack. The first power source, the second power source, or the data line output at least one touch signal to sense the position where the user touches the touch surface.

本發明驅動上述電容式觸控顯示裝置的方法，包括：於一顯示模式下，第一電源以及第二電源提供電力驅動光源，資料線路輸出訊號控制光源開關；以及於一觸控模式下，第一電源、第二電源或資料線路輸出觸控訊號來感測使用者接觸觸控表面的位置。 The method for driving the capacitive touch display device of the present invention includes: in a display mode, the first power supply and the second power supply provide power to drive the light source, the data line output signal controls the light source switch; and in a touch mode, the first A power supply, a second power supply, or a data line output touch signals to sense the position of the user touching the touch surface.

C1‧‧‧電容 C1‧‧‧Capacitance

119‧‧‧介電層 119‧‧‧dielectric layer

D1、D2‧‧‧汲極 D1, D2‧‧‧ji

1110‧‧‧導電層 1110‧‧‧conductive layer

Data1~Data3‧‧‧資料線路 Data1 ~ Data3‧‧‧Data line

1111‧‧‧平坦層 1111‧‧‧flat layer

DS‧‧‧觸控表面 DS‧‧‧Touch surface

120‧‧‧光源 120‧‧‧Light source

G1、G2‧‧‧閘極 G1, G2 ‧‧‧ gate

122、124‧‧‧接點 122, 124‧‧‧ contact

Gate1~Gate3‧‧‧閘極線路 Gate1 ~ Gate3‧‧‧Gate line

130‧‧‧網印疊層 130‧‧‧ Screen printing stack

S1、S2‧‧‧源極 S1, S2‧‧‧Source

131‧‧‧延伸導電層 131‧‧‧Extended conductive layer

SW1‧‧‧光源開關 SW1‧‧‧Light source switch

132‧‧‧透光填充層 132‧‧‧Transparent filling layer

SW2‧‧‧資料開關 SW2‧‧‧Data switch

TS1、TS2‧‧‧觸控訊號 TS1, TS2‧‧‧‧touch signal

Vdd1~Vdd3‧‧‧第一電源 Vdd1 ~ Vdd3‧‧‧First power supply

Vss1Vss3‧‧‧第二電源 Vss1Vss3‧‧‧second power supply

50‧‧‧接觸點 50‧‧‧Contact

100、200、300‧‧‧電容觸控顯示裝置 100, 200, 300 ‧‧‧ capacitive touch display device

110‧‧‧光源驅動疊層 110‧‧‧Layer driven stack

111‧‧‧基板 111‧‧‧ substrate

112A、112B‧‧‧畫素電路 112A, 112B ‧‧‧ pixel circuit

113‧‧‧導電層 113‧‧‧conductive layer

114‧‧‧遮光層 114‧‧‧ shading layer

115‧‧‧緩衝層 115‧‧‧Buffer layer

116、117‧‧‧半導體層 116, 117‧‧‧ semiconductor layer

118‧‧‧閘極絕緣層 118‧‧‧Gate insulation

圖1A是本發明第一實施例的電容觸控顯示裝置的剖面示意圖； 圖1B是對應至圖1A的電路示意圖；圖2A是本發明第二實施例的電容觸控顯示裝置的電路示意圖；圖2B是本發明第二實施例的電容觸控顯示裝置的訊號示意圖；圖3A是本發明第三實施例的電容觸控顯示裝置的電路示意圖；圖3B是本發明第三實施例的電容觸控顯示裝置的訊號示意圖。 1A is a schematic cross-sectional view of a capacitive touch display device according to a first embodiment of the invention; 1B is a circuit schematic diagram corresponding to FIG. 1A; FIG. 2A is a circuit schematic diagram of a capacitive touch display device according to a second embodiment of the present invention; FIG. 2B is a signal schematic diagram of a capacitive touch display device according to a second embodiment of the present invention; 3A is a circuit schematic diagram of a capacitive touch display device according to a third embodiment of the invention; FIG. 3B is a signal schematic diagram of a capacitive touch display device according to a third embodiment of the invention.

本發明所提出的電容觸控顯示裝置應用例如是無機的發光二極體(Light Emitting Diode,LED)等半導體光源的自體發光技術的顯示裝置，較佳為應用微型發光二極體(Micro LED)等自體發光技術的顯示裝置。本發明的電容觸控顯示裝置及其方法除了可以藉由上述的技術顯示高亮度、高解析度的畫面外，觸控功能所需的電極可以整合於顯示裝置中，可以在沒有大幅增加整體厚度的前提下提供觸控功能。 The capacitive touch display device proposed by the present invention is applied to display devices such as inorganic light emitting diodes (Light Emitting Diode, LED) and other self-luminous technology of semiconductor light sources, preferably using micro LEDs (Micro LED ) And other self-luminous technology display devices. The capacitive touch display device and method of the present invention can display high-brightness and high-resolution images by the above-mentioned technology, and the electrodes required for the touch function can be integrated into the display device, without significantly increasing the overall thickness Provide touch function under the premise of.

圖1A是本發明第一實施例的電容觸控顯示裝置的剖面示意圖，其中為了清楚說明此處特別繪示本實施例的電容觸控顯示裝置100中作為像素或子像素的光源及其相關的元件的剖面示意圖。換句話說，本發明的電容觸控顯示裝置100是由多個作為像素或子像素的光源120配合其所連接的光源開關SW1來選擇性發光並組成顯示畫面，而以下將詳細說明每個光源及其相關的元件來說明本發明所提出的技術特徵。 FIG. 1A is a schematic cross-sectional view of a capacitive touch display device according to a first embodiment of the present invention. For the sake of clear description, the capacitive touch display device 100 of this embodiment is specifically depicted as a pixel or sub-pixel light source and its related A schematic cross-sectional view of the device. In other words, the capacitive touch display device 100 of the present invention is composed of a plurality of light sources 120 as pixels or sub-pixels and the light source switch SW1 connected thereto to selectively emit light and form a display screen, and each light source will be described in detail below And related elements to illustrate the technical features of the present invention.

請參照圖1A，在本發明的第一實施例中，電容觸控顯示裝置100包括光源驅動疊層110、光源120以及網印疊層130，其中光源驅動疊層110是 由光學蝕刻形成，而網印疊層130是經由網版印刷於光源120以及光源驅動疊層110上。具體而言，光源120較佳為Micro LED，由於Micro LED底層的驅動電路可以以薄膜電晶體(Thin Film Transistor,TFT)、金屬氧化半導體場效電晶體(Metal-Oxide-Semiconductor Filed-Effect Transistor,MOSFET)、LTPS(Low Temperature Poly-silicon)或其他適用于開關功能的裝置，因此本實施例的電容觸控顯示裝置100的光源驅動疊層110可以是經由黃光製程製作，然而本發明並不限於光源驅動疊層110的製作方法。 1A, in the first embodiment of the present invention, the capacitive touch display device 100 includes a light source driving stack 110, a light source 120, and a screen printing stack 130, wherein the light source driving stack 110 is It is formed by optical etching, and the screen printing stack 130 is printed on the light source 120 and the light source driving stack 110 via screen printing. Specifically, the light source 120 is preferably a Micro LED, because the driving circuit of the bottom layer of the Micro LED can be a thin film transistor (Thin Film Transistor, TFT), a metal oxide semiconductor field effect transistor (Metal-Oxide-Semiconductor Filed-Effect Transistor, MOSFET), LTPS (Low Temperature Poly-silicon) or other devices suitable for switching functions, so the light source driving stack 110 of the capacitive touch display device 100 of this embodiment may be manufactured by a yellow light process, but the present invention does not It is limited to the manufacturing method of the light source driving stack 110.

圖1B是圖1A的電路示意圖。請一併參照圖1B，本實施例的光源驅動疊層110包括光源開關SW1、第一電源Vdd1以及第二電源Vss1，光源開關SW1例如是電晶體，較佳為薄膜電晶體(Thin-Film Transistor,TFT)，在本發明其他實施例中更可以是金氧半場效半導體(Metal-Oxide-Semiconductor Field-Effect Transistor)、n通道金氧半場效電晶體(n-channel MOSFET,NMOS)、LTPS，本發明不限於電晶體的種類。光源120配置於光源驅動疊層110上，且光源120與光源開關SW1串聯於第一電源Vdd1與第二電源Vss1之間。光源驅動疊層110還包括資料線路Data1，光源開關SW1的閘極G1可以接受來自資料線路Data1的訊號。 FIG. 1B is a schematic circuit diagram of FIG. 1A. 1B, the light source driving stack 110 of this embodiment includes a light source switch SW1, a first power source Vdd1 and a second power source Vss1. The light source switch SW1 is, for example, a transistor, preferably a thin-film transistor (Thin-Film Transistor) , TFT), in other embodiments of the present invention, it may be a metal-oxide field semiconductor (Metal-Oxide-Semiconductor Field-Effect Transistor), an n-channel MOSFET (N-channel MOSFET, NMOS), LTPS, The invention is not limited to the types of transistors. The light source 120 is disposed on the light source driving stack 110, and the light source 120 and the light source switch SW1 are connected in series between the first power supply Vdd1 and the second power supply Vss1. The light source driving stack 110 further includes a data line Data1, and the gate G1 of the light source switch SW1 can receive the signal from the data line Data1.

在本實施例中，第一電源Vdd1例如是作為電力輸入的線路，第二電源Vss1例如是作為接地的線路。光源開關SW1可以控制光源120是否自第一電源Vdd1接受電力訊號，而資料線路Data1的訊號控制光源開關SW1。 In the present embodiment, the first power supply Vdd1 is, for example, a line to which power is input, and the second power supply Vss1 is, for example, a line to be grounded. The light source switch SW1 can control whether the light source 120 receives the power signal from the first power source Vdd1, and the signal of the data line Data1 controls the light source switch SW1.

請參照圖1A，網印疊層130印刷於光源120以及光源驅動疊層110上，且網印疊層130包括延伸導電層131。延伸導電層131電性連接至上述提 供電力訊號的第一電源Vdd1或第二電源Vss1。舉例而言，本實施例的延伸導電層131例如連接至光源120和光源開關SW1之間，亦即連接至第一電源Vdd1，且延伸導電層131鄰近電容觸控顯示裝置100的觸控表面DS(亦即遠離電容觸控顯示裝置100的基板111的一面)。 Referring to FIG. 1A, the screen printing stack 130 is printed on the light source 120 and the light source driving stack 110, and the screen printing stack 130 includes an extended conductive layer 131. The extended conductive layer 131 is electrically connected to the above mentioned The first power supply Vdd1 or the second power supply Vss1 for power signals. For example, the extended conductive layer 131 of this embodiment is connected between the light source 120 and the light source switch SW1, that is, to the first power supply Vdd1, and the extended conductive layer 131 is adjacent to the touch surface DS of the capacitive touch display device 100 (That is, the side away from the substrate 111 of the capacitive touch display device 100).

當使用者接觸觸控表面DS的接觸點50時，延伸導電層131可以更有效的讓使用者在接觸點50產生的電容耦合效應(Capacitive Coupling Effect)影響在第一電源Vdd1或第二電源Vss1的電容變化。具體而言，本實施例的電容觸控顯示裝置100可以以顯示模式或觸控模式驅動。 When the user touches the contact point 50 of the touch surface DS, the extended conductive layer 131 can more effectively allow the user to effect the capacitive coupling effect (Capacitive Coupling Effect) generated at the contact point 50 on the first power supply Vdd1 or the second power supply Vss1 The capacitance changes. Specifically, the capacitive touch display device 100 of this embodiment may be driven in a display mode or a touch mode.

在顯示模式下，第一電源Vdd1、第二電源Vss1之間傳遞的電力可以驅動光源120，再搭配來自資料線路Data1的訊號的切換來發出一像素或子像素所需的光，進而組成一顯示畫面；在觸控模式下，第一電源Vdd1、第二電源Vss1或資料線路Data1則用以傳遞一觸控訊號來感測使用者接觸觸控表面DS的位置(例如接觸點50)。 In the display mode, the power transmitted between the first power supply Vdd1 and the second power supply Vss1 can drive the light source 120, and in conjunction with the switching of the signal from the data line Data1 to emit the light required by a pixel or sub-pixel, thereby forming a display In the touch mode, the first power supply Vdd1, the second power supply Vss1 or the data line Data1 is used to transmit a touch signal to sense the position where the user touches the touch surface DS (eg, contact point 50).

請再參照圖1B，由於第一電源Vdd1和第二電源Vss1的延伸方向垂直於資料線路Data1的延伸方向，因此不論是以自容式(Self Capacitance)觸控或互容式(Mutual Capacitance)觸控，第一電源Vdd1、第二電源Vss1和資料線路Data1都可以作為適當的觸控電極，且延伸導電層131還可以進一步提昇觸控訊號的偵測靈敏度。 1B, since the extending direction of the first power supply Vdd1 and the second power supply Vss1 is perpendicular to the extending direction of the data line Data1, whether it is a self-capacitance (Self Capacitance) touch or a mutual capacitance (Mutual Capacitance) touch The first power supply Vdd1, the second power supply Vss1 and the data line Data1 can all be used as appropriate touch electrodes, and the extended conductive layer 131 can further improve the detection sensitivity of the touch signal.

由於本實施例的電容觸控顯示裝置100具有上述的觸控模式及顯示模式，可以提供具有觸控功能的顯示畫面。同時，觸控模式下所需的感測電極與顯示模式下所需的電極彼此整合，可以降低電路上的複雜度以及 整體的厚度，進而提供更輕薄的體積。以下將進一步說明本發明實施例所提出的其他元件及其所提供的功效。 Since the capacitive touch display device 100 of this embodiment has the above-mentioned touch mode and display mode, a display screen with a touch function can be provided. At the same time, the sensing electrodes required in the touch mode and the electrodes required in the display mode are integrated with each other, which can reduce the complexity of the circuit and The overall thickness, in turn, provides a thinner and lighter volume. The following further describes other elements proposed by the embodiments of the present invention and their provided functions.

請參照圖1A，在本實施例中，電容觸控顯示裝置100的網印疊層130還包括透光填充層132，透光填充層132例如是由透明的材料形成，較佳為藉由網印形成的透光填充層132。透光填充層132可以在光源驅動疊層110以及光源120上填充斷差，藉以填補光源120在光源驅動疊層110上形成的高度落差，並提供一個平面形成延伸導電層131。同時，本實施例的透光填充層132形成有接觸孔，延伸導電層131自靠近觸控表面DS的一側經接觸孔穿過透光填充層132與上述第二電源Vss1連接。在其他實施例中延伸導電層131亦可以與上述第一電源Vdd1連接。 Please refer to FIG. 1A. In this embodiment, the screen printing stack 130 of the capacitive touch display device 100 further includes a light-transmitting filling layer 132. The light-transmitting filling layer 132 is formed of a transparent material, for example, preferably by a mesh.印 形成 的 光 填 填 层 132。 The transparent filling layer 132 formed by printing. The light-transmissive filling layer 132 can fill the gap between the light source driving stack 110 and the light source 120 to fill the height difference formed by the light source 120 on the light source driving stack 110, and provide a plane to form the extended conductive layer 131. Meanwhile, the transparent filling layer 132 of this embodiment is formed with a contact hole, and the extended conductive layer 131 is connected to the second power source Vss1 through the transparent filling layer 132 from the side close to the touch surface DS through the contact hole. In other embodiments, the extended conductive layer 131 may also be connected to the first power supply Vdd1.

延伸導電層131為透光電極，較佳為透明電極，其材質可以例如是ITO、PEDOT、CNT等透明導電膜或奈米銀等透明金屬導電材料。延伸導電層131與透明填充層132都可以藉由網版印刷形成於光源驅動疊層110，其中延伸導電層131較佳經由高精度網版印刷以精密度落在例如是10至30微米(micro meter,μm)的製作方式形成高精密度的觸控電極形狀，藉以提昇電容觸控的感測靈敏度。 The extended conductive layer 131 is a light-transmitting electrode, preferably a transparent electrode, and its material may be, for example, a transparent conductive film such as ITO, PEDOT, CNT, or a transparent metal conductive material such as nano silver. Both the extended conductive layer 131 and the transparent filling layer 132 can be formed on the light source driving stack 110 by screen printing, wherein the extended conductive layer 131 is preferably subjected to high-precision screen printing with a precision of, for example, 10 to 30 microns (micro meter, μm) to form a high-precision touch electrode shape to improve the sensitivity of capacitive touch sensing.

本實施例的電容觸控顯示裝置100還包括畫素電路112A、112B，光源120透過畫素電路112A連接至形成源極S1的導電層113來接收電力訊號。詳細而言，畫素電路112A在光源驅動疊層110上作為接點供光源120的接點124連接，畫素電路112B可以延伸至連接到上述第二電源Vss1的導電層(未繪示)，並作為接點供光源120的接點122連接，藉以提供光源120一個連 接介面。 The capacitive touch display device 100 of this embodiment further includes pixel circuits 112A and 112B. The light source 120 is connected to the conductive layer 113 forming the source S1 through the pixel circuit 112A to receive power signals. In detail, the pixel circuit 112A is used as a contact on the light source driving stack 110 for the contact 124 of the light source 120 to be connected, and the pixel circuit 112B can be extended to a conductive layer (not shown) connected to the second power supply Vss1, And as a contact point for the light source 120 to connect the contact 122, thereby providing the light source 120 with a connection Access interface.

請再參照圖1A，詳細而言，本實施例的光源驅動疊層110例如是由七道黃光製程完成，光源驅動疊層110包括遮光層114、遮光層114上的緩衝層115、材料例如為多晶矽的半導體層116、117、閘極絕緣層118、導電層113、介電層119、導電層1110、以及平坦層1111。上述這些元件可以經由黃光製程完成，接著利用例如是基板間的轉移方法(Transfer-bonding)將例如為Micro LED的光源120連接在光源驅動疊層上。由於Micro LED 120可以經由無機材料完成，具有耐高溫的特性，因此上述的網印疊層130才可以進一步網印於光源驅動疊層110以及光源120上方。 Please refer to FIG. 1A again. In detail, the light source driving stack 110 of this embodiment is completed by, for example, seven yellow light manufacturing processes. The semiconductor layers 116 and 117 of polysilicon, the gate insulating layer 118, the conductive layer 113, the dielectric layer 119, the conductive layer 1110, and the flat layer 1111. The above-mentioned components can be completed through a yellow light process, and then a light source 120 such as a Micro LED is connected to the light source driving stack by using a transfer-bonding method, for example. Since the Micro LED 120 can be completed through an inorganic material and has high temperature resistance, the above screen printing stack 130 can be further screen printed on the light source driving stack 110 and the light source 120.

另一方面，請一併參照圖1B，本實施例的光源驅動疊層110還包括資料開關SW2，資料線路Data1輸出訊號至資料開關SW2的汲極D2，資料開關SW2的源極S2與光源開關SW1的閘極G1連接。光源驅動疊層110還包括閘極線路Gate1，資料開關SW2的閘極G2與閘極線路Gate1連接，且光源驅動疊層110還包括電容C1，用以維持光源120的電位差。換句話說，本實施例的光源120係以2T1C的電路驅動，且其中資料線路Data1、第一電源Vss1以及第二電源Vdd1還可以作為電容式觸控的感應電極。以下將進一步依據上述的電路及元件設計說明本發明所提出的驅動方式在不同實施例中的實施方式。 On the other hand, please refer to FIG. 1B together. The light source driving stack 110 of this embodiment further includes a data switch SW2, the data line Data1 outputs a signal to the drain D2 of the data switch SW2, the source S2 of the data switch SW2 and the light source switch The gate G1 of SW1 is connected. The light source driving stack 110 further includes a gate line Gate1, the gate G2 of the data switch SW2 is connected to the gate line Gate1, and the light source driving stack 110 further includes a capacitor C1 to maintain the potential difference of the light source 120. In other words, the light source 120 of this embodiment is driven by a 2T1C circuit, and the data line Data1, the first power supply Vss1, and the second power supply Vdd1 can also be used as sensing electrodes for capacitive touch. The implementation of the driving method proposed by the present invention in different embodiments will be further described below based on the above circuit and device design.

請參照圖2A，在本發明的第二實施例中，電容觸控顯示裝置200類似於上述的電容觸控顯示裝置100，並在觸控模式下例如是由多條第一電源Vdd2以及第二電源Vss2輸出觸控訊號，並藉由多條資料線Data2接收訊 號，亦即藉由測量第一電源Vdd2和資料線Data2之間的互電容變化來感測使用者接觸電容觸控顯示裝置200的觸控表面的位置(本發明並不限於第一電源和資料線或第二電源和資料線之間的互電容感應，本實施例以第一電源和資料線的互電容感應為例)。 2A, in the second embodiment of the present invention, the capacitive touch display device 200 is similar to the capacitive touch display device 100 described above, and in the touch mode, for example, a plurality of first power supplies Vdd2 and second The power supply Vss2 outputs touch signals and receives signals through multiple data lines Data2 No., that is, by measuring the mutual capacitance change between the first power supply Vdd2 and the data line Data2 to sense the position of the user touching the touch surface of the capacitive touch display device 200 (the present invention is not limited to the first power supply and data Mutual capacitance sensing between the power line or the second power supply and the data line. In this embodiment, the mutual capacitance sensing between the first power supply and the data line is used as an example).

請一併參照圖2B所繪示的對應至圖2A的訊號示意圖，其中Gate2n至Gate2n+2是電容觸控顯示裝置200依序在每個閘極線路Gate2輸出的閘極訊號，Data2n為資料線路Data2輸出的訊號，Vdd2n為第一電源Vdd2輸出的訊號，Vss2n為第二電源Vss2輸出的訊號。 Please also refer to the signal schematic diagram corresponding to FIG. 2A shown in FIG. 2B, where Gate2n to Gate2n + 2 are the gate signals output by the capacitive touch display device 200 in each gate line Gate2 in sequence, and Data2n is the data line The signal output by Data2, Vdd2n is the signal output by the first power supply Vdd2, and Vss2n is the signal output by the second power supply Vss2.

在顯示階段Display 1時，資料線路Data2依序依照這些閘極線路Gate2所開啟的像素輸出資料訊號以顯示畫面；在觸控階段Touch 1時，第一電源Vdd2以及第二電源Vss2輸出觸控訊號TS1來感測使用者接觸觸控表面的位置；其中觸控訊號TS1為交流訊號，且第一電源Vdd2以及第二電源Vss2的震盪頻率彼此同步。因此，當電容觸控顯示裝置200在觸控階段時，不但可以感測使用者接觸觸控表面的位置，還可以避免因觸控信號TS1所產生的畫面閃爍。 In the display stage Display 1, the data line Data2 sequentially outputs data signals according to the pixels turned on by the gate lines Gate2 to display the screen; in the touch stage Touch 1, the first power supply Vdd2 and the second power supply Vss2 output touch signals TS1 senses the position where the user touches the touch surface; where the touch signal TS1 is an AC signal, and the oscillation frequencies of the first power supply Vdd2 and the second power supply Vss2 are synchronized with each other. Therefore, when the capacitive touch display device 200 is in the touch stage, it can not only sense the position where the user touches the touch surface, but also avoid the flickering of the screen caused by the touch signal TS1.

本發明並不限於上述藉由感測互電容變化的觸控感測方式，在其他實施例中，上述的電容觸控顯示裝置200亦可以在由第一電源Vdd2、第二電源Vss2輸出觸控訊號TS1時，藉由感測第一電源Vdd2或第二電源Vss2的電容變化所造成的電訊號，以及感測資料線路Data2的電容變化所造成的電訊號來感測使用者接觸電容觸控顯示裝置200的觸控表面的位置。換句話 說，觸控訊號TS1為交流訊號，且第一電源Vdd2以及第二電源Vss2以相同的頻率及相位各自輸出觸控訊號TS1，本發明所提出的驅動方式在觸控模式下亦可以由第一電源Vdd2以及第二電源Vss2同步輸出觸控訊號，並藉由自電容觸控感測方式感應使用者接觸電容觸控顯示裝置200的觸控表面的位置。 The present invention is not limited to the above-mentioned touch sensing method by sensing mutual capacitance changes. In other embodiments, the above capacitive touch display device 200 can also output touches from the first power supply Vdd2 and the second power supply Vss2 During the signal TS1, the user touches the capacitive touch display by sensing the electrical signal caused by the capacitance change of the first power supply Vdd2 or the second power supply Vss2 and the electrical signal caused by the capacitance change of the data line Data2 The location of the touch surface of the device 200. In other words In other words, the touch signal TS1 is an AC signal, and the first power supply Vdd2 and the second power supply Vss2 each output the touch signal TS1 at the same frequency and phase. The driving method proposed by the present invention can also be controlled by the first in the touch mode. The power supply Vdd2 and the second power supply Vss2 simultaneously output touch signals, and sense the position where the user touches the touch surface of the capacitive touch display device 200 by self-capacitance touch sensing.

另一方面，在顯示裝置200的可視區之外，第一電源Vdd2、第二電源Vss2以及資料線路Data2還可以是以成束的多條走線(Cluster trace)各自延伸至各個顯示像素，因此在觸控階段可以同時以多條第一電源Vdd2、第二電源Vss2或資料線路Data2感測電容變化並調整觸控的解析度。 On the other hand, outside the viewable area of the display device 200, the first power supply Vdd2, the second power supply Vss2, and the data line Data2 can also be extended to each display pixel by cluster traces (Cluster trace), so In the touch stage, multiple first power supply Vdd2, second power supply Vss2 or data line Data2 can be used to sense the capacitance change and adjust the resolution of touch.

請參照圖3A，在本發明的第三實施例中，電容觸控顯示裝置300類似於上述的電容觸控顯示裝置100，並在觸控模式下例如是由多條資料線Data3輸出觸控訊號，並藉由多條第一電源Vdd3或第二電源Vss3接收訊號，亦即藉由測量第一電源Vdd3和資料線Data3之間的互電容變化來感測使用者接觸電容觸控顯示裝置300的觸控表面的位置(本發明並不限於第一電源和資料線或第二電源和資料線之間的互電容感應，本實施例以第一電源和資料線的互電容感應為例)。 3A, in the third embodiment of the present invention, the capacitive touch display device 300 is similar to the capacitive touch display device 100 described above, and in the touch mode, for example, multiple data lines Data3 output touch signals , And receive signals by multiple first power supply Vdd3 or second power supply Vss3, that is, by sensing the change in mutual capacitance between the first power supply Vdd3 and the data line Data3 to sense the user ’s contact with the capacitive touch display device 300 The position of the touch surface (the present invention is not limited to the mutual capacitance sensing between the first power supply and the data line or the second power supply and the data line. In this embodiment, the mutual capacitance sensing of the first power supply and the data line is used as an example).

請一併參照圖3B所繪示的對應至圖3A的訊號示意圖，其中Gate3n至Gate3n+2是電容觸控顯示裝置300依序在每個閘極線路Gate3輸出的閘極訊號，Data3n為資料線路Data3輸出的訊號，Vdd3n為第一電源Vdd3輸出的訊號，Vss3n為第二電源Vss3輸出的訊號。 Please also refer to the signal schematic diagram corresponding to FIG. 3A shown in FIG. 3B, where Gate3n to Gate3n + 2 are the gate signals output by the capacitive touch display device 300 in sequence for each gate line Gate3, and Data3n is the data line The signal output by Data3, Vdd3n is the signal output by the first power supply Vdd3, and Vss3n is the signal output by the second power supply Vss3.

在顯示階段Display 2時，資料線路Data3依序依照這些閘極線路Gate3所開啟的像素輸出資料訊號以顯示畫面； 在觸控階段Touch 2時，資料線路Data3輸出觸控訊號TS2來感測使用者接觸觸控表面的位置；其中觸控訊號TS2為交流訊號。因此，當電容觸控顯示裝置200在觸控階段時，可以藉由資料線路Data3所輸出的觸控訊號TS2感測使用者的接觸位置。 In the display stage Display 2, the data line Data3 sequentially outputs data signals according to the pixels opened by these gate lines Gate3 to display the screen; In the touch stage Touch 2, the data line Data3 outputs a touch signal TS2 to sense the position where the user touches the touch surface; where the touch signal TS2 is an AC signal. Therefore, when the capacitive touch display device 200 is in the touch stage, the touch position of the user can be sensed by the touch signal TS2 output by the data line Data3.

本發明並不限於上述藉由感測互電容變化的觸控感測方式，在其他實施例中，上述的電容觸控顯示裝置300亦可以在由資料線路Data3輸出觸控訊號TS2時，藉由感測第一電源Vdd3或第二電源Vss3的電容變化所造成的電訊號，以及感測資料線路Data3的電容變化所造成的電訊號來感測使用者接觸電容觸控顯示裝置300的觸控表面的位置。換句話說，本發明所提出的驅動方式在觸控模式下亦可以由資料線路Data3輸出觸控訊號，並藉由自電容觸控感測方式感應使用者接觸電容觸控顯示裝置300的觸控表面的位置。 The present invention is not limited to the above-mentioned touch sensing method by sensing mutual capacitance changes. In other embodiments, the above capacitive touch display device 300 may also output the touch signal TS2 through the data line Data3 by Sensing the electrical signal caused by the capacitance change of the first power supply Vdd3 or the second power supply Vss3, and sensing the electrical signal caused by the capacitance change of the data line Data3 to sense the user touching the touch surface of the capacitive touch display device 300 s position. In other words, the driving method proposed by the present invention can also output a touch signal from the data line Data3 in the touch mode, and sense the user's touch on the capacitive touch display device 300 by self-capacitive touch sensing The location of the surface.

綜上所述，本發明所提出的電容觸控顯示裝置可以以不同的模式驅動，在顯示模式以及觸控模式之間的切換下提供具有觸控功能的顯示畫面。同時，由於本發明所提出的電容觸控顯示裝置可以將觸控功能所需的電路整合於驅動每個像素的光源的光源驅動疊層中，可以降低整體的電路複雜度、體積、以及厚度，提供一個輕薄的觸控顯示裝置。 In summary, the capacitive touch display device proposed by the present invention can be driven in different modes, and provides a display screen with a touch function under the switch between the display mode and the touch mode. At the same time, since the capacitive touch display device proposed by the present invention can integrate the circuits required for the touch function into the light source driving stack for driving the light source of each pixel, the overall circuit complexity, volume, and thickness can be reduced. Provide a thin and light touch display device.

Claims (12)

一種電容觸控顯示裝置，包括：一光源驅動疊層，包括：至少一光源開關；一第一電源；一第二電源；以及一資料線路；至少一光源，配置於該光源驅動疊層上，該光源與該光源開關串聯於該第一電源與該第二電源之間，該光源開關的閘極連接至該資料線路；以及一網印疊層，印刷於該光源以及該光源驅動疊層上，該網印疊層包括：一延伸導電層，電性連接至該第一電源或該第二電源，該延伸導電層鄰近該電容觸控顯示裝置的觸控表面，並位於該觸控表面以及該光源驅動疊層之間；其中該第一電源、該第二電源或該資料線路輸出至少一觸控訊號來感測使用者接觸該觸控表面的位置。A capacitive touch display device includes: a light source driving stack, including: at least one light source switch; a first power source; a second power source; and a data line; at least one light source, disposed on the light source driving stack, The light source and the light source switch are connected in series between the first power source and the second power source, the gate of the light source switch is connected to the data line; and a screen printing stack printed on the light source and the light source driving stack , The screen printing stack includes: an extended conductive layer electrically connected to the first power source or the second power source, the extended conductive layer is adjacent to the touch surface of the capacitive touch display device, and is located on the touch surface and The light source drives between the stacks; wherein the first power supply, the second power supply, or the data line outputs at least one touch signal to sense the position of the user touching the touch surface. 如申請專利範圍第1項所述的電容觸控顯示裝置，其中該網印疊層還包括：一透光填充層，填充於該光源驅動疊層上並覆蓋該光源，其中該透光填充層形成有接觸孔，該延伸導電層自靠近該觸控表面的一側經該接觸孔穿過該透光填充層與該第一電源或該第二電源電性連接。The capacitive touch display device as described in item 1 of the patent application range, wherein the screen printing stack further comprises: a light-transmitting filling layer, which is filled on the light source driving stack and covering the light source, wherein the light-transmitting filling layer A contact hole is formed, and the extended conductive layer is electrically connected to the first power source or the second power source through the light-transmissive filling layer from the side close to the touch surface through the contact hole. 如申請專利範圍第1項所述的電容觸控顯示裝置，其中該光源驅動疊層由光學蝕刻形成，該網印疊層經由網版印刷於該光源以及該光源驅動疊層上。The capacitive touch display device as described in item 1 of the patent application range, wherein the light source driving stack is formed by optical etching, and the screen printing stack is printed on the light source and the light source driving stack via screen printing. 如申請專利範圍第1項所述的電容觸控顯示裝置，其中該光源驅動疊層還包括：一畫素電路，該光源透過該畫素電路與該光源開關連接，且該延伸導電層透過該畫素電路與該第一電源或該第二電源連接。The capacitive touch display device as described in item 1 of the patent application range, wherein the light source driving stack further includes: a pixel circuit, the light source is connected to the light source switch through the pixel circuit, and the extended conductive layer passes through the The pixel circuit is connected to the first power supply or the second power supply. 如申請專利範圍第1項所述的電容觸控顯示裝置，其中該光源驅動疊層還包括：至少一資料開關，該資料線路輸出訊號至該資料開關的汲極；以及一閘極線路，連接該資料開關的閘極。The capacitive touch display device as described in item 1 of the patent scope, wherein the light source driving stack further includes: at least one data switch, the data line outputs a signal to the drain of the data switch; and a gate line, connected The gate of the data switch. 如申請專利範圍第1項所述的電容觸控顯示裝置，還包括：複數個像素，該複數個像素中之每一像素包括：該光源；以及該光源開關。The capacitive touch display device as described in item 1 of the patent scope, further includes: a plurality of pixels, each pixel of the plurality of pixels includes: the light source; and the light source switch. 一種驅動如申請專利範圍第1至6項其中任一項所述的電容觸控顯示裝置的方法，包括：於一顯示模式下，該第一電源以及該第二電源提供電力驅動該光源，該資料線路輸出訊號控制該光源開關；以及於一觸控模式下，該第一電源、該第二電源或該資料線路輸出該觸控訊號來感測該使用者接觸該觸控表面的位置。A method for driving a capacitive touch display device as described in any one of claims 1 to 6 includes: in a display mode, the first power supply and the second power supply provide power to drive the light source, the The data line output signal controls the light source switch; and in a touch mode, the first power source, the second power source, or the data line outputs the touch signal to sense the position where the user contacts the touch surface. 如申請專利範圍第7項所述的驅動方法，該第一電源以及該第二電源同時輸出該觸控訊號；當該使用者接觸該觸控表面時，根據該第一電源或該第二電源因一電容變化所改變的電訊號以及該資料線路因該電容變化所改變的電訊號提供該使用者接觸該觸控表面的位置。According to the driving method described in item 7 of the patent application scope, the first power supply and the second power supply simultaneously output the touch signal; when the user touches the touch surface, according to the first power supply or the second power supply The electrical signal changed by a capacitance change and the electrical signal changed by the data line due to the capacitance change provide the position where the user contacts the touch surface. 如申請專利範圍第7項所述的驅動方法，該第一電源以及該第二電源同時輸出該觸控訊號；當該使用者接觸該觸控表面時，根據該第一電源或該第二電源的其中之一與該資料線路因互電容變化所改變的電訊號提供該使用者接觸該觸控表面的位置。According to the driving method described in item 7 of the patent application scope, the first power supply and the second power supply simultaneously output the touch signal; when the user touches the touch surface, according to the first power supply or the second power supply One of the and the data signal that the data line changes due to the change in mutual capacitance provides the position where the user contacts the touch surface. 如申請專利範圍第8或9項所述的驅動方法，其中該觸控訊號為交流訊號，且該第一電源以及該第二電源以相同的頻率及相位各自輸出該觸控訊號。The driving method as described in item 8 or 9 of the patent application scope, wherein the touch signal is an AC signal, and the first power supply and the second power supply each output the touch signal at the same frequency and phase. 如申請專利範圍第7項所述的驅動方法，其中於該觸控模式下，該資料線路傳輸該觸控訊號；當該使用者接觸該觸控表面時，根據該第一電源或該第二電源因自電容變化所改變的電訊號以及該資料線路因自電容變化所改變的電訊號提供該使用者接觸該觸控表面的位置。The driving method as described in item 7 of the patent application scope, wherein in the touch mode, the data line transmits the touch signal; when the user touches the touch surface, according to the first power supply or the second The electrical signal changed by the power source due to the change in self capacitance and the electrical signal changed by the data line due to the change in self capacitance provide the position where the user contacts the touch surface. 如申請專利範圍第7項所述的驅動方法，其中於該觸控模式下，該資料線路傳輸該觸控訊號；當該使用者接觸該觸控表面時，根據該第一電源或該第二電源的其中之一與該資料線路因互電容變化所改變的電訊號提供該使用者接觸該觸控表面的位置。The driving method as described in item 7 of the patent application scope, wherein in the touch mode, the data line transmits the touch signal; when the user touches the touch surface, according to the first power supply or the second The electrical signal changed by one of the power source and the data line due to the change in mutual capacitance provides the position where the user contacts the touch surface.
TW107126566A 2018-07-31 2018-07-31 Capacitive touchscreen and the driving method thereof TWI667602B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW107126566A TWI667602B (en) 2018-07-31 2018-07-31 Capacitive touchscreen and the driving method thereof
CN201811121688.3A CN109062459B (en) 2018-07-31 2018-09-26 Capacitive touch display device and driving method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW107126566A TWI667602B (en) 2018-07-31 2018-07-31 Capacitive touchscreen and the driving method thereof

Publications (2)

Publication Number Publication Date
TWI667602B true TWI667602B (en) 2019-08-01
TW202008134A TW202008134A (en) 2020-02-16

Family

ID=64765683

Family Applications (1)

Application Number Title Priority Date Filing Date
TW107126566A TWI667602B (en) 2018-07-31 2018-07-31 Capacitive touchscreen and the driving method thereof

Country Status (2)

Country Link
CN (1) CN109062459B (en)
TW (1) TWI667602B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110010021A (en) * 2019-04-26 2019-07-12 京东方科技集团股份有限公司 Inorganic light-emitting diode display base plate, display device and driving method
CN111857395A (en) 2019-04-30 2020-10-30 群创光电股份有限公司 Touch display device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201423242A (en) * 2012-12-10 2014-06-16 Luxvue Technology Corp Active matrix emissive micro LED display
US20140240618A1 (en) * 2013-02-22 2014-08-28 Nthdegree Technologies Worldwide Inc. Integrated capacitive touch screen and led layer
TW201515262A (en) * 2013-06-17 2015-04-16 樂福科技股份有限公司 Reflective bank structure and method for integrating a light emitting device
CN206348772U (en) * 2016-12-30 2017-07-21 信利（惠州）智能显示有限公司 Touch display unit
CN107230434A (en) * 2016-03-21 2017-10-03 三星显示有限公司 Display device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI223116B (en) * 2000-09-19 2004-11-01 Au Optronics Corp Liquid crystal display (LCD) device with a built-in touch panel and the manufacturing process thereof
CN102662527B (en) * 2010-12-22 2015-08-26 剑扬股份有限公司 Touch-control sensing display device
US10133426B2 (en) * 2015-06-18 2018-11-20 X-Celeprint Limited Display with micro-LED front light
CN107799547A (en) * 2016-08-31 2018-03-13 群创光电股份有限公司 Organic Light Emitting Diode touch control display apparatus
CN107168589B (en) * 2017-07-20 2020-09-18 上海天马微电子有限公司 Display substrate, manufacturing method thereof, display panel and display device
CN107479757B (en) * 2017-08-25 2020-07-14 上海天马微电子有限公司 Display panel and display device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201423242A (en) * 2012-12-10 2014-06-16 Luxvue Technology Corp Active matrix emissive micro LED display
US20140240618A1 (en) * 2013-02-22 2014-08-28 Nthdegree Technologies Worldwide Inc. Integrated capacitive touch screen and led layer
TW201515262A (en) * 2013-06-17 2015-04-16 樂福科技股份有限公司 Reflective bank structure and method for integrating a light emitting device
CN107230434A (en) * 2016-03-21 2017-10-03 三星显示有限公司 Display device
CN206348772U (en) * 2016-12-30 2017-07-21 信利（惠州）智能显示有限公司 Touch display unit

Also Published As

Publication number Publication date
TW202008134A (en) 2020-02-16
CN109062459A (en) 2018-12-21
CN109062459B (en) 2021-03-30

Similar Documents

Publication Publication Date Title
US10146349B2 (en) Touch display device
TWI658392B (en) Curved-surface organic light emitting diode display device with fingerprint identification
WO2016192247A1 (en) Organic electroluminescent touch control panel and driving method therefor, and display device
KR102037455B1 (en) Organic Light Emitting Display integrated Touch Screen Panel
TWI621261B (en) Organic light-emitting diode touch display device
WO2016082636A1 (en) Pixel structure, transparent touch display screen and manufacturing method therefor, and display device
WO2019033798A1 (en) Touch display panel, method for driving same, and electronic device
WO2016206251A1 (en) In-cell touch display panel, driving method therefor, and display device
WO2016206224A1 (en) In-cell touch display panel, driving method therefor, and display device
US10976848B2 (en) Display apparatus with touch sensor
WO2015196598A1 (en) Pixel circuit, display panel and display device
WO2015196597A1 (en) Pixel circuit, display panel and display device
CN108091669A (en) Organic light-emitting display device
CN107768382B (en) Light-emitting diode touch display device
KR20150039933A (en) Touch screen display device
JP6830765B2 (en) Semiconductor device
WO2015180317A1 (en) Pixel circuit and display device
US11422664B2 (en) Touch sensor and display device including the same
CN1617036B (en) Large area display and method of manufacturing same
US10761652B2 (en) Touch panel, touch device and method of manufacturing touch panel
WO2022077555A1 (en) Control assembly, display screen, and control device
TWI667602B (en) Capacitive touchscreen and the driving method thereof
US11467692B2 (en) Electronic device
CN108807715B (en) Touch control display panel
WO2022001420A1 (en) Display substrate and display apparatus