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Touch display apparatus

a display device and touch technology, applied in the field of display devices, can solve the problems of integrating the touch electrode into the display panel and achieving good display and touch effects, and achieve good display and touch properties

Active Publication Date: 2020-10-29
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present disclosure is about a touch display apparatus with good display and touch properties. The apparatus includes a first substrate, a second substrate, a display medium, a plurality of pixel structures, a first touch electrode, a second transistor, a read-out line, a second scan line, and a dielectric layer. The first touch electrode is arranged on the inner surface of the first substrate, and the second transistor is arranged on the inner surface of the first substrate or on the dielectric layer. The dielectric layer is arranged on the first touch electrode and is electrically connected to the first touch electrode through a contact of the dielectric layer. The first touch electrode is overlaid with the pixel electrode of the first pixel structure. The second scan line spans the central part of the pixel electrode of the first pixel structure. The technical effects of the present disclosure include good display and touch properties, improved manufacturing process, and reduced manufacturing costs.

Problems solved by technology

However, how to integrate the touch electrode into the display panel and achieve good display and touch effects is actually a major issue.

Method used

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Experimental program
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first embodiment

[0058]FIG. 1 is a schematic view of a touch display apparatus 10 according to the present disclosure. FIG. 1 shows a first substrate 110, a plurality of touch structures TS and a chip IC, and omits other components of the touch display apparatus 10.

[0059]FIG. 2 is an equivalent circuit schematic view of a plurality of touch structures TS of the touch display apparatus 10 according to the first embodiment of the present disclosure.

[0060]FIG. 3 is a layout schematic view of the touch display apparatus 10 according to the first embodiment of the present disclosure. FIG. 3 is corresponding to the portion R of FIG. 1. It should be noted that FIG. 3 shows a main portion M of a first touch electrode 120 overlapped with a pixel electrode 190 and omits other portions of the first touch electrode 120 in FIG. 1.

[0061]FIG. 4 is a cross-sectional schematic view of the touch display apparatus 10 according to the first embodiment of the present disclosure. FIG. 4 is corresponding to a section line...

second embodiment

[0097]FIG. 8 is a cross-sectional schematic view of a touch display apparatus 10A according to the present disclosure. The touch display apparatus 10A in FIG. 8 is similar to the touch display apparatus 10 in FIG. 4, and the difference between the touch display apparatus 10A and the touch display apparatus 10 is as follows: the color filter layer 230 of the touch display apparatus 10A in FIG. 8 is arranged on the first substrate 110.

[0098]Referring to FIG. 8, specifically, in the present embodiment, the first touch electrode 120 is arranged on the inner surface 114 of the first substrate 110, the dielectric layer 130 is arranged on the inner surface 114 of the first substrate 110 and the first touch electrode 120, and the color filter layer 230 is arranged on the first transistor T1 and the second transistor T2. The first connecting pattern 191 is arranged on the color filter layer 230 and is electrically connected to the first touch electrode 120 through a contact 231 of the color ...

fourth embodiment

[0104]FIG. 11 is a cross-sectional schematic view of a touch display apparatus 10C according to the present disclosure. The touch display apparatus 10C in FIG. 11 is similar to the touch display apparatus 10B in FIG. 9, and the difference between the touch display apparatus 10C and the touch display apparatus 10B is as follows: the color filter layer 230 of the touch display apparatus 10C in FIG. 11 is arranged on the first substrate 110.

[0105]Referring to FIG. 11, in the present embodiment, the color filter layer 230 is arranged on the first transistor T1 and the second transistor T2. The second connecting pattern 192 is arranged on the color filter layer 230 and is electrically connected to the read-out line RL through a contact 232 of the color filter layer 230, a contact 152 of the gate insulating layer 150, a contact 132 of the dielectric layer 130 and a contact 195a of the insulating layer 195.

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PUM

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Abstract

A touch display apparatus comprises a first substrate, a second substrate, a display medium, pixel structures, touch structures and a dielectric layer. The outer surface of the first substrate is a touch surface. The plurality of pixel structures are arranged between the first substrate and the display medium or between the second substrate and the display medium. Each of the pixel structures comprises a data line, a first scan line, a first transistor and a pixel electrode. Each of the touch structures comprises a second transistor, a read-out line, a second scan line and a first touch electrode. The first touch electrode and the second transistor are arranged on an inner surface of the first substrate. The first touch electrode is arranged between the first substrate and the dielectric layer. The dielectric layer is arranged between the first touch electrode and a first transistor of a pixel structure.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]This application claims the priority benefit of Taiwan application serial no. 108114313, filed on Apr. 24, 2019. The entirety of the above-mentioned patent application is hereby incorporated by reference herein and made a part of this specification.BACKGROUND OF THE DISCLOSURE1. Field of the Disclosure[0002]The present disclosure relates to a display apparatus, and particularly relates to a touch display apparatus.2. Description of Related Art[0003]In general, touch display apparatuses comprise an out-cell touch display apparatus, an on-cell touch display apparatus and an in-cell touch display apparatus. The in-cell touch display apparatus is a touch display panel with high integration and small thickness at present, and a touch electrode is fabricated in the display panel. However, how to integrate the touch electrode into the display panel and achieve good display and touch effects is actually a major issue.SUMMARY OF THE DISCLOSURE[0004...

Claims

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Application Information

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IPC IPC(8): G06F3/041H01L27/32G06F3/047
CPCH01L27/3276G06F2203/04103G06F3/047H01L27/322G06F3/0412G02F1/13338G02F1/134309G02F1/136227G06F3/0416G06F3/044G06F3/04166H10K59/40H10K59/38H10K59/131
Inventor HSU, YA-LINGYU, TI-KUEILIAO, HUNG-CHIA
Owner AU OPTRONICS CORP