CN111722429A - Touch control display device - Google Patents
Touch control display device Download PDFInfo
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- CN111722429A CN111722429A CN202010785374.4A CN202010785374A CN111722429A CN 111722429 A CN111722429 A CN 111722429A CN 202010785374 A CN202010785374 A CN 202010785374A CN 111722429 A CN111722429 A CN 111722429A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal (AREA)
- Human Computer Interaction (AREA)
Abstract
The invention provides a touch display device, the thickness of which can be effectively reduced compared with the prior art. The touch display device comprises a first substrate, a second substrate, a liquid crystal layer and a color filter pattern layer. The first substrate includes a plurality of touch sensing patterns. The second substrate is arranged opposite to the first substrate and comprises a plurality of pixel units. The liquid crystal layer is filled between the first substrate and the second substrate. The color filter pattern layer is arranged on the second substrate and comprises a plurality of filter patterns, and the filter patterns correspond to the pixel units one by one.
Description
Technical Field
The present invention relates to a touch device, and more particularly, to a touch display device.
Background
Generally, a touch display device is installed in a handheld electronic device such as a mobile phone or a tablet for a user to operate conveniently. The outermost layer of the touch display device is provided with a protective glass, and the material of the protective glass has the characteristics of high mechanical strength and abrasion resistance so as to reduce the possibility of abrasion in use and accidental scratching.
Fig. 1 is a schematic cross-sectional view of a touch display device in the prior art. Referring to fig. 1, a touch display device 50 of the prior art includes a touch panel 52, a liquid crystal panel 54 and a backlight module 56. The touch panel 52 and the backlight module 56 are disposed on the upper and lower sides of the liquid crystal panel 54, respectively. The touch panel 52 includes a protective glass 52A and a touch film 52B. The touch film 52B is sandwiched between the protective glass 52A and the liquid crystal panel 54, and is glued to the protective glass 52A and the liquid crystal panel 54 through an optical clear Adhesive (OCA 1) layer and an optical clear Adhesive (OCA 2) layer, respectively. For example, the thickness of the cover glass 52A is 0.3 to 2 millimeters (mm); the thicknesses of the optical adhesive layers OCA1 and OCA2 are 0.075-0.125 mm and 0.125-0.225 mm respectively. In addition, the touch Film 52B may be a Glass-Film (GF) structure or a Glass-Film (GFF) structure, and have thicknesses of about 0.05mm and 0.2mm, respectively.
The liquid crystal panel 54 includes a Color Filter (Color Filter)54A, a liquid crystal layer 54B, and a tft substrate 54C. The liquid crystal layer 54B is sandwiched between the color filter 54A and the tft substrate 54C, and a sealant (sealant) S is disposed around the liquid crystal layer 54B. The color filter 54A includes a glass substrate 54A1, a color filter pattern layer 54A2, and a Black Matrix (Black Matrix) layer 54A 3. The color filter pattern layer 54a2 and the black matrix 54A3 are coated on a lower surface of the glass substrate 54a1 near the liquid crystal layer 54B. The color filter pattern layer 54a2 includes a plurality of red pigments R, a plurality of green pigments G, and a plurality of blue pigments B. The tft substrate 54C includes a glass substrate 54C1 and a plurality of tfts 54C2 arranged in a matrix on the glass substrate 54C 1. The backlight module 56 is disposed below the glass substrate 54C 1.
However, with the trend of lighter and thinner handheld electronic devices, it is an important issue to reduce the thickness of the touch display device 50.
Disclosure of Invention
The invention provides a touch display device, the thickness of which can be effectively reduced.
The invention provides a touch display device which comprises a first substrate, a second substrate, a liquid crystal layer and a color filter pattern layer. The first substrate includes a plurality of touch sensing patterns. The second substrate is arranged opposite to the first substrate and comprises a plurality of pixel units. The liquid crystal layer is filled between the first substrate and the second substrate. The color filter pattern layer is arranged on the second substrate and comprises a plurality of filter patterns, and the filter patterns correspond to the pixel units one by one.
In an embodiment of the invention, the first substrate further includes a shielding layer and an insulating layer, the shielding layer is disposed on the touch sensing patterns, and the insulating layer is sandwiched between the shielding layer and the touch sensing patterns.
In an embodiment of the invention, the second substrate further includes a transparent conductive layer, and the transparent conductive layer covers the color filter pattern layer.
In an embodiment of the invention, the second substrate further includes a plurality of black matrixes disposed between the pixel units.
In an embodiment of the invention, the first substrate further includes an ink layer and a circuit layer, the ink layer surrounds the touch sensing patterns, and the circuit layer is connected to the touch sensing patterns and disposed on the ink layer.
In an embodiment of the invention, the first substrate further includes a first polarizer disposed on a side of the touch sensing patterns away from the liquid crystal layer.
In an embodiment of the invention, the second substrate further includes a second polarizer disposed on a side opposite to the pixel units or between the pixel units and the color filter pattern layer.
In an embodiment of the invention, the first substrate has a thickness greater than that of the second substrate.
In an embodiment of the invention, an outer dimension of the first substrate is smaller than an outer dimension of the second substrate.
In an embodiment of the invention, the touch display device further includes a sealant surrounding the liquid crystal layer and sandwiched between the first substrate and the second substrate.
Based on the above, the touch display device of the embodiment of the invention can dispose the color filter pigment on the second substrate directly without an additional color filter substrate. In addition, because the touch sensing pattern of the touch panel is directly arranged on the inner surface of the first substrate, an additional optical adhesive layer is not needed for gluing. Therefore, the thickness of the touch display device is reduced.
The present invention will be described in detail with reference to the accompanying drawings, which are provided for illustration purposes and for showing the details of the embodiments.
Drawings
Fig. 1 is a schematic cross-sectional view of a touch display device in the prior art.
Fig. 2 is a schematic cross-sectional view of a touch display device according to an embodiment of the invention.
Fig. 3 is a partially enlarged schematic view of the first substrate of the touch display device of fig. 2.
Fig. 4 is a schematic cross-sectional view of a touch display device according to another embodiment of the invention.
Fig. 5 is a schematic cross-sectional view of a touch display device according to yet another embodiment of the invention.
Fig. 6 is a schematic cross-sectional view of a touch display device according to still another embodiment of the invention.
Reference numerals:
50. 100, 200, 300, 400 touch display device
52 touch panel
52A cover glass
52B touch control film
54 liquid crystal panel
54A color filter
54B, 130 liquid crystal layer
54C thin film transistor substrate
54A1, 54C1 glass substrate
54a2, 140 color filter pattern layer
54A3, 126 black matrix
54C2 thin film transistor
56. 150 backlight module
110 first substrate
110A outer surface
110B inner surface
112 touch sensing pattern
114 shield layer
116 insulating layer
117 ink layer
118 line layer
120 second substrate
122 pixel unit
124 transparent conductive layer
132 liquid crystal
142 Filter Pattern
160. S frame glue
A stacking structure
B blue pigment
D1, D2, D3 thickness
G Green pigment
OCA1, OCA2 optical cement layer
P1 first polarizer
P2, P2' second polarizer
R red pigment
S1, S2 outer dimension
Detailed Description
Fig. 2 is a schematic cross-sectional view of a touch display device according to an embodiment of the invention. Referring to fig. 2, the touch display device 100 includes a first substrate 110, a second substrate 120, a liquid crystal layer 130, and a color filter pattern layer 140. The first substrate 110 includes a plurality of touch sensing patterns 112. The second substrate 120 is disposed opposite to the first substrate 110. The second substrate 120 includes a plurality of pixel units 122. The liquid crystal layer 130 is filled with liquid crystal 132 between the first substrate 110 and the second substrate 120. The color filter pattern layer 140 is disposed on the second substrate 120 and includes a plurality of filter patterns 142, and the filter patterns 142 correspond to the pixel units 122 one by one.
It should be noted that, in the touch display device 100 of the present embodiment, the first substrate 110 with a touch function and the second substrate 120 with a display function are integrated together to jointly sandwich the liquid crystal layer 130. Therefore, the overall thickness of the touch display device 100 can be effectively reduced.
In the present embodiment, the thickness D1 of the first substrate 110 may be greater than the thickness D2 of the second substrate 120. Since a user views a picture and performs an operation from the outer surface 110A of the first substrate 110, the thicker the glass, the stronger the glass structure. Therefore, the thickness of the first substrate 110 located at the outermost side of the touch display device 100 can be increased, and the first substrate 110 has the function of protecting the cover plate in addition to the touch function. The material of the first substrate 110 is preferably strengthened glass, and preferably corning FIT glass, but not limited thereto.
Fig. 3 is a partially enlarged schematic view of the first substrate of the touch display device of fig. 2. Referring to fig. 2 and 3, the first substrate 110 has an outer surface 110A and an inner surface 110B opposite to each other, and may further include a stacked structure a disposed on the inner surface 110B. The stacked structure a includes a shielding layer 114 and an insulating layer 116. The touch sensing patterns 112 are disposed on the inner surface 110B of the first substrate 110 and covered by the stacked structure a. In detail, the shielding layer 114 is disposed on the touch sensing patterns 112, and an insulating layer 116 is interposed between the shielding layer 114 and the touch sensing patterns 112. That is, the insulating layer 116 covers the touch sensing patterns 112.
In the present embodiment, the shielding layer 114 can be formed of a transparent conductive material, such as an indium tin oxide layer, but not limited thereto. The shielding layer 114 is disposed between the touch sensing pattern 112 and the liquid crystal layer 130, and is used for shielding the actuation signal of the touch sensing pattern 112 to avoid interfering with the rotation signal of the liquid crystal in the liquid crystal layer 130, and making the transmission of the actuation signal of the touch sensing pattern 112 and the rotation signal of the liquid crystal in the liquid crystal layer 130 more stable. The insulating layer 116 is a single-layer structure and is formed of an insulating material such as silicon dioxide, silicon nitride, or a photoresist material, for example, a negative photoresist, and is mainly used to insulate the touch sensing pattern 112 from the shielding layer 114 to prevent short circuit. In other embodiments, the insulating layer 116 may also be a multi-layer structure. It is worth mentioning that a negative photoresist generally has high transmittance, excellent coating properties, and excellent heat resistance and chemical resistance, wherein the negative photoresist shows high transmittance in the visible light range of 400 to 700 nanometers (nm).
More specifically, referring to fig. 2, the first substrate 110 further includes an ink layer 117 and a circuit layer 118, the ink layer 117 surrounds the touch sensing patterns 112, and the circuit layer 118 is connected to the touch sensing patterns 112 and disposed on the ink layer 117. In the embodiment, the ink layer 117 and the circuit layer 118 are also sandwiched between the stacked structure a and the first substrate 110. The line layer 118 is hidden by the ink layer 117, so that the appearance of the user can be maintained.
The second substrate 120 may further include a transparent conductive layer 124 and a plurality of black matrixes 126. The transparent conductive layer 124 covers the color filter pattern layer 140. The transparent conductive layer 124 can be an indium tin oxide layer, but not limited thereto. The black matrixes 126 are disposed between the pixel units 122. That is, the black matrixes 126 are disposed on the second substrate 120 at a portion where the pixel units 122 are not disposed. In this embodiment or another embodiment not shown, the black matrixes 126 may also be partially or completely disposed between the filter patterns 142.
In the present embodiment, the outer dimension S1 of the first substrate 110 may be smaller than the outer dimension S2 of the second substrate 120. For example, the length and the width of the first substrate 110 are respectively smaller than those of the second substrate 120, so as to facilitate the arrangement of the circuit traces and the sealant 160 for sealing the first substrate 110 and the second substrate 120.
The color filter pattern layer 140 is disposed on the second substrate 120 and covers the pixel units 122 respectively. That is, the second substrate 120 of the present embodiment is a color filter on matrix (color on array) structure, and the filter pattern 142 is directly formed on the second substrate 120. In this embodiment, two adjacent filter patterns 142 are different color materials from each other. For example, the filter pattern 142 may include a plurality of red pigments R, a plurality of green pigments G, and a plurality of blue pigments B alternately arranged with each other. The liquid crystal layer 130 is disposed on the color filter pattern layer 140.
It should be noted that, the color filter pattern layer 140 of the present embodiment is directly disposed on the second substrate 120. In other words, the color filter pattern layer 140 and the pixel units 122 of the present embodiment are disposed on the second substrate 120 together. Therefore, compared to the prior art touch display device 50 (see fig. 1) which needs three glass substrates, i.e., the cover glass 52A, the glass substrate 54A1 of the color filter 54A and the glass substrate 54C1 of the tft substrate 54C, the touch display device 100 of the embodiment only needs two glass substrates, i.e., the first substrate 110 and the second substrate 120. That is, the touch display device 100 of the present embodiment can effectively reduce the thickness.
In addition, the touch sensing pattern 112 of the present embodiment is directly disposed on the inner surface 110B of the first substrate 110, instead of the touch film 52B of the prior art. Therefore, the optical glue layers OCA1 and OCA2 in the prior art are not needed for gluing. Generally, compared to the touch display device 50 of the prior art, the thickness D3 of the touch display device 100 of the embodiment can be reduced to be between (0.3+0.075+0.05+0.125) and 0.55mm and (2+0.125+0.2+0.225) and 2.55 mm. The above is merely an empirical reference, and the thickness D3 that can be actually reduced depends on the size of the different applications.
Further, the touch display device 100 may further include a backlight module 150 and a sealant 160. The backlight module 150 is disposed on a side of the second substrate 150 opposite to the pixel unit 122 to provide a backlight source. That is, the second substrate 120 is disposed on the backlight module 150, and the pixel units 122 are arranged in a matrix on the second substrate 120 to cooperate with a driving circuit (not shown) to drive the liquid crystal layer 130. In the present embodiment, the second substrate 120 is, for example, a transparent substrate, and may be made of glass, but not limited thereto. The sealant 160 surrounds the liquid crystal layer 130, and the sealant 160 and the liquid crystal layer 130 are sandwiched between the first substrate 110 and the second substrate 120.
Fig. 4 is a schematic cross-sectional view of a touch display device according to another embodiment of the invention. Referring to fig. 4 and fig. 2, the touch display device 200 of the present embodiment is similar to the touch display device 100, and corresponding elements are denoted by the same reference numerals and are not repeated herein. In the present embodiment, the first substrate 110 of the touch display device 200 further includes a first polarizer P1 disposed on a side of the touch sensing patterns 112 away from the liquid crystal layer 130. Furthermore, the first polarizer P1 of the present embodiment may be disposed On the outer surface 110A of the first substrate 110, i.e., an On-Cell (On-Cell) type polarizer structure. However, In another embodiment not shown, the first polarizer P1 may also be disposed on the inner surface 110B of the first substrate 110 and located between the touch sensing patterns 112 and the first substrate 110, i.e., an In-Cell type polarizer structure. Alternatively, the first polarizer P1 may be used as one layer of the stacked structure a, and may be disposed on either side of or between the shielding layer 114 and the insulating layer 116, but not limited thereto. In addition, the first polarizer P1 is preferably located on a side of the stacked structure a away from the liquid crystal layer 130.
It should be noted that, since the touch panel 52 and the liquid crystal panel 54 of the touch display device 50 of the prior art are manufactured separately, a polarizer cannot be disposed on the touch panel 52. Compared with the prior art, the touch display device 200 of the present embodiment integrates touch and display. Therefore, the first polarizer P1 can be disposed on the first substrate 110, which is more flexible in manufacturing process.
Fig. 5 is a schematic cross-sectional view of a touch display device according to yet another embodiment of the invention. Referring to fig. 5 and fig. 2, the touch display device 300 of the present embodiment is similar to the touch display device 100, and therefore corresponding components are denoted by the same reference numerals and are not repeated herein. In the present embodiment, the second substrate 120 of the touch display device 300 further includes a second polarizer P2 disposed on a side opposite to the pixel units 122. In another embodiment not shown, the touch display device 300 may also be configured with the first polarizer P1 of fig. 4 and the second polarizer P2 of the present embodiment at the same time, but not limited thereto.
Fig. 6 is a schematic cross-sectional view of a touch display device according to still another embodiment of the invention. Referring to fig. 6 and fig. 2, the touch display device 400 of the present embodiment is similar to the touch display device 100, and corresponding elements are denoted by the same reference numerals and are not repeated herein. In the present embodiment, the second substrate 120 of the touch display device 400 further includes a second polarizer P2' disposed between the pixel units 122 and the color filter pattern layer 140. In another embodiment, not shown, a second polarizer P2' may also be disposed on the second substrate 120 and under the pixel units 122. That is, the second polarizer P2' may be located between the pixel units 122 and the second substrate 120. In addition, in another embodiment not shown, the touch display device 400 may also be configured with the first polarizer P1 of fig. 4 and the second polarizer P2 of the present embodiment at the same time, which is not limited herein.
In summary, the touch display device and the touch panel thereof of the present embodiment can directly dispose the color filter pigment on the substrate of the thin film transistor substrate without an additional color filter substrate. In addition, because the touch sensing pattern of the touch panel is directly arranged on the inner surface of the first substrate, an additional optical adhesive layer is not needed for gluing. Therefore, the thickness of the touch display device and the touch panel thereof can be reduced.
The above-described embodiments are merely illustrative of the technical spirit and features of the present invention, and the object of the present invention is to enable those skilled in the art to understand the content of the present invention and to implement the same, and not to limit the scope of the present invention, i.e. all equivalent changes or modifications made in the spirit of the present invention should be covered in the scope of the present invention.
Claims (10)
1. A touch display device, comprising:
a first substrate including a plurality of touch sensing patterns;
the second substrate is arranged opposite to the first substrate and comprises a plurality of pixel units;
the liquid crystal layer is filled between the first substrate and the second substrate; and
and the color filter pattern layer is arranged on the second substrate and comprises a plurality of filter patterns, and the filter patterns correspond to the pixel units one by one.
2. The touch display device of claim 1, wherein the first substrate further comprises a shielding layer and an insulating layer, the shielding layer is disposed on the touch sensing pattern, and the insulating layer is sandwiched between the shielding layer and the touch sensing pattern.
3. The touch display device of claim 1, wherein the second substrate further comprises a transparent conductive layer covering the color filter pattern layer.
4. The touch display device of claim 1, wherein the second substrate further comprises a plurality of black matrices, and the black matrices are disposed between the pixel units.
5. The touch display device of claim 1, wherein the first substrate further comprises an ink layer surrounding the touch sensing pattern and a circuit layer connected to the touch sensing pattern and disposed on the ink layer.
6. The touch display device of claim 1, wherein the first substrate further comprises a first polarizer disposed on a side of the touch sensing pattern away from the liquid crystal layer.
7. The touch display device of claim 1, wherein the second substrate further comprises a second polarizer disposed on a side opposite to the pixel unit or between the pixel unit and the color filter pattern layer.
8. The touch display device of claim 1, wherein the first substrate has a thickness greater than a thickness of the second substrate.
9. The touch display device of claim 1, wherein an outer dimension of the first substrate is smaller than an outer dimension of the second substrate.
10. The touch display device of claim 1, further comprising a sealant surrounding the liquid crystal layer and sandwiched between the first substrate and the second substrate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010785374.4A CN111722429A (en) | 2020-08-06 | 2020-08-06 | Touch control display device |
| TW109127504A TWI753529B (en) | 2020-08-06 | 2020-08-13 | Touch display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010785374.4A CN111722429A (en) | 2020-08-06 | 2020-08-06 | Touch control display device |
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| CN111722429A true CN111722429A (en) | 2020-09-29 |
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| CN202010785374.4A Pending CN111722429A (en) | 2020-08-06 | 2020-08-06 | Touch control display device |
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| TW (1) | TWI753529B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI753529B (en) | 2022-01-21 |
| TW202206994A (en) | 2022-02-16 |
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