CN110764318B - Liquid crystal panel and display device - Google Patents
Liquid crystal panel and display device Download PDFInfo
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- CN110764318B CN110764318B CN201911109289.XA CN201911109289A CN110764318B CN 110764318 B CN110764318 B CN 110764318B CN 201911109289 A CN201911109289 A CN 201911109289A CN 110764318 B CN110764318 B CN 110764318B
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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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
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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
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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
- G02F1/1343—Electrodes
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
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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
- G02F1/133357—Planarisation layers
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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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13398—Spacer materials; Spacer properties
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136222—Colour filters incorporated in the active matrix substrate
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a liquid crystal panel and a display device, wherein one end of a spacer is positioned on a color resistance layer in a first substrate, and the other end of the spacer is embedded on a common electrode in a second substrate.
Description
Technical Field
The invention relates to the technical field of liquid crystal display, in particular to a liquid crystal panel and a display device.
Background
The liquid crystal panel comprises a first substrate and a second substrate which are arranged in a box, and a liquid crystal layer located between the first substrate and the second substrate, wherein the spacer is located on the surface of the first substrate and extends to the second substrate, and the spacer is used for supporting the thickness of the box.
The liquid crystal and the spacer have uniform volume ratio in the liquid crystal box, the space in the liquid crystal box is filled, the liquid crystal cannot be peeled off from the rubber frame, and the liquid crystal panel displays normally. Because the flat layer is polytetrafluoroethylene in the first base plate of conventionality, the material is softer, and the shock insulator sets up on the flat layer surface, and when liquid crystal display panel pressurized, the shock insulator compressed flat layer downwards, and the flat layer is compressed, and the shock insulator deflection is great, and elastic recovery is also very fast, and liquid crystal rebound speed is slow, causes the liquid crystal box in to have the clearance, and the liquid crystal drops from gluing the frame, appears the vacuum bubble easily.
In summary, in the liquid crystal panel of the prior art, the flat layer on the surface of the first substrate is soft, and when the liquid crystal panel is under pressure, the spacer is easily elastically compressed, and the liquid crystal cannot rebound in time, so that the liquid crystal layer generates a gap, and the liquid crystal falls off to form a vacuum bubble, thereby affecting the display quality of the liquid crystal panel.
Disclosure of Invention
The invention provides a liquid crystal panel and a display device. In the liquid crystal panel in the prior art, the flat layer on the surface of the first substrate is soft, the liquid crystal panel is stressed, the spacer is easily elastically compressed, the liquid crystal cannot rebound in time, the liquid crystal layer generates a gap, and the liquid crystal falls off to form vacuum bubbles, so that the display quality of the liquid crystal panel is influenced.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the invention provides a liquid crystal panel, which comprises a first substrate, a second substrate arranged opposite to the first substrate, and a spacer positioned between the first substrate and the second substrate;
the first substrate comprises a first substrate, a TFT array layer prepared on the first substrate, a color resistance layer prepared on the TFT array layer, a planarization layer prepared on the color resistance layer, and a pixel electrode layer prepared on the planarization layer; at the partition part of the planarization layer, the pixel electrode layer is attached to the color resistance layer to form a concave part, and one end of the spacer stands on the surface of the concave part;
the second substrate comprises a second substrate, a shading layer prepared on the second substrate and a common electrode prepared on the shading layer, and the other end of the spacer is supported on the common electrode.
According to a preferred embodiment of the invention, the recess is a step or a groove.
According to a preferred embodiment of the present invention, the side surface of the spacer is attached to the side wall of the recess.
According to a preferred embodiment of the present invention, the cross-sectional shape of the spacer is an isosceles trapezoid or a convex stage.
According to a preferred embodiment of the present invention, the spacer is made of an elastic material, and after the first substrate and the second substrate are combined, the spacer is elastically contracted and deformed due to a pressure.
According to a preferred embodiment of the present invention, a groove is disposed on a contact surface of the spacer and the common electrode, and a convex tooth corresponding to and engaged with the groove is disposed on a position of the common electrode corresponding to the spacer.
According to a preferred embodiment of the present invention, the teeth are made of an elastic material.
According to a preferred embodiment of the present invention, the TFT array layer includes a gate electrode, a gate insulating layer covering the gate electrode, an active layer on the gate insulating layer, a source electrode and a drain electrode on the surface of the active layer and at both ends of the active layer, and a protective layer on the active layer and covering the source electrode and the drain electrode.
According to a preferred embodiment of the present invention, the active layer includes a semiconductor layer and a doped layer located on a surface of the semiconductor layer.
According to an object of the present invention, there is provided a display device including the above liquid crystal panel.
The invention has the beneficial effects that: one end of the spacer is positioned on the color resistance layer in the first substrate, and the other end of the spacer is embedded on the common electrode in the second substrate, when the liquid crystal panel is pressed, the color resistance layer is hard and is not easy to compress, so that the deformation of the spacer is small, the rebound speed is low, the deformation recovery speed of the spacer is close to the rebound speed of the liquid crystal, the volume ratio of the liquid crystal and the spacer in the liquid crystal layer is uniform, the space in the liquid crystal box is filled, the liquid crystal cannot be peeled off from the rubber frame, and the formation of vacuum bubbles is avoided, so that the display quality of the liquid crystal panel is improved.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a liquid crystal panel structure according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of another spacer structure according to an embodiment of the present disclosure;
fig. 3 is another schematic structural diagram of an lcd panel according to an embodiment of the present disclosure.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings that illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals, and broken lines in the drawings indicate that the elements do not exist in the structures, and only the shapes and positions of the structures are explained.
The invention aims to solve the technical problems that in the liquid crystal panel in the prior art, the flat layer on the surface of the first substrate is soft, the spacer is easy to elastically compress when the liquid crystal panel is under pressure, the liquid crystal cannot rebound in time, the liquid crystal layer generates gaps, and the liquid crystal falls off to form vacuum bubbles, so that the display quality of the liquid crystal panel is influenced.
As shown in fig. 1, the present application provides a liquid crystal panel 100, which includes a first substrate, a second substrate disposed opposite to the first substrate, and a spacer 107 disposed between the first substrate and the second substrate; the first substrate comprises a first substrate 101, a TFT array layer prepared on the first substrate 101, a color resistance layer 103 prepared on the TFT array layer, a planarization layer 104 prepared on the color resistance layer 103, and a pixel electrode layer 105 prepared on the planarization layer 104; at the partition of the planarization layer 104, the pixel electrode layer 105 is attached to the color resist layer 103 to form a recess 1051, and one end of the spacer 107 stands on the surface of the recess 1051; the second substrate includes a second substrate 109, a light shielding layer 1084 formed on the second substrate 109, and a common electrode 1081 formed on the light shielding layer 1084, and the other end of the spacer 107 is supported on the common electrode 1081. After the liquid crystal panel is pressed, because the hardness of the color resistance layer 103 is at least greater than that of the planarization layer 104, the height of the spacer 107 moving downwards is reduced, the rebound speed is slow and is close to that of the liquid crystal, the volume of the liquid crystal in the liquid crystal layer and the spacer is uniform, the space in the liquid crystal box is filled all the time, the liquid crystal cannot be stripped from the rubber frame, the formation of vacuum bubbles is avoided, and the display quality of the liquid crystal panel is improved.
In this embodiment, the shape of the cross section of the spacer 107 is preferably an isosceles trapezoid, the side surface of the spacer 107 forms a certain taper, the taper is preferably 0 ° to 90 °, the spacer 107 is made of an elastic material, the spacer 107 undergoes elastic shrinkage deformation due to pressure after the first substrate and the second substrate are folded, the elastic shrinkage deformation mainly occurs in the longitudinal direction of the spacer 107, and the few-point elastic shrinkage deformation may cause the transverse direction of the spacer 107. The cross-sectional shape of the septum 107 in this embodiment is not only an isosceles trapezoid, but also a boss, and the specific shape refers to fig. 2.
One end of the spacer 107 facing the first substrate is located on the recess 1051, the recess 1051 is a step, the width of the step is larger than that of the spacer 107, the spacer 107 can be stably placed, and the side wall of the spacer 107 is attached to the side wall of the step, i.e., the side surface of the spacer 107 is attached to the side wall of the recess 1051. One end of the spacer 107 facing the second substrate is pressed against the common electrode 1081, and the end face of the spacer 107 is in planar contact with the common electrode 1081.
The TFT array layer in this embodiment includes a gate layer 1021 on the first substrate 101, a gate insulating layer 1022 on the first substrate 101 and covering the gate layer 1021, an active layer 1025 on the gate insulating layer 1022, a source 1026 and a drain 1027 on a surface of the active layer 1025 and at both ends thereof, and a protective layer 1028 on the active layer 1025 and covering the source 1026 and the drain 1027.
The first substrate 101 is usually a glass substrate, but may be a substrate made of other materials, which is not limited herein, and the gate layer 1021 is formed on the first substrate 101 by a physical vapor deposition method, and then a gate pattern is formed by a photolithography process. The material of the gate layer 1021 may be a metal material, such as copper (Cu), aluminum (Al), titanium (Ti), tantalum (Ta), tungsten (W), molybdenum (Mo), chromium (Cr), and the like. A gate insulating layer 1022 is formed on the gate layer 1021, and covers the gate layer 1021 and the first substrate 101. The gate insulating layer 1022 is formed over the gate layer 1021 by chemical vapor deposition, and then annealed in a dry air atmosphere at 400 ℃. The gate insulating layer 1021 is typically made of silicon oxide (SiOx), silicon nitride (SiNx), silicon oxynitride (SiON), or a sandwich structure of the three.
The active layer 1025 is formed on the gate insulating layer 1022, and the active layer 1025 is disposed in an insulating manner from the gate layer 1021. The active layer 1025 comprises a semiconductor layer 1023 and a doping layer 1024 positioned on the surface of the semiconductor layer 1023, the semiconductor layer 1023 is deposited on the gate insulating layer 1022 through a magnetron sputtering method, a metal organic chemical vapor deposition method or a pulse laser evaporation method, annealing treatment is carried out for about 0.5 hour at 400 ℃ in a dry air atmosphere, after the annealing treatment is finished, the semiconductor layer 1023 is etched through a wet etching process or a dry etching process with oxalic acid as an etching liquid, after the etching process, the whole metal oxide film is patterned to form an island-shaped metal oxide layer, and the semiconductor layer 1023 plays a role in switching; after the semiconductor layer 1023 is prepared, the doping layer 1024 is formed on the semiconductor layer 1023 through a chemical vapor deposition method, the doping layer 1024 is doped with nitrogen ions, phosphorus ions and boron ions, the electrical characteristics of channels of the TFT array layer are increased and decreased, potential barriers and power consumption are reduced, and the on-state current of the TFT array layer is improved.
The protective layer 1028 is composed of an SiN layer and an SiO layer which are arranged in a stacked mode, the SiN layer is firstly deposited, then the SiO layer is deposited, after the SiN layer and the SiO layer are deposited, activation and hydrogenation treatment of implanted ions needs to be carried out on the SiN layer and the SiO layer, dangling bonds of polycrystalline silicon are repaired, then the protective layer 1028 is completed through exposure, wet etching and photoresist stripping processes, the protective layer 1028 is guaranteed to have good elasticity and stability, borne stress is small, a TFT film layer cannot be damaged, and the TFT film layer cannot be broken and stripped. The passivation layer 1028 has a pixel via hole at a position corresponding to the drain 1027, and the pixel electrode 105 electrically contacts the drain 1027 through the pixel via hole.
A liquid crystal layer 106, disposed between the first substrate and the second substrate, including a rubber frame, a liquid crystal 1061, and a spacer 107, wherein the rubber frame allows glass on two sides of the liquid crystal 1061 to be tightly adhered; the liquid crystal 1061 is generally elliptical and is connected in series along the long axis direction, the liquid crystal 1061 in each row is a liquid crystal domain, any two adjacent liquid crystal domains are independent of each other, the boundary between any two adjacent liquid crystal domains is a continuously changing area, the liquid crystal 203 around the spacer 107 is disposed around the spacer 107, and the deflection angle of the liquid crystal 1061 is determined by the magnitude of the electric field between the common electrode layer 1081 and the pixel electrode layer 105 on both sides of the liquid crystal layer 106.
The second substrate includes a second substrate 109, a light shielding layer 1084 formed on the second substrate 109, and a common electrode 1081 formed on the light shielding layer 1084, the light shielding layer 1084 includes a first light shielding layer 1082 and a second light shielding layer 1083, which prevents the backlight from generating a light mixing phenomenon after transmitting through the liquid crystal layer 106 and the red, green, and blue three color resist patterns in the first substrate, so as to avoid display abnormality, and the first light shielding layer 1082 and the second light shielding layer 1083 have a light reflecting effect, and can reflect light incident on the surfaces thereof from the outside. The first light shielding layer 1082 and the second light shielding layer 1083 are preferably made of a black resin layer or a black matrix, and the black resin layer or the black matrix is exposed and developed through a light shielding mask. The common electrode layer 109 is typically a transparent conductive film of indium tin oxide, typically 20nm to 40nm thick, and the common electrode layer 109 is deposited by sputtering. One end of the spacer 107 near the second substrate is supported on the common electrode 1081.
When the liquid crystal panel 100 is pressed, the spacer 107 moves downwards, and when the liquid crystal panel 100 is pressed, the spacer 107 moves upwards quickly and deforms quickly, so that the spacer 107 moves upwards quickly, and in order to better solve the problem, the inventor adopts elastic contact at the position where the spacer 107 and the common electrode 1081 want to be contacted. When the liquid crystal panel is stressed, the second substrate moves downwards, the spacer 107 does not deform at the beginning, and after the second substrate moves downwards to a certain distance, the spacer 107 deforms only, so that the deformation speed and deformation amount of the spacer 107 are reduced, the deformation recovery speed of the spacer is close to the rebound speed of the liquid crystal, the volume ratio of the liquid crystal and the spacer in the liquid crystal layer is uniform, the space in the liquid crystal box is filled, the liquid crystal cannot be peeled off from the rubber frame, vacuum bubbles are prevented from being formed, and the display quality of the liquid crystal panel is improved.
As shown in fig. 3, in another structural schematic diagram of a liquid crystal panel according to an embodiment of the present invention, a position where a spacer 107 contacts a second substrate is elastically contacted, a groove 1071 is disposed on a contact surface of the spacer 107 and a common electrode 1081, and a protrusion 10811 corresponding to and engaged with the groove 1071 is disposed on a position of the common electrode 1081 corresponding to the spacer 107. The teeth 10811 are made of an elastic material.
When the liquid crystal panel is pressed, the convex teeth 10811 relieve part of the stress of the spacer 107, the compression amount of the upper surface of the spacer 107 is small, and the rebound speed is low, so that the volume ratio of liquid crystal in the liquid crystal layer to the spacer 107 is uniform, the space in a liquid crystal box is filled, the liquid crystal cannot be peeled off from a rubber frame, vacuum bubbles are prevented from being formed, and the display quality of the liquid crystal panel is improved.
According to an object of the present invention, there is provided a display device comprising the above liquid crystal panel, the liquid crystal panel comprising a first substrate, a second substrate disposed opposite to the first substrate, and a spacer located between the first substrate and the second substrate; the first substrate comprises a first substrate, a TFT array layer prepared on the first substrate, a color resistance layer prepared on the TFT array layer, a planarization layer prepared on the color resistance layer and a pixel electrode layer prepared on the planarization layer; at the partition part of the planarization layer, the pixel electrode layer is attached to the color resistance layer to form a concave part, and one end of the spacer stands on the surface of the concave part; the second substrate comprises a second substrate, a shading layer prepared on the second substrate and a common electrode prepared on the shading layer, and the other end of the spacer is supported on the common electrode.
The invention has the beneficial effects that: one end of the spacer is positioned on the color resistance layer in the first substrate, and the other end of the spacer is embedded on the common electrode in the second substrate, when the liquid crystal panel is pressed, the color resistance layer is hard and is not easy to compress, so that the deformation of the spacer is small, the rebound speed is low, the deformation recovery speed of the spacer is close to the rebound speed of the liquid crystal, the volume ratio of the liquid crystal and the spacer in the liquid crystal layer is uniform, the space in the liquid crystal box is filled, the liquid crystal cannot be peeled off from the rubber frame, and the formation of vacuum bubbles is avoided, so that the display quality of the liquid crystal panel is improved.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (9)
1. The liquid crystal panel is characterized by comprising a first substrate, a second substrate arranged opposite to the first substrate, and a spacer positioned between the first substrate and the second substrate;
the first substrate comprises a first substrate, a TFT array layer prepared on the first substrate, a color resistance layer prepared on the TFT array layer, a planarization layer prepared on the color resistance layer, and a pixel electrode layer prepared on the planarization layer; at the partition part of the planarization layer, the pixel electrode layer is attached to the color resistance layer to form a concave part, and one end of the spacer stands on the surface of the concave part;
the second substrate comprises a second substrate, a shading layer prepared on the second substrate and a common electrode prepared on the shading layer, and the other end of the spacer is supported on the common electrode;
the contact surface of the spacer and the public electrode is provided with a groove, and the corresponding position of the public electrode and the spacer is provided with a convex tooth which corresponds to and is embedded in the groove.
2. The liquid crystal panel according to claim 1, wherein the recess is a step or a groove.
3. The liquid crystal panel according to claim 1, wherein a side surface of the spacer is attached to a side wall of the recess.
4. The liquid crystal panel according to claim 1, wherein the cross-sectional shape of the spacer is an isosceles trapezoid or a convex plate.
5. The liquid crystal panel of claim 1, wherein the spacer is made of an elastic material, and the spacer is elastically deformed due to compression after the first substrate and the second substrate are bonded together.
6. The liquid crystal panel of claim 1, wherein the teeth are made of an elastic material.
7. The liquid crystal panel according to claim 1, wherein the TFT array layer comprises a gate electrode, a gate insulating layer covering the gate electrode, an active layer on the gate insulating layer, a source electrode and a drain electrode on a surface of the active layer and at both ends thereof, and a protective layer on the active layer and covering the source electrode and the drain electrode.
8. The liquid crystal panel according to claim 7, wherein the active layer comprises a semiconductor layer and a doped layer on a surface of the semiconductor layer.
9. A display device comprising the liquid crystal panel according to any one of claims 1 to 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911109289.XA CN110764318B (en) | 2019-11-13 | 2019-11-13 | Liquid crystal panel and display device |
| PCT/CN2019/121175 WO2021093024A1 (en) | 2019-11-13 | 2019-11-27 | Liquid crystal panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911109289.XA CN110764318B (en) | 2019-11-13 | 2019-11-13 | Liquid crystal panel and display device |
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| Publication Number | Publication Date |
|---|---|
| CN110764318A CN110764318A (en) | 2020-02-07 |
| CN110764318B true CN110764318B (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911109289.XA Active CN110764318B (en) | 2019-11-13 | 2019-11-13 | Liquid crystal panel and display device |
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| CN (1) | CN110764318B (en) |
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| CN112213888A (en) * | 2020-10-13 | 2021-01-12 | Tcl华星光电技术有限公司 | Liquid crystal display panel and preparation method thereof |
| CN114764204A (en) | 2021-01-13 | 2022-07-19 | 京东方科技集团股份有限公司 | Display panel and electronic device |
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| CN202512549U (en) * | 2012-03-23 | 2012-10-31 | 京东方科技集团股份有限公司 | Touch liquid crystal display device, liquid crystal display panel and upper part substrate |
| CN103439836A (en) * | 2013-08-14 | 2013-12-11 | 合肥京东方光电科技有限公司 | Shock insulator, preparation method of shock insulator and liquid crystal panel |
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| JP2009047841A (en) * | 2007-08-17 | 2009-03-05 | Hitachi Displays Ltd | Liquid crystal display |
| CN104199217A (en) * | 2014-09-28 | 2014-12-10 | 南京中电熊猫液晶显示科技有限公司 | Liquid-crystal display baseplate and manufacture method thereof |
| CN104965333B (en) * | 2015-07-15 | 2018-05-01 | 深圳市华星光电技术有限公司 | COA type liquid crystal display panels and preparation method thereof |
| KR102507144B1 (en) * | 2016-01-06 | 2023-03-07 | 티씨엘 차이나 스타 옵토일렉트로닉스 테크놀로지 컴퍼니 리미티드 | Display device and manufacturing method thereof |
| CN106950736A (en) * | 2017-04-05 | 2017-07-14 | 惠科股份有限公司 | Touch panel and manufacturing method thereof |
| CN106707633A (en) * | 2017-04-06 | 2017-05-24 | 厦门天马微电子有限公司 | Liquid crystal display panel |
| JP6896675B2 (en) * | 2018-03-30 | 2021-06-30 | パナソニック液晶ディスプレイ株式会社 | Display device and manufacturing method of display device |
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| CN202512549U (en) * | 2012-03-23 | 2012-10-31 | 京东方科技集团股份有限公司 | Touch liquid crystal display device, liquid crystal display panel and upper part substrate |
| CN103439836A (en) * | 2013-08-14 | 2013-12-11 | 合肥京东方光电科技有限公司 | Shock insulator, preparation method of shock insulator and liquid crystal panel |
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| CN110764318A (en) | 2020-02-07 |
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