WO2020238323A1 - 显示面板及其制作方法、显示装置 - Google Patents
显示面板及其制作方法、显示装置 Download PDFInfo
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- WO2020238323A1 WO2020238323A1 PCT/CN2020/078784 CN2020078784W WO2020238323A1 WO 2020238323 A1 WO2020238323 A1 WO 2020238323A1 CN 2020078784 W CN2020078784 W CN 2020078784W WO 2020238323 A1 WO2020238323 A1 WO 2020238323A1
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- array substrate
- gap
- display panel
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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
-
- 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
-
- 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
- G02F1/136—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
- G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
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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
- G02F1/13396—Spacers having different sizes
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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
Definitions
- At least one embodiment of the present disclosure relates to a display panel, a manufacturing method thereof, and a display device.
- liquid crystal display due to its low power consumption, high image quality, small size, and light weight, is popular with everyone and has become the mainstream of current displays.
- liquid crystal displays are mainly Thin Film Transistor (TFT) liquid crystal displays.
- the display panel usually includes a color film substrate, a TFT array substrate, and a liquid crystal layer disposed between the two substrates.
- At least one embodiment of the present disclosure provides a display panel.
- the display panel includes: an array substrate including a plurality of sub-pixels arranged in an array; an opposite substrate arranged opposite to the array substrate; at least one light blocking strip arranged Between the array substrate and the opposite substrate; wherein the orthographic projection of the at least one light blocking strip on the array substrate is located between two adjacent sub-pixels configured to emit light in different colors, And the orthographic projection is a long strip.
- the at least one light blocking strip is located on a side of the array substrate facing the opposite substrate, and the at least one light blocking strip faces the opposite There is a first gap between the surface of the substrate and the counter substrate; or the at least one light blocking strip is located on the side of the counter substrate facing the array substrate, and the at least one light blocking strip faces all There is a first gap between the surface of the array substrate and the array substrate.
- the plurality of sub-pixels are arranged in multiple rows and multiple columns, and there is a row gap between two adjacent rows of sub-pixels, and between two adjacent rows of sub-pixels Having a column gap;
- the at least one light blocking strip includes a plurality of light blocking strips, the sub-pixels with different light emission colors are sequentially arranged along the sub-pixel row direction, and the plurality of light blocking strips are located at the column gap, And the length of each light blocking strip in the sub-pixel column direction is greater than the length in the sub-pixel row direction; or the sub-pixels with different light emission colors are arranged in sequence along the sub-pixel column direction, and the plurality of The light blocking bars are located at the row gaps, and the length of each light blocking bar in the sub-pixel row direction is greater than the length in the sub-pixel column direction.
- the display panel provided by at least one embodiment of the present disclosure, when the sub-pixels with different light emission colors are arranged in sequence along the row direction of the sub-pixels, and the plurality of light blocking bars are located at the column gaps, Each of the light blocking strips located at the same column gap is disconnected at the row gap; or the sub-pixels with different light emission colors are arranged in sequence along the sub-pixel column direction, and the multiple light blocking strips are located at all In the case of the row gap, each of the light blocking bars located at the same row gap is broken at the column gap.
- the display panel provided by at least one embodiment of the present disclosure further includes a data line for providing data signals for the plurality of sub-pixels, and the data line extends along the column direction of the sub-pixels.
- each The length of the light blocking bar is greater than half of the length of the sub-pixels adjacent to the light blocking bar; when each of the light blocking bars located at the same row gap is disconnected at the column gap, In the row direction of the sub-pixels, the length of each light blocking strip is greater than half of the length of the sub-pixels adjacent to the light blocking strip.
- each The length of the light blocking strip is substantially equal to the length of the sub-pixels adjacent to the light blocking strip; when the light blocking strips located at the same row gap are disconnected at the column gap, the In the sub-pixel row direction, the length of each light blocking strip is substantially equal to the length of the sub-pixels adjacent to the light blocking strip.
- the display panel provided by at least one embodiment of the present disclosure further includes a main spacer between the array substrate and the counter substrate, the main spacer being located in the row gap of the sub-pixel and The position where the column gaps intersect.
- the height of the light blocking strip is smaller than the height of the main spacer; there is a gap between the main spacer and the adjacent light blocking strip The second gap.
- the light blocking strip and the main spacer are arranged in the same layer and have the same material.
- the display panel provided by at least one embodiment of the present disclosure further includes a secondary spacer between the array substrate and the counter substrate, and the secondary spacer is spaced apart from the main spacer;
- the height of the auxiliary spacer is smaller than the height of the main spacer, and the height of the auxiliary spacer is larger than the height of the light blocking strip.
- the auxiliary spacer is provided in the same layer as the light blocking strip and the main spacer and has the same material.
- the height of the light blocking strip is half of the distance between the first surface and the second surface, and the first surface is the facing of the array substrate.
- the surface of the facing substrate, the second surface is the surface of the facing substrate facing the array substrate.
- the counter substrate includes a black matrix; the orthographic projection of the black matrix on the array substrate and the orthographic projection of the light blocking bar on the array substrate The projections overlap.
- the counter substrate includes a black matrix
- the black matrix includes a first black matrix, a second black matrix, and a third black matrix; wherein, the first black matrix
- the orthographic projection of the matrix on the array substrate overlaps the row gap; the orthographic projection of the second black matrix on the array substrate overlaps the column gap, and the third black matrix is on the array substrate.
- the orthographic projection on overlaps with the intersection of the row gap and the column gap.
- the second black matrix is located on the array substrate
- the orthographic projection of the above overlaps with the orthographic projection of the light blocking strips on the array substrate; when the light blocking strips located at the same row gap are disconnected at the row gap, the first The orthographic projection of the black matrix on the array substrate overlaps the orthographic projection of the light blocking bar on the array substrate.
- At least one embodiment of the present disclosure further provides a display device including the display panel provided by the embodiment of the present disclosure.
- At least one embodiment of the present disclosure further provides a method for manufacturing a display panel, including: separately forming an array substrate and an opposite substrate, wherein the array substrate includes a plurality of sub-pixels arranged in an array, and the array substrate Or the opposite substrate includes at least one light blocking strip; the array substrate and the opposite substrate are boxed together, wherein the at least one light blocking strip is located between the array substrate and the opposite substrate,
- the orthographic projection of the at least one light blocking strip on the array substrate is located between two adjacent sub-pixels configured to emit light in different colors, and the orthographic projection is strip-shaped.
- the at least one light blocking strip is formed on the array substrate, and after the array substrate and the counter substrate are boxed, the at least one light barrier There is a first gap between the surface of the barrier strip facing the opposite substrate and the opposite substrate; or the at least one light barrier strip is formed on the opposite substrate and is connected between the array substrate and the opposite substrate. After the opposing substrates are boxed, there is a first gap between the surface of the at least one light blocking strip facing the array substrate and the array substrate.
- the plurality of sub-pixels are arranged in multiple rows and multiple columns, and there is a row gap between two adjacent rows of sub-pixels, and between two adjacent rows of sub-pixels Having a column gap; the manufacturing method further includes: forming a main spacer on the array substrate at a position where the row gap and the column gap intersect; and forming a main spacer on the array substrate
- the auxiliary spacers are arranged with spacers at intervals; wherein the auxiliary spacers, the main spacers and the at least one light blocking strip are formed in the same layer with the same mask.
- FIG. 1A is a schematic structural diagram of a display panel provided by at least one embodiment of the present disclosure.
- 1B is a schematic structural diagram of another display panel provided by at least one embodiment of the present disclosure.
- FIG. 2 is a schematic structural diagram of a display panel with light blocking bars located in gaps between sub-pixel columns according to at least one embodiment of the present disclosure
- FIG. 3 is a schematic structural diagram of a display panel with light blocking bars located in sub-pixel row gaps according to at least one embodiment of the present disclosure
- FIG. 4 is a schematic cross-sectional structure diagram of a display panel provided with a main spacer provided by at least one embodiment of the present disclosure
- FIG. 5 is a schematic top view of the structure of a display panel provided with main spacers provided by at least one embodiment of the present disclosure
- FIG. 6 is a schematic cross-sectional structure diagram of a display panel provided by at least one embodiment of the present disclosure.
- FIG. 7 is a schematic diagram of a manufacturing process of a display panel provided by at least one embodiment of the present disclosure.
- the embodiments of the present disclosure provide a display panel, a manufacturing method thereof, and a display device.
- the display panel includes an array substrate and a counter substrate that are arranged oppositely.
- the array substrate includes a plurality of sub-pixels arranged in an array; the display panel further includes at least one light blocking strip disposed between the array substrate and the counter substrate.
- the orthographic projection of a light blocking strip on the array substrate is located between two adjacent sub-pixels configured to emit light in different colors.
- the display panel can use the light blocking strip to block the light emitted from the side of the sub-pixel when the human eye observes the display panel from a side angle of view, so as to avoid the light from entering the adjacent sub-pixels, thereby avoiding defects such as cross-color, and improving display effect.
- FIG. 1A shows a schematic structural diagram of a display panel provided by at least one embodiment of the present disclosure.
- the display panel includes an array substrate 1 and an opposite substrate 2, and has a plurality of sub-pixels 3 arranged in an array.
- a plurality of light blocking strips 4 are shown in FIG. 1.
- the orthographic projection of each light blocking strip 4 on the array substrate 1 is located between two adjacent sub-pixels 3 configured to emit light in different colors.
- the orthographic projection of each light blocking strip 4 on the array substrate 1 is a long strip.
- the orthographic projection of the light blocking strip 4 on the array substrate 1 may be located at the junction of two adjacent sub-pixels 3 configured to emit light with different colors, and One of the two adjacent sub-pixels overlaps or both overlaps with the two adjacent sub-pixels.
- a light blocking strip 4 is arranged between adjacent sub-pixels 3 configured with different light emission colors.
- the light blocking strip 4 It can block the light emitted from the current sub-pixel 3 from obliquely emitted from other adjacent sub-pixels 3, so as to prevent the light from irradiating the color resist film layer at the corresponding position of the adjacent sub-pixel, so as to avoid causing defects such as cross-color, and improve The display effect of the display panel.
- the display panel provided by the embodiment of the present disclosure may be any form of display substrate such as a liquid crystal display panel (LCD), an organic light emitting diode display panel (OLED), etc.
- LCD liquid crystal display panel
- OLED organic light emitting diode display panel
- the embodiment of the present disclosure does not limit the type of the display panel.
- the liquid crystal display panel includes an array substrate 1 and a counter substrate 2, and has a plurality of sub-pixels 3.
- the plurality of sub-pixels 3 include green sub-pixels
- the blue sub-pixels, red sub-pixels, green sub-pixels and red sub-pixels are respectively provided with a green color resistor 211, a blue color resistor 212, a red color resistor 213, a green color resistor 211, and a blue color resistor 212 in sequence.
- a light blocking strip 4 is arranged between every two adjacent sub-pixels 3.
- the green sub-pixels and blue sub-pixels are both in the off state.
- the human eye observes the liquid crystal display panel from the right side, part of the light in the red sub-pixel obliquely passes through the green color resist 211 of the opposite substrate. If the light barrier 4 is not provided, this part of the green light is mixed into the red display screen
- the liquid crystal display panel provided by the embodiment of the present disclosure is provided with the light blocking strip 4 to prevent the light in the red sub-pixel from obliquely passing through the green color resist 211 of the counter substrate, thereby avoiding this part of the green light. Light is mixed into the red display screen to avoid problems such as cross-color.
- the occlusion principle at other sub-pixels is similar to the above, and will not be repeated.
- the counter substrate may be a color filter substrate, and the components used for light color conversion of the color filter substrate may also be other types, and are not limited to the above color resist film layer, for example, light color conversion. It can also be a photonic crystal film, or a quantum dot color conversion film.
- the light blocking strip 4 may be provided on the array substrate 1.
- the light blocking strip 4 may be disposed on the side of the array substrate 1 facing the opposite substrate 2, and there is a first gap between the surface of the light blocking strip 4 facing the opposite substrate 2 and the opposite substrate 2, that is, the light blocking There is a preset distance d1 between the strip 4 and the opposite substrate 2, and d1 is greater than zero. Since the liquid crystal display panel light is provided on the side of the array substrate 1, the light blocking strip 4 is located on the side of the array substrate 1 facing the opposite substrate 2, which can better block the light from obliquely striking the color resist film layer of the adjacent sub-pixel unit , The shading effect is better.
- the light blocking strip 4 may also be provided on the opposite substrate 2.
- the light blocking bar 4 is disposed on the side of the counter substrate 2 facing the array substrate 1, and there is a first gap between the surface of the light blocking bar 4 facing the array substrate 1 and the array substrate 1, that is, the light blocking bar 4 and There is a preset distance d1 between the opposing substrates 2, and d1 is greater than zero.
- the light blocking strip 4 can also have a good light shielding effect.
- the multiple sub-pixels are arranged in multiple rows and multiple columns, with a row gap between two adjacent rows of sub-pixels, and a column gap between two adjacent columns of sub-pixels;
- the sub-pixels are sequentially arranged along the sub-pixel row direction, a plurality of light blocking bars are located at the column gap, and each light blocking bar located at the same column gap is disconnected at the row gap.
- a light blocking strip is provided between every two adjacent sub-pixels with different light emission colors.
- FIG. 2 shows a schematic structural diagram of a display panel with light blocking bars located in the gap between sub-pixel columns. At this time, FIGS. 1A and 1B are cut along the line A-A in FIG. 2, for example.
- the sub-pixels 3 with different light emission colors are arranged in sequence along the sub-pixel row direction (the horizontal direction in the figure), the light blocking strips 4 are located at the column gap 62 of the sub-pixels 3, and each light blocking strip 4
- the length in the sub-pixel column direction is greater than the length in the sub-pixel row direction.
- the light blocking strips 4 located at the gap 62 in the same column are disconnected at the row gap 61 of the sub-pixel 3. In this way, the light blocking bar 4 can prevent the liquid crystal between the array substrate and the opposite substrate from flowing between the adjacent sub-pixels 3, thereby avoiding affecting the normal display effect.
- the display panel further includes a data line 13 for providing data signals for a plurality of sub-pixels 3, and the data line 13 extends along the column direction of the sub-pixels 3. At this time, the extending direction of the light blocking bar 4 The extension direction of the data line 13 is the same.
- the length of each light-blocking strip 4 is greater than half of the length of the sub-pixel 3 (for example, the sub-pixel 3 adjacent to the light-blocking strip 4), for example, greater than three times the length of the sub-pixel 3. Two of them.
- the length of each light-blocking strip 4 is substantially equal to the length of the sub-pixel 3 (for example, the sub-pixel 3 adjacent to the light-blocking strip 4), as shown in FIG.
- the distance by which two adjacent light blocking strips 4 are disconnected is substantially equal to the width of the row gap 61 (that is, the length of the gap 61 in the column direction).
- the light blocking strip 4 can sufficiently shield light between adjacent sub-pixels.
- the sub-pixels 3 with different light-emitting colors can also be arranged in other ways.
- the sub-pixels with different light-emitting colors are arranged in sequence along the sub-pixel column direction, and multiple light blocking bars are located at the row gap and at the same row gap. The light blocking strips are broken at the column gap.
- FIG. 3 shows a schematic diagram of the structure of a display panel with light blocking bars located in the sub-pixel row gap. At this time, FIGS. 1A and 1B are cut along the line A-A in FIG. 3, for example.
- the sub-pixels 3 with different light emission colors are arranged in sequence along the sub-pixel column direction.
- the light blocking strips 4 may be located at the row gap 61 of the sub-pixels 3, and each light blocking strip 4 is arranged in the sub-pixel row direction.
- the length is greater than the length in the sub-pixel column direction.
- the light blocking strips 4 located in the same row gap 61 are disconnected at the column gap 62 of the sub-pixel 3. This solution can also prevent the light blocking strips 4 from blocking the liquid crystal between the array substrate and the counter substrate from flowing between the adjacent sub-pixels 3, thereby avoiding affecting the normal display effect.
- the length of each light-blocking strip 4 is greater than half of the length of the sub-pixel 3 (for example, the sub-pixel 3 adjacent to the light-blocking strip 4), for example, is greater than one-third of the length of the sub-pixel 3. of two.
- the length of each light blocking strip 4 is substantially equal to the length of the sub-pixel 3 (for example, the sub-pixel 3 adjacent to the light blocking strip 4), as shown in FIG. 3
- the distance by which two adjacent light blocking strips 4 are disconnected is substantially equal to the width of the column gap 62.
- the light blocking strip 4 can sufficiently shield light between adjacent sub-pixels.
- the shape of the light blocking strip 4 may be a striped rectangular parallelepiped, that is, the orthographic projection of the light blocking strip 4 on the array substrate 1 is a long strip, as shown in Figs. 2 and 3.
- the extension direction of the light blocking bar 4 may be the same as the extension direction of the sub-pixel column gap 62.
- a light blocking bar 4 in the sub-pixel column gap 62 The gap 61 between two adjacent sub-pixel rows may be an integral structure.
- the extending direction of the light blocking strips 4 may be the same as the extending direction of the sub-pixel row gap 61.
- the light blocking strips 4 of a sub-pixel row gap 61 are located between two adjacent ones.
- the sub-pixel column gaps 62 may be an integral structure.
- the sub-pixel row direction and the sub-pixel column direction are two intersecting directions.
- the sub-pixel row direction and the sub-pixel column direction are substantially perpendicular to each other.
- the sub-pixel row direction and the sub-pixel column direction may not be perpendicular but at other angles, which is not limited in the embodiment of the present disclosure.
- FIG. 4 shows a schematic cross-sectional structure diagram of a display panel provided with a main spacer
- FIG. 5 shows a schematic top view structure of a display panel provided with a main spacer.
- 4 is along the line in FIG. BB cut.
- the liquid crystal display panel further includes a main spacer 5 between the array substrate 1 and the counter substrate 2, and the main spacer 5 is located at a position where the sub-pixel row gap and the column gap intersect.
- the main spacer 5 can support the array substrate and the counter substrate to maintain the distance between the array substrate and the counter substrate.
- the height of the light blocking strip 4 is smaller than the height of the main spacer 5, and there is a second gap 7 between the main spacer 5 and the adjacent light blocking strip 4. This prevents the light blocking strip 4 from being compressed.
- the above-mentioned height refers to a dimension in a direction perpendicular to the surface of the array substrate.
- the main spacer 5 and the light blocking strip 4 are both disposed on the array substrate 1, and the main spacer 5 and the light blocking strip 4 are disposed in the same layer and have the same material.
- “same-layer arrangement” means that two functional layers or structural layers are formed in the same layer and with the same material in the hierarchical structure of the display substrate, that is, in the preparation process, the two functional layers Or the structure layer can be formed of the same material layer, and the required pattern and structure can be formed through the same patterning process.
- the counter substrate 2 may include a black matrix 22.
- the orthographic projection of the black matrix 22 on the array substrate 1 overlaps with the orthographic projection of the light blocking strip 4 on the array substrate 1, that is, the orthographic projection of the black matrix 22 on the array substrate 1 at least partially covers the light blocking strip 4 on the array substrate.
- the orthographic projection on 1, for example, the orthographic projection of the black matrix 22 on the array substrate 1 completely covers the orthographic projection of the light blocking bar 4 on the array substrate 1. In this way, it is possible to prevent the light blocking strip 4 from affecting the aperture ratio of the liquid crystal display panel.
- the black matrix 22 may include a first black matrix 221 located at the sub-pixel row gap, a second black matrix 222 located at the sub-pixel column gap, and a second black matrix 222 located at the sub-pixel row gap.
- the third black matrix 220 at a position intersecting the sub-pixel column gap.
- the orthographic projection on 1 can be covered by the orthographic projection of the second black matrix 222 of the black matrix 22 on the array substrate 1; when the light blocking bar 4 is located in the row gap of the sub-pixel, the light blocking bar 4 is on the front of the array substrate 1.
- the projection can overlap with the orthographic projection of the first black matrix 221 on the array substrate 1, that is, the orthographic projection of the light blocking strip 4 on the array substrate 1 can be the orthographic projection of the first black matrix 221 of the black matrix 22 on the array substrate 1. cover.
- the display substrate may further include a secondary spacer 8 between the array substrate 1 and the counter substrate 2, and the secondary spacer 8 and the main spacer 5 are spaced apart.
- the auxiliary spacer 8 may also support the array substrate 1 and the counter substrate 2 so as to maintain the distance between the array substrate and the counter substrate together with the main spacer 5.
- the height of the auxiliary spacer 8 is smaller than the height of the main spacer 5, and the height of the auxiliary spacer 8 is larger than the height of the light blocking bar 4.
- the auxiliary spacer 8 may also be located at the intersection of the sub-pixel row gap and the column gap, that is, the main spacer 5 may be located at the intersection of the sub-pixel row gap and the column gap, and the auxiliary spacer 8 It can be located at other intersections except for the main spacer 5 where the sub-pixel row gaps and column gaps cross.
- the height of the auxiliary spacer 8 is greater than the height of the light blocking strip 4, which can prevent the light blocking strip 4 from supporting the array substrate 1 and the counter substrate 2 from being too strong, causing the auxiliary spacer 8 to lift Not the support it should have.
- the light blocking strip 4, the main spacer 5 and the sub spacer 8 may all be arranged on the array substrate, and the light blocking strip 4, the main spacer 5 and the sub spacer 8 are arranged in the same layer and have the same material. Therefore, in the process of manufacturing the display panel, one mask is used to form the light blocking strip 4, the main spacer 5 and the sub spacer 8 through a patterning process, thereby simplifying the manufacturing process of the display panel.
- the height d2 of the light blocking strip 4 is half of the distance d3 between the first surface and the second surface, and the first surface is the surface of the array substrate 1 facing the opposite substrate 2.
- the surface and the second surface are the surface of the counter substrate 2 facing the array substrate 1. Therefore, it can be avoided that when the height of the light blocking strip 4 is too low, it will not be able to block the light.
- the auxiliary spacers When the height of the light blocking strip 4 is too high, the auxiliary spacers will not be able to support the necessary support, and can not affect the liquid crystal Under the premise of other structures of the display panel, a better light blocking effect is achieved.
- the display panel may also have structures such as a pixel driving circuit, a liquid crystal layer between the array substrate and the counter substrate, and the embodiments of the present disclosure do not limit other structures of the display panel.
- the array substrate 1 may include a first base substrate 10, and a gate electrode 11 and a gate insulating layer are sequentially located on the side of the first base substrate 10 facing the counter substrate 2. 12.
- the data line 13 the resin layer 14, the common electrode layer 15 (CITO), the insulating layer 16, the pixel electrode 17 (PITO), and the first alignment layer 18.
- the opposite substrate 2 may include a second base substrate 20, a black matrix 22, a color resist film layer (for example, a green color resist 211, a blue color resist 212, Red color resist 213), optical adhesive layer 23 (OC), and second alignment layer 24.
- a liquid crystal may be provided between the array substrate 1 and the counter substrate 2.
- At least one embodiment of the present disclosure further provides a display device including the display panel provided by the embodiment of the present disclosure.
- the display device can be any product or component with a display function, such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital camera, a navigator, and the like.
- a display function such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital camera, a navigator, and the like.
- the embodiment of the present disclosure does not limit this.
- At least one embodiment of the present disclosure also provides a manufacturing method of a display panel. As shown in FIG. 7, the manufacturing method includes step S101 and step S102.
- Step S101 forming an array substrate and an opposite substrate respectively, the array substrate includes a plurality of sub-pixels arranged in an array, and the array substrate or the opposite substrate includes at least one light blocking strip.
- the at least one light blocking strip includes a plurality of light blocking strips, and the light blocking strips are formed on the array substrate or the opposite substrate.
- a plurality of light blocking bars are formed on the array substrate, and on the array substrate, the plurality of sub-pixels are arranged in multiple rows and multiple columns, and there are row gaps between two adjacent rows of sub-pixels. There are column gaps between two adjacent columns of sub-pixels; at this time, manufacturing the array substrate further includes: forming main spacers at positions where the row gaps and column gaps intersect.
- the main spacer and the light blocking strip are formed by using the same mask and the same layer.
- fabricating the array substrate further includes: forming secondary spacers spaced apart from the main spacers on the array substrate.
- the secondary spacer and the main spacer and the light blocking strip are formed by using the same mask and the same layer.
- forming the auxiliary spacer, the main spacer and the light blocking strip in the same layer includes: forming a layer of material on the array substrate, and then patterning the material layer through a mask, thereby forming a patterned auxiliary spacer Objects, main spacers and light blocking strips.
- the sequential patterning process includes photoresist coating, exposure, development, and etching processes.
- the materials of the light blocking strips, the main spacers, and the auxiliary spacers may be organic materials such as polyimide and resin, which are not specifically limited in the embodiments of the present disclosure.
- the main spacers, the sub spacers, and the light blocking strips of different heights may be formed simultaneously through a halftone mask or a gray tone mask process.
- the light barrier strips can be formed without increasing the mask process, simplifying the manufacturing process of the display substrate.
- the height of the main spacer is greater than the height of the secondary spacer, and the height of the secondary spacer is greater than the height of the light blocking bar.
- forming the opposite substrate includes forming a black matrix on the opposite substrate. After the array substrate and the opposite substrate are boxed together, the orthographic projection of the black matrix on the array substrate overlaps the orthographic projection of the light blocking strip on the array substrate.
- Step S102 aligning the array substrate and the counter substrate, at least one light blocking strip is located between the array substrate and the counter substrate, and the orthographic projection of the at least one light blocking strip on the array substrate is located in two adjacent ones. Between sub-pixels with different light colors.
- the array substrate and the counter substrate are supported by the main spacer and the sub spacer.
- the light blocking bar is formed on the array substrate, there is a first gap between the surface of the light blocking bar facing the opposite substrate and the opposite substrate; or, when the light blocking bar is formed on the opposite substrate, the light blocking bar is formed on the opposite substrate. There is a first gap between the surface of the bar facing the array substrate and the array substrate. Therefore, the light blocking strips can be prevented from being squeezed, and the light blocking strips can fully realize the light-shielding effect of the sub-pixels.
- the manufacturing method may further include the steps of filling liquid crystal between the array substrate and the counter substrate, which is not limited in the embodiments of the present disclosure.
- the display panel obtained by using the manufacturing method provided by the embodiments of the present disclosure includes a light blocking strip located between two adjacent sub-pixels with different light emitting colors, and when the human eye observes the display panel from a side angle of view, the light blocking strip can The light of the current sub-pixel is blocked from being emitted obliquely from other adjacent sub-pixels, and the light is prevented from irradiating the corresponding color resist film layer at the corresponding position of the adjacent sub-pixel, thereby avoiding defects such as cross-color, and improving the display effect of the display panel.
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Abstract
Description
Claims (20)
- 一种显示面板,包括:阵列基板,包括呈阵列排布的多个亚像素;对向基板,与所述阵列基板相对设置;至少一个光阻挡条,设置在所述阵列基板与所述对向基板之间;其中,所述至少一个光阻挡条在所述阵列基板的正投影位于相邻两个被配置为出光颜色不同的所述亚像素之间,且所述正投影为长条状。
- 如权利要求1所述的显示面板,其中,所述至少一个光阻挡条位于所述阵列基板的面向所述对向基板的一面,且所述至少一个光阻挡条的面向所述对向基板的表面与所述对向基板之间具有第一间隙;或者所述至少一个光阻挡条位于所述对向基板的面向所述阵列基板的一面,且所述至少一个光阻挡条的面向所述阵列基板的表面与所述阵列基板之间具有第一间隙。
- 如权利要求1或2所述的显示面板,其中,所述多个亚像素排布为多行多列,相邻的两行亚像素之间具有行间隙,相邻的两列亚像素之间具有列间隙;所述至少一个光阻挡条包括多个光阻挡条,出光颜色不同的所述亚像素沿所述亚像素行方向依次排列,所述多个光阻挡条位于所述列间隙处,且每个光阻挡条在所述亚像素列方向上的长度大于在所述亚像素行方向上的长度;或者出光颜色不同的所述亚像素沿所述亚像素列方向依次排列,所述多个光阻挡条位于所述行间隙处,且每个光阻挡条在所述亚像素行方向上的长度大于在所述亚像素列方向上的长度。
- 如权利要求3所述的显示面板,其中,在出光颜色不同的所述亚像素沿所述亚像素行方向依次排列,所述多个光阻挡条位于所述列间隙处的情况下,位于同一列间隙处的各所述光阻挡条在所述行间隙处断开;或者在出光颜色不同的所述亚像素沿所述亚像素列方向依次排列,所述多个光阻挡条位于所述行间隙处的情况下,位于同一行间隙处的各所述光阻挡条在所述列间隙处断开。
- 如权利要求4所述的显示面板,还包括用于为所述多个亚像素提供数据信号的数据线,所述数据线沿所述亚像素列方向延伸。
- 如权利要求4所述的显示面板,其中,在位于同一列间隙处的各所述光阻挡条在所述行间隙处断开的情况下,在所述亚像素列方向上,每个光阻挡条的长度大于与该光阻挡条相邻的所述亚像素的长度的一半;在位于同一行间隙处的各所述光阻挡条在所述列间隙处断开的情况下,在所述亚像素行方向上,每个光阻挡条的长度大于与该光阻挡条相邻的所述亚像素的长度的一半。
- 如权利要求6所述的显示面板,其中,在位于同一列间隙处的各所述光阻挡条在所述行间隙处断开的情况下,在所述亚像素列方向上,每个光阻挡条的长度基本等于与该光阻挡条相邻的所述亚像素的长度;在位于同一行间隙处的各所述光阻挡条在所述列间隙处断开的情况下,在所述亚像素行方向上,每个光阻挡条的长度基本等于与该光阻挡条相邻的所述亚像素的长度。
- 如权利要求3-7任一所述的显示面板,还包括在所述阵列基板与所述对向基板之间的主隔垫物,所述主隔垫物位于所述亚像素的所述行间隙以及所述列间隙交叉的位置处。
- 如权利要求8所述的显示面板,其中,所述光阻挡条的高度小于所述主隔垫物的高度;所述主隔垫物与相邻的所述光阻挡条之间均具有第二间隙。
- 如权利要求8或9所述的显示面板,其中,所述光阻挡条与所述主隔垫物同层设置且材料相同。
- 如权利要求8-10任一所述的显示面板,还包括位于所述阵列基板与所述对向基板之间的副隔垫物,所述副隔垫物与所述主隔垫物间隔设置;所述副隔垫物的高度小于所述主隔垫物的高度,且所述副隔垫物的高度大于所述光阻挡条的高度。
- 如权利要求11所述的显示面板,其中,所述副隔垫物与所述所述光阻挡条和所述主隔垫物同层设置且材料相同。
- 如权利要1-12任一所述的显示面板,其中,所述光阻挡条的高度为第一表面与第二表面之间间距的一半,所述第一表面为所述阵列基板的面向所述对向基板的表面,所述第二表面为所述对向基板的面向所述阵列基板的表面。
- 如权利要求1-13任一项所述的显示面板,其中,所述对向基板包 括黑矩阵;所述黑矩阵在所述阵列基板上的正投影与所述光阻挡条在所述阵列基板上的正投影重叠。
- 如权利要求4-13任一所述的显示面板,其中,所述对向基板包括黑矩阵,所述黑矩阵包括第一黑矩阵、第二黑矩阵以及第三黑矩阵;其中,所述第一黑矩阵在所述阵列基板上的正投影与所述行间隙重叠;所述第二黑矩阵在所述阵列基板上的正投影与所述列间隙重叠,所述第三黑矩阵在所述阵列基板上的正投影与所述行间隙和所述列间隙的交叉位置重叠。
- 如权利要求15所述的显示面板,其中,在位于同一列间隙处的各所述光阻挡条在所述行间隙处断开的情况下,所述第二黑矩阵在所述阵列基板上的正投影与所述光阻挡条在所述阵列基板上的正投影重叠;在位于同一行间隙处的各所述光阻挡条在所述行间隙处断开的情况下,所述第一黑矩阵在所述阵列基板上的正投影与所述光阻挡条在所述阵列基板上的正投影重叠。
- 一种显示装置,包括如权利要求1-16任一项所述的显示面板。
- 一种显示面板的制作方法,包括:分别形成阵列基板和对向基板,其中,所述阵列基板包括呈阵列排布的多个亚像素,所述阵列基板或者所述对向基板包括至少一个光阻挡条;将所述阵列基板与所述对向基板对盒,其中,所述至少一个光阻挡条位于所述阵列基板与所述对向基板之间,并且所述至少一个光阻挡条在所述阵列基板的正投影位于相邻两个被配置为出光颜色不同的所述亚像素之间,且所述正投影为条状。
- 如权利要求18所述的显示面板的制作方法,其中,所述至少一个光阻挡条形成于所述阵列基板上,且在所述阵列基板与所述对向基板对盒后,所述至少一个光阻挡条的面向所述对向基板的表面与所述对向基板之间具有第一间隙;或者所述至少一个光阻挡条形成于所述对向基板上,且在所述阵列基板与所述对向基板对盒后,所述至少一个光阻挡条的面向所述阵列基板的表面与所述阵列基板之间具有第一间隙。
- 如权利要求19所述的显示面板的制作方法,其中,所述多个亚像 素排布为多行多列,相邻的两行亚像素之间具有行间隙,相邻的两列亚像素之间具有列间隙;所述制作方法还包括:在所述阵列基板上,且在所述行间隙以及所述列间隙交叉的位置处形成主隔垫物;在所述阵列基板上形成与所述主隔垫物间隔排布的副隔垫物;其中,所述副隔垫物与所述主隔垫物和所述至少一个光阻挡条采用同一掩模版同层形成。
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