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 PDF

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Publication number
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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WO
WIPO (PCT)
Prior art keywords
light blocking
sub
array substrate
gap
display panel
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Application number
PCT/CN2020/078784
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English (en)
French (fr)
Inventor
李静
秦伟达
李伟
陈延青
李岩锋
王宁
辛昊毅
王炎
郭攀
Original Assignee
京东方科技集团股份有限公司
鄂尔多斯市源盛光电有限责任公司
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Publication of WO2020238323A1 publication Critical patent/WO2020238323A1/zh

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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
    • 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
    • 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
    • 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

一种显示面板及其制作方法、显示装置。显示面板包括相对设置的阵列基板(1)和对向基板(2)，阵列基板(1)包括呈阵列排布的多个亚像素(3)；显示面板还包括设置在阵列基板(1)与对向基板(2)之间的至少一个光阻挡条(4)，至少一个光阻挡条(4)在阵列基板(1)的正投影位于相邻两个被配置为出光颜色不同的亚像素(3)之间，且正投影为长条状。显示面板可以避免串色等不良，提高显示效果。

Description

显示面板及其制作方法、显示装置
本申请要求于2019年05月24日递交的中国专利申请第201910438487.4号的优先权，在此全文引用上述中国专利申请公开的内容以作为本申请的一部分。
技术领域
本公开至少一个实施例涉及一种显示面板及其制作方法、显示装置。
背景技术
液晶显示器(Liquid Crystal Display,LCD)，由于功耗很低，并且具有高画质、体积小、重量轻的特点，因此倍受大家青睐，成为当前显示器的主流。目前液晶显示器以薄膜晶体管(Thin Film Transistor，TFT)液晶显示器为主，其显示面板通常包括相对设置的彩膜基板、TFT阵列基板以及设置于两基板之间的液晶层。
发明内容
本公开至少一个实施例提供一种显示面板，该显示面板包括：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。
例如，本公开至少一个实施例提供的显示面板中，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。
例如，本公开至少一个实施例提供的显示面板中，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。
例如，本公开至少一个实施例提供的显示面板中，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。
例如，本公开至少一个实施例提供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的列方向延伸。
例如，本公开至少一个实施例提供的显示面板中，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。
例如，本公开至少一个实施例提供的显示面板中，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。
例如，本公开至少一个实施例提供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。
例如，本公开至少一个实施例提供的显示面板中，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。
例如，本公开至少一个实施例提供的显示面板中，所述光阻挡条与所述主隔垫物同层设置且材料相同。
例如，本公开至少一个实施例提供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。
例如，本公开至少一个实施例提供的显示面板中，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。
例如，本公开至少一个实施例提供的显示面板中，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。
例如，本公开至少一个实施例提供的显示面板中，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。
例如，本公开至少一个实施例提供的显示面板中，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。
例如，本公开至少一个实施例提供的显示面板中，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。
本公开至少一个实施例还提供一种显示装置，包括本公开实施例提供的显示面板。
本公开至少一个实施例还提供一种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。
例如，本公开至少一个实施例提供的制作方法中，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。
例如，本公开至少一个实施例提供的制作方法中，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。
附图说明
为了更清楚地说明本公开实施例的技术方案，下面将对实施例的附图作简单地介绍，显而易见地，下面描述中的附图仅仅涉及本公开的一些实施例，而非对本公开的限制。
图1A为本公开至少一实施例提供的一种显示面板的结构示意图；
图1B为本公开至少一实施例提供的另一种显示面板的结构示意图；
图2为本公开至少一实施例提供的光阻挡条位于亚像素列间隙的显示面板的结构示意图；
图3为本公开至少一实施例提供的光阻挡条位于亚像素行间隙的显示面板的结构示意图；
图4为本公开至少一实施例提供的设置有主隔垫物的显示面板的剖视结构示意图；
图5为本公开至少一实施例提供的设置有主隔垫物的显示面板的俯视结 构示意图；
图6为本公开至少一实施例提供的一种显示面板的剖视结构示意图；
图7为本公开至少一实施例提供的一种显示面板的制作流程示意图。
具体实施方式
为了使得本公开实施例的目的、技术方案和优点更加清楚，下面将结合本公开实施例的附图，对本公开实施例的技术方案进行清楚、完整地描述。显然，所描述的实施例是本公开的一部分实施例，而不是全部的实施例。基于所描述的本公开的实施例，本领域普通技术人员在无需创造性劳动的前提下所获得的所有其他实施例，都属于本公开保护的范围。
除非另外定义，本公开使用的技术术语或者科学术语应当为本公开所属领域内具有一般技能的人士所理解的通常意义。本公开中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。“包括”或者“包含”等类似的词语意指出现该词前面的元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同，而不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。“上”、“下”、“左”、“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也可能相应地改变。
在目前的显示面板，例如液晶显示面板中，由于面板结构设计的原因，容易造成人眼在侧视角观察显示面板时，产生串色不良等问题，影响视觉效果。
本公开的实施例提供一种显示面板及其制作方法、显示装置。该显示面板包括相对设置的阵列基板和对向基板，阵列基板包括呈阵列排布的多个亚像素；显示面板还包括设置在阵列基板与对向基板之间的至少一个光阻挡条，该至少一个光阻挡条在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亚像素之间。该显示面板可以在人眼以侧视角观察显示面板时，利用光阻挡条阻挡亚像素侧向出射的光，以避免该光射入相邻的亚像素，进而避免了串色等不良，提高了显示效果。
下面，通过几个具体的实施例对本公开实施例提供的显示面板及其制作方法、显示装置进行说明。
为了保持本公开实施例的以下说明清楚且简明，本公开的实施例省略了部分已知功能和已知部件的详细说明。
例如，图1A示出了本公开至少一实施例提供的一种显示面板的结构示意图。参见图1，该显示面板包括阵列基板1和对向基板2，且具有多个呈阵列排布的亚像素3，阵列基板1与对向基板2之间还具有至少一个光阻挡条4，图中示出为多个光阻挡条4，每个光阻挡条4在阵列基板1的正投影位于相邻两个被配置为出光颜色不同的亚像素3之间。例如，每个光阻挡条4在阵列基板1的正投影为长条状。
例如，在一些示例中，相邻两个被配置为出光颜色不同的亚像素3之间具有间隙，光阻挡条4设置在该间隙处；或者，相邻两个被配置为出光颜色不同的亚像素3之间不具有间隙或者具有较小的间隙，此时，光阻挡条4在阵列基板1的正投影可以位于相邻两个被配置为出光颜色不同的亚像素3的交界处，并与该相邻的两个亚像素中的一个重叠或者与该相邻的两个亚像素均重叠。
在本公开实施例提供的显示面板中，相邻的被配置为不同出光颜色的亚像素3之间设置有光阻挡条4，当人眼以侧视角观察该显示面板时，该光阻挡条4可以阻挡从当前亚像素3的出射光从相邻的其它亚像素3斜向射出，从而避免该光照射到相邻亚像素对应位置处的色阻膜层，以避免造成串色等不良，提高显示面板的显示效果。
例如，本公开实施例提供的显示面板可以为液晶显示面板(LCD)、有机发光二极管显示面板(OLED)等任意形式的显示基板，本公开的实施例对显示面板的种类不做限定。
下面，以液晶显示面板为例，对本公开实施例提供的显示面板的结构以及技术效果进行详细介绍。
例如，在一些实施例中，参见图1A，液晶显示面板包括阵列基板1和对向基板2，且具有多个亚像素3，例如，从左至右多个亚像素3依次包括绿色亚像素、蓝色亚像素、红色亚像素、绿色亚像素和红色亚像素，各亚像素依次对应设置有绿色色阻211、蓝色色阻212、红色色阻213、绿色色阻211、蓝色色阻212。每相邻的两个亚像素3之间设置一个光阻挡条4。例如，当该液晶显示面板单独显示红色显示画面时，绿色亚像素和蓝色亚像素均为关闭状态。当人眼从右侧观察该液晶显示面板时，部分红色亚像素内的光线 斜向通过对向基板的绿色色阻211，若不设置光阻挡条4，这部分绿光光混入到红色显示画面中形成串色，而本公开实施例提供的液晶显示面板通过设置光阻挡条4，可以避免该红色亚像素内的光线斜向通过对向基板的绿色色阻211，进而可以避免这部分绿光光混入到红色显示画面中，进而避免串色等问题。其它亚像素处的遮挡原理与上述相似，不再赘述。
例如，在一些实施例中，对向基板可以为彩膜基板，彩膜基板的用于进行光色转换的元件也可以为其它种类，而不限于上述色阻膜层，例如，进行光色转换的还可以是光子晶体膜层，还可以是量子点色转换膜层等。
例如，在一些实施例中，如图1A所示，光阻挡条4可以设置在阵列基板1上。例如，光阻挡条4可以设置于阵列基板1的面向对向基板2的一面，且光阻挡条4的面向对向基板2的表面与对向基板2之间具有第一间隙，即，光阻挡条4与对向基板2之间具有预设距离d1，d1大于零。由于液晶显示面板光在阵列基板1一侧提供，光阻挡条4位于阵列基板1的面向对向基板2的一面，可以更好地阻挡光斜向射到相邻亚像素单元的色阻膜层，遮光效果更好。
例如，如图1B所示，光阻挡条4也可以设置在对向基板2上。例如，光阻挡条4设置于对向基板2的面向阵列基板1的一面，且光阻挡条4的面向阵列基板1的表面与阵列基板1之间具有第一间隙，即，光阻挡条4与对向基板2之间具有预设距离d1，d1大于零。在此情况下，光阻挡条4同样可以起到良好的遮光效果。
例如，在一些实施例中，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；出光颜色不同的亚像素沿亚像素行方向依次排列，多个光阻挡条位于列间隙处，且位于同一列间隙处的各光阻挡条在行间隙处断开。例如，在一些示例中，每相邻的两个出光颜色不同的亚像素之间设置一个光阻挡条。
图2示出了光阻挡条位于亚像素列间隙的显示面板的结构示意图，此时，图1A和图1B例如是沿图2中的A-A线剖切得到的。
例如，如图2所示，出光颜色不同的亚像素3沿亚像素行方向(图中的水平方向)依次排列，光阻挡条4位于亚像素3的列间隙62处，且每个光阻挡条4在亚像素列方向(图中的竖直方向)上的长度大于在亚像素行方向上的长度。例如，位于同一列间隙62处的各光阻挡条4之间在亚像素3的 行间隙61处断开。由此可以避免光阻挡条4阻挡阵列基板与对向基板之间的液晶在相邻亚像素3之间进行流动，进而避免影响正常的显示效果。
例如，在一些实施例中，显示面板还包括用于为多个亚像素3提供数据信号的数据线13，数据线13沿亚像素3的列方向延伸，此时，光阻挡条4的延伸方向与数据线13的延伸方向相同。
例如，在亚像素列方向上，每个光阻挡条4的长度大于亚像素3(例如与该光阻挡条4相邻的亚像素3)的长度的一半，例如大于亚像素3的长度的三分之二。例如，在一些示例中，在亚像素列方向上，每个光阻挡条4的长度基本等于亚像素3(例如与该光阻挡条4相邻的亚像素3)的长度，即在图2示出的实施例中，相邻的两个光阻挡条4被断开的距离基本等于行间隙61的宽度(即间隙61在列方向上的长度)。由此，光阻挡条4可以在相邻的亚像素之间起到充分的遮光作用。
当然，出光颜色不同的亚像素3也可以是以其它方式进行排列，例如，出光颜色不同的亚像素沿亚像素列方向依次排列，多个光阻挡条位于行间隙处，且位于同一行间隙处的各光阻挡条在列间隙处断开。
图3示出了光阻挡条位于亚像素行间隙的显示面板的结构示意图，此时，图1A和图1B例如是沿图3中的A-A线剖切得到的。
例如，如图3所示，出光颜色不同的亚像素3沿亚像素列方向依次排列，光阻挡条4可以位于亚像素3的行间隙61处，每个光阻挡条4在亚像素行方向上的长度大于在亚像素列方向上的长度。例如，位于同一行间隙61的各光阻挡条4之间在亚像素3的列间隙62处断开。该方案同样可以避免光阻挡条4阻挡阵列基板与对向基板之间的液晶在相邻亚像素3之间进行流动，进而避免影响正常的显示效果。
例如，在亚像素行方向上，每个光阻挡条4的长度大于亚像素3(例如与该光阻挡条4相邻的亚像素3)的长度的一半，例如大于亚像素3的长度的三分之二。例如，在一些示例中，在亚像素行方向上，每个光阻挡条4的长度基本等于亚像素3(例如与该光阻挡条4相邻的亚像素3)的长度，即在图3示出的实施例中，相邻的两个光阻挡条4被断开的距离基本等于列间隙62的宽度。由此，光阻挡条4可以在相邻的亚像素之间起到充分的遮光作用。
例如，在一些实施例中，光阻挡条4的形状可以为条状的长方体，即光 阻挡条4在阵列基板1上的正投影为长条状，如图2和图3所示。在光阻挡条4位于亚像素列间隙62时，光阻挡条4的延伸方向具体可以与亚像素列间隙62的延伸方向相同，在一些示例中，一条亚像素列间隙62的光阻挡条4在相邻两条亚像素行间隙61之间可以为一体结构。在光阻挡条4位于行间隙61时，光阻挡条4的延伸方向可以与亚像素行间隙61的延伸方向相同，在一些示例中，一条亚像素行间隙61的光阻挡条4在相邻两条亚像素列间隙62之间可以为一体结构。
需要说明的是，在本公开的实施例中，亚像素行方向和亚像素列方向为相交的两个方向，在上述实施例中，亚像素行方向和亚像素列方向基本相互垂直，在另一些实施例中，亚像素行方向和亚像素列方向也可以不垂直，而呈其他角度，本公开的实施例对此不做限定。
例如，图4示出了设置有主隔垫物的显示面板的剖视结构示意图，图5示出了设置有主隔垫物的显示面板的俯视结构示意图，如4例如是沿图5中的B-B剖切得到的。
例如，如图4和图5所示，液晶显示面板在阵列基板1与对向基板2之间还包括主隔垫物5，主隔垫物5位于亚像素行间隙以及列间隙交叉的位置处。主隔垫物5可以支撑阵列基板和对向基板，以维持阵列基板和对向基板之间的间距。
例如，光阻挡条4的高度小于主隔垫物5的高度，主隔垫物5与相邻的光阻挡条4之间均具有第二间隙7。由此避免光阻挡条4被挤压。上述高度是指在垂直于阵列基板的表面方向上的尺寸。
例如，在一些实施例中，主隔垫物5和光阻挡条4均设置在阵列基板1上，主隔垫物5和光阻挡条4同层设置且材料相同。
需要注意的是，本公开的实施例中，“同层设置”为两个功能层或结构层在显示基板的层级结构中同层且同材料形成，即在制备工艺中，该两个功能层或结构层可以由同一个材料层形成，且可以通过同一构图工艺形成所需要的图案和结构。
例如，在一些实施例中，如图4和图5所示，对向基板2可以包括黑矩阵22。例如，黑矩阵22在阵列基板1上的正投影与光阻挡条4在阵列基板1上的正投影重叠，即黑矩阵22在阵列基板1上的正投影至少部分覆盖光阻挡条4在阵列基板1上的正投影，例如，黑矩阵22在阵列基板1上的正投 影完全覆盖光阻挡条4在阵列基板1上的正投影。由此可以避免光阻挡条4对液晶显示面板开口率产生影响。
例如，在一些实施例中，如图5所示，黑矩阵22可以包括位于亚像素行间隙处的第一黑矩阵221、位于亚像素列间隙处的第二黑矩阵222和位于亚像素行间隙与亚像素列间隙交叉位置处的第三黑矩阵220。当光阻挡条4位于亚像素的列间隙时，光阻挡条4在阵列基板1上的正投影可以与第二黑矩阵222在阵列基板1上的正投影重叠，即光阻挡条4在阵列基板1上的正投影可以被黑矩阵22的第二黑矩阵222在阵列基板1上的正投影覆盖；当光阻挡条4位于亚像素的行间隙时，光阻挡条4在阵列基板1上的正投影可以与第一黑矩阵221在阵列基板1上的正投影重叠，即光阻挡条4在阵列基板1上的正投影可以被黑矩阵22的第一黑矩阵221在阵列基板1上的正投影覆盖。
例如，在一些实施例中，如图4所示，显示基板还可以包括位于阵列基板1与对向基板2之间的副隔垫物8，副隔垫物8与主隔垫物5间隔设置。副隔垫物8也可以支撑阵列基板1和对向基板2，从而与主隔垫物5一起维持阵列基板和对向基板之间的距离。
例如，副隔垫物8的高度小于主隔垫物5的高度，且副隔垫物8的高度大于光阻挡条4的高度。例如，副隔垫物8也可以位于亚像素行间隙及列间隙交叉的位置处，即，主隔垫物5可以位于亚像素行间隙及列间隙交叉的部分位置处，而副隔垫物8可以位于亚像素行间隙及列间隙交叉的除设置主隔垫物5以外的其它交叉位置处。上述实施例中，副隔垫物8的高度大于光阻挡条4的高度，可以防止光阻挡条4对阵列基板1以及对向基板2之间的支撑力过大，造成副隔垫物8起不到应有的支撑作用。
例如，光阻挡条4、主隔垫物5以及副隔垫物8可以均设置在阵列基板上，并且光阻挡条4、主隔垫物5以及副隔垫物8同层设置且材料相同。由此可以在制作显示面板的过程中，采用一个掩模版、通过一次构图工艺形成光阻挡条4、主隔垫物5以及副隔垫物8，由此简化显示面板的制备工艺。
例如，在一些实施例中，如图4所示，光阻挡条4的高度d2为第一表面与第二表面之间间距d3的一半，第一表面为阵列基板1的面向对向基板2的表面，第二表面为对向基板2的面向阵列基板1的表面。由此可以避免光阻挡条4高度过低时，起不到遮挡光的作用，光阻挡条4高度过高时，造成 副隔垫物起不到应有的支撑作用，并且可以在不影响液晶显示面板其它结构的前提下，达到较佳的阻挡光效果。
例如，显示面板还可以具有像素驱动电路、阵列基板与对向基板之间的液晶层等结构，本公开的实施例对显示面板的其他结构不做限定。例如，在一些实施例中，如图6所示，阵列基板1可以包括第一衬底基板10，依次位于第一衬底基板10面向对向基板2一侧的栅极11、栅极绝缘层12、数据线13、树脂层14、公共电极层15(CITO)、绝缘层16、像素电极17(PITO)和第一取向层18。对向基板2可以包括第二衬底基板20，依次位于第二衬底基板20面向阵列基板1一侧的黑矩阵22、色阻膜层(例如可以包括绿色色阻211、蓝色色阻212、红色色阻213)、光学胶层23(OC)、第二取向层24。阵列基板1与对向基板2之间具体还可以设置有液晶。
本公开至少一实施例还提供一种显示装置，该显示装置包括本公开实施例提供的显示面板。
例如，该显示装置可以为手机、平板电脑、电视机、显示器、笔记本电脑、数码相机、导航仪等任意具有显示功能的产品或部件。本公开的实施例对此不做限定。
本公开至少一实施例还提供一种显示面板的制作方法，如图7所示，该制作方法包括步骤S101和步骤S102。
步骤S101：分别形成阵列基板和对向基板，阵列基板包括呈阵列排布的多个亚像素，阵列基板或者对向基板包括至少一个光阻挡条。
例如，至少一个光阻挡条包括多个光阻挡条，光阻挡条形成在阵列基板上或者对向基板上。
例如，在一些实施例中，多个光阻挡条形成在阵列基板上，并且在阵列基板上，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；此时，制作阵列基板还包括：在行间隙以及列间隙交叉的位置处形成主隔垫物。例如，主隔垫物与光阻挡条采用同一掩模版同层形成。
例如，在一些实施例中，制作阵列基板还包括：在阵列基板上形成与主隔垫物间隔排布的副隔垫物。例如，副隔垫物与主隔垫物和光阻挡条采用同一掩模版同层形成。
例如，同层形成副隔垫物、主隔垫物和光阻挡条包括：在阵列基板上形 成一层材料层，然后通过掩模版对该材料层进行构图工艺，由此形成图案化的副隔垫物、主隔垫物和光阻挡条。例如，依次构图工艺包括光刻胶的涂覆、曝光、显影以及刻蚀等工艺。例如，光阻挡条、主隔垫物和副隔垫物的材料可以为聚酰亚胺、树脂等有机材料，本公开的实施例对此不作具体限定。
例如，在一些示例中，可以通过半色调掩模或者灰色调掩模工艺同时形成高度不同的主隔垫物、副隔垫物以及光阻挡条。由此可以在不增加掩模工艺的情况下，形成光阻挡条，简化显示基板的制作工艺。例如，主隔垫物的高度大于副隔垫物的高度，副隔垫物的高度大于光阻挡条的高度。
例如，形成对向基板包括在对向基板上形成黑矩阵，在阵列基板与对向基板对盒后，黑矩阵在阵列基板上的正投影与光阻挡条在阵列基板上的正投影重叠。
步骤S102：将所述阵列基板与对向基板对盒，至少一个光阻挡条位于阵列基板与对向基板之间，并且至少一个光阻挡条在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亚像素之间。
例如，在阵列基板与对向基板对盒后，阵列基板与对向基板被主隔垫物和副隔垫物支撑。在光阻挡条形成于阵列基板的情况下，光阻挡条的面向对向基板的表面与对向基板之间具有第一间隙；或者，在光阻挡条形成于对向基板的情况下，光阻挡条的面向阵列基板的表面与阵列基板之间具有第一间隙。由此可以避免光阻挡条被挤压，光阻挡条可以充分实现为亚像素的遮光效果。
例如，当显示面板为液晶显示面板时，制作方法还可以包括在阵列基板与对向基板之间填充液晶等步骤，本公开的实施例对此不做限定。
采用本公开实施例提供的制作方法得到的显示面板，包括位于相邻两个出光颜色不同的亚像素之间的光阻挡条，进而在人眼以侧视角观察显示面板时，该光阻挡条可以阻挡当前亚像素的光从相邻其它亚像素斜向射出，避免该光照射到相邻亚像素对应位置处的相应色阻膜层，进而避免造成串色等不良，提高显示面板的显示效果。
对于本公开，还有以下几点需要说明：
(1)本公开实施例附图只涉及到与本公开实施例涉及到的结构，其他结构可参考通常设计。
(2)为了清晰起见，在用于描述本公开的实施例的附图中，层或区域 的厚度被放大或缩小，即这些附图并非按照实际的比例绘制。
(3)在不冲突的情况下，本公开的实施例及实施例中的特征可以相互组合以得到新的实施例。
以上所述，仅为本公开的具体实施方式，但本公开的保护范围并不局限于此，本发明的保护范围应以所述权利要求的保护范围为准。

Claims (20)

  1. 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。
  2. 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。
  3. 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。
  4. 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。
  5. 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。
  6. 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。
  7. 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。
  8. 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。
  9. 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。
  10. 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。
  11. 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。
  12. 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。
  13. 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。
  14. 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。
  15. 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。
  16. 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。
  17. 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。
  18. 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。
  19. 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。
  20. 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。
PCT/CN2020/078784 2019-05-24 2020-03-11 显示面板及其制作方法、显示装置 WO2020238323A1 (zh)

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