WO2021120309A1 - 显示装置 - Google Patents

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Publication number
WO2021120309A1
WO2021120309A1 PCT/CN2019/129231 CN2019129231W WO2021120309A1 WO 2021120309 A1 WO2021120309 A1 WO 2021120309A1 CN 2019129231 W CN2019129231 W CN 2019129231W WO 2021120309 A1 WO2021120309 A1 WO 2021120309A1
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WO
WIPO (PCT)
Prior art keywords
color resist
resist layer
area
display device
substrate
Prior art date
Application number
PCT/CN2019/129231
Other languages
English (en)
French (fr)
Inventor
张凯迪
邱柏鈞
Original Assignee
友达光电（昆山）有限公司
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Filing date
Publication date
Application filed by 友达光电（昆山）有限公司 filed Critical 友达光电（昆山）有限公司
Priority to US17/437,177 priority Critical patent/US11762232B2/en
Publication of WO2021120309A1 publication Critical patent/WO2021120309A1/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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G02F1/13312—Circuits comprising photodetectors for purposes other than feedback
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13398—Spacer materials; Spacer properties
    • 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

  • the present invention relates to a display device, and more particularly to a display device with optical sensing elements.
  • the existing optical sensing elements are generally installed on the front and back sides of the electronic product.
  • the optical sensing element When the optical sensing element is installed on the front with the display panel, the following two methods are usually used: one is the through-hole mode, which is set on the display panel Through holes, the optical sensing elements are placed directly under the filter glass layer; the other is a blind hole mode, where no through holes are provided on the display panel, and the optical sensing elements are placed directly under the display panel.
  • the blind hole mode is adopted, a circle of isolation area will be formed around the blind hole. Ideally, the isolation area should be displayed in black, and the other areas should be in normal display mode.
  • the height of the flat layer in the isolation area is inconsistent with the flat layers in other areas, resulting in the display molecular layer not being able to completely fill the isolation area, and the isolation area is isolated by a single color resist layer, so there will be a single color of light leaking, making the isolation area display different colors , It affects the sensing effect of the optical sensing element, and also affects the appearance of the product.
  • the embodiment of the present invention provides a display device that can better maintain the thickness of the flat layer, reduce the leakage of light of a single color from the isolation area, reduce the influence of light leakage on the optical sensing element, and improve the appearance effect of the product.
  • a display device includes a first substrate having a display area and a peripheral area adjacent to each other; a second substrate having a first light-shielding layer and a color resist layer, the color resist layer having a A first color resist layer, a second color resist layer, and a third color resist layer.
  • the first color resist layer, the second color resist layer, and the third color resist layer are arranged in strips respectively.
  • the first light-shielding layer a display molecular layer disposed between the first substrate and the second substrate; a first light sensing area disposed on the first substrate and the second substrate; A spacer area is disposed around the first light sensing area, the first spacer area further includes: a second light-shielding layer, the second light-shielding layer forms a first projection area on the second substrate; Four-color resist layer, the fourth color resist layer forms a second projected area on the second substrate; wherein the ratio between the second projected area and the first projected area is between 0.01 and 0.07 between.
  • the fourth color resist layer is the same film layer as one of the first color resist layer, the second color resist layer, or the third color resist layer.
  • the fourth color resist layer has a plurality of fourth color resist layer units.
  • each of the fourth color resist layer units is cylindrical, and the vertical projection of each of the fourth color resist layer units on the second substrate is dot-shaped.
  • the plurality of fourth color resist layer units are uniformly arranged.
  • the first spacing area further includes a fifth color resist layer, and the fifth color resist layer forms a third projection area on the second substrate;
  • the ratio of the sum of the second projected area and the third projected area to the first projected area is between 0.01 and 0.07.
  • the fifth color resist layer is the same film layer as one of the first color resist layer, the second color resist layer, or the third color resist layer.
  • the fifth color resist layer has a plurality of fifth color resist layer units.
  • the plurality of fifth color resist layer units are uniformly arranged.
  • the first spacing area further includes a sixth color resist layer, and the sixth color resist layer forms a fourth projection area on the second substrate; wherein, the second projection area ,
  • the ratio between the sum of the third projected area and the fourth projected area and the first projected area is between 0.01 and 0.07.
  • the sixth color resist layer is the same film layer as one of the first color resist layer, the second color resist layer, or the third color resist layer.
  • the fourth color resist layer, the fifth color resist layer or the sixth color resist layer are different film layers.
  • the fourth color resist layer has a plurality of fourth color resist layer units
  • the fifth color resist layer has a plurality of fifth color resist layer units
  • the sixth color resist layer has a plurality of A sixth color resist layer unit.
  • the plurality of fourth color resist layer units, the plurality of fifth color resist layer units, or the plurality of sixth color resist layer units are uniformly arranged.
  • the plurality of fourth color resist layer units, the plurality of fifth color resist layer units, or the plurality of sixth color resist layer units are arranged at intervals with each other.
  • the above-mentioned display device further includes a second light sensing area and a second spacing area, and the second spacing area is arranged around the second light sensing area.
  • a seventh color resist layer, an eighth color resist layer, or a ninth color resist layer is provided between the first spacer region and the second spacer region, and the seventh color resist The layer, the eighth color resist layer or the ninth color resist layer are arranged on the second substrate in a strip shape.
  • FIG. 1A is a schematic structural diagram of a display device according to an embodiment of the invention.
  • Fig. 1B is a cross-sectional view of Fig. 1A along the line a-a'.
  • FIG. 2A is a schematic structural diagram of a display device according to another embodiment of the present invention.
  • Fig. 2B is a cross-sectional view of Fig. 2A along the line a-a'.
  • Fig. 2C is a cross-sectional view of Fig. 2A along the line b-b'.
  • 3A-3E are schematic diagrams of different arrangements of the color resist layers in the spacer area of the present invention.
  • FIG. 4A is a schematic structural diagram of a display device according to another embodiment of the present invention.
  • FIG. 4B is an enlarged schematic diagram of area Q in FIG. 4A.
  • AD Active component array
  • Fig. 1A is a schematic structural diagram of a display device according to an embodiment of the present invention
  • Fig. 1B is a cross-sectional view taken along the line a-a' of Fig. 1A.
  • the display device 100 includes a first substrate 101, a second substrate 102, and a display molecular layer 105 disposed between the first substrate 101 and the second substrate 102.
  • the first substrate 101 and the second substrate 102 are disposed opposite to each other.
  • the first substrate 101 has an adjacent display area AA and a peripheral area BA (not shown in the figure).
  • the first substrate 101 is, for example, an active array substrate and has a multilayer structure to form an active device array AD , I won’t repeat it here.
  • An area on the second substrate 102 corresponding to the display area AA is provided with a first light-shielding layer 103, an opening is provided in the first light-shielding layer 103, and a color resist layer 104 is formed in the opening of the first light-shielding layer 103.
  • the color resist layer 104 may be composed of a first color resist layer (for example, color resist B), a second color resist layer (for example, color resist R), and a third color resist layer (for example, color resist G), and the first color
  • the resist layer, the second color resist layer, and the third color resist layer are arranged on the second substrate 102 in strips, so that the color resist layer 104 can be accommodated in the opening of the first light-shielding layer 103.
  • a flat layer OC is also formed on the second substrate 102, and a spacer PS is also provided between the first substrate 101 and the second substrate 102, which will not be described in detail here.
  • the display device 100 is further provided with a first light sensing area 106 and a first spacing area 107.
  • the first light sensing area 106 has a circular shape, and can also be designed into a square, elliptical or other shape as required, and the present invention is not limited thereto.
  • the first spacing area 107 is arranged around the first light sensing area 106 such that the first spacing area 107 is located between the display area AA and the first light sensing area 106.
  • the first light sensing area 106 may be disposed in the display area AA, so that the periphery of the first light sensing area 106 is the display area AA.
  • the first spacing area 107 is disposed between the first light sensing area 106 and the display area AA, so that the first spacing area 107 can be used as a transition area between the first light sensing area 106 and the display area AA.
  • a second light-shielding layer 108 and a fourth color resist layer 109 are provided in the first spacer region 107.
  • the second light-shielding layer 108 forms a projected area S1 on the second substrate 102
  • the fourth color resist layer 109 forms a projected area S2 on the second substrate 102.
  • the ratio between the projected area S2 and the projected area S1 should satisfy the following relationship : 0.01 ⁇ S2/S1 ⁇ 0.07, in this way, the problem of light leakage from the first light sensing region 106 can be reduced.
  • the second light-shielding layer 108 is formed in the first spacer region 107 in a whole-area arrangement, that is, in the first spacer region 107, the second light-shielding layer 108 does not have any patterned openings.
  • the second light shielding layer 108 can be regarded as the bounding range of the first spacer region 107.
  • the fourth color resist layer 109 can be made of the same film layer as one of the first color resist layer, the second color resist layer, or the third color resist layer. , That is, any one of color resistance R, color resistance G, and color resistance B.
  • the fourth color resist layer 109 is composed of a plurality of fourth color resist layer units.
  • the projected area S2 is the sum of the projected areas formed by all the fourth color resist layer units on the second substrate 102.
  • each fourth color resist layer unit is cylindrical, and its vertical projection on the second substrate 102 is dot-shaped.
  • the fourth color resist layer unit may also have a square column shape, an elliptical cylinder shape or other shapes, and the present invention is not limited to this.
  • the plurality of fourth color resist layer units may be arranged uniformly or dispersedly, as long as the ratio relationship between S2 and S1 can be satisfied.
  • Fig. 2A is a schematic structural diagram of a display device according to another embodiment of the present invention.
  • Fig. 2B is a cross-sectional view taken along the line a-a' of Fig. 2A
  • Fig. 2C is a cross-sectional view taken along the line b-b' of Fig. 2A.
  • a fifth color resist layer 110 may be provided in the first spacing area 107 of the display device 100.
  • the fifth color resist layer 110 may be the same as the fourth color resist layer.
  • the first color resist layer, the second color resist layer, or the third color resist layer are made of the same film layer, that is, any one of the color resist R, the color resist G, and the color resist B, but the fourth color resist layer 109
  • the fifth color resist layer 110 should be made of a different film layer.
  • the fifth color resist layer 110 forms a projected area S3 on the second substrate 102, wherein the ratio of the projected area S2, the projected area S3 to the projected area S1 should satisfy the following relationship: 0.01 ⁇ (S2+ S3)/S1 ⁇ 0.07. In this way, the problem of light leakage from the first light sensing region 106 can be reduced.
  • the color resist layer units of two different colors are included.
  • the fourth color resist layer 109 may be a color resist B
  • the fifth color resist layer 110 is a color resist R, which can absorb light in more wavelength ranges and further reduce the light from the first light sensing area 106. The light leakage problem.
  • the fifth color resist layer 110 is composed of a plurality of fifth color resist layer units.
  • the projected area S3 is the projection area formed by all the fifth color resist layer units on the second substrate 102. sum.
  • each fifth color resist layer unit is cylindrical, and its vertical projection on the second substrate 102 is in the shape of a dot.
  • the fifth color resist layer unit may also have a square column shape, an elliptical cylinder shape or other shapes, and the present invention is not limited thereto.
  • the plurality of fifth color resist layer units can be arranged evenly or dispersedly, and the fourth color resist layer unit and the fifth color resist layer unit can be evenly arranged or dispersedly arranged, as long as It suffices to satisfy the ratio relationship of S2, S3 and S1.
  • the sixth color resist layer in the first spacing area 107 of the display device 100, in addition to the fourth color resist layer 109 and the fifth color resist layer 110, a sixth color resist layer (not shown in the figure) may also be provided.
  • the sixth color resist layer can be made of the same film layer as one of the first color resist layer, the second color resist layer or the third color resist layer, that is, the color resist R, the color resist G, and the color resist B.
  • the fourth color resist layer 109, the fifth color resist layer 110 and the sixth color resist layer are made of different layers.
  • the sixth color resist layer forms a projected area S4 on the second substrate 102, so that the first spacer area 107 includes color resist layer units of three different colors.
  • the ratio between the projected area S2, the projected area S3, the projected area S4 and the projected area S1 should satisfy the following relationship: 0.01 ⁇ (S2+S3+S4)/S1 ⁇ 0.07.
  • the sixth color resist layer is composed of a plurality of sixth color resist layer units.
  • the projected area S4 is all the sixth color resist layer units on the second substrate.
  • each sixth color resist layer unit is cylindrical, and its vertical projection on the second substrate 102 is in the shape of a dot.
  • the sixth color resist layer unit may also have a square column shape, an elliptical cylinder shape or other shapes, and the present invention is not limited thereto.
  • the plurality of sixth color resist layer units can be arranged evenly or dispersedly, and the fourth color resist layer units, the fifth color resist layer units, and the sixth color resist layer units can be evenly arranged among them. It can also be distributed, as long as it can meet the ratio of S2, S3, S4 and S1.
  • 3A-3E are schematic diagrams of different arrangements of the color resist layers in the spacer area of the present invention.
  • the present invention only takes the fourth color resist layer 109 and the fifth color resist layer 110 as examples.
  • a sixth color resist layer may also be provided in the first spacing region 107.
  • the fourth color resist layer 109 and the fifth color resist layer 110 are spaced apart from each other.
  • the fourth color resist layer 109 and the fifth color resist layer 110 are respectively composed of a plurality of fourth color resist layer units and fifth color resist layer units, and each fourth color resist layer
  • the layer unit or the fifth color resist layer unit is a cylinder.
  • the fourth color resist layer unit or the fifth color resist layer unit is arranged in a row in the vertical direction shown in the figure, and alternately arranged in the horizontal direction shown in the figure.
  • the fourth color resist layer unit or the fifth color resist layer unit are alternately arranged in the vertical direction shown in the figure or in the horizontal direction shown in the figure.
  • the manufacturing process is relatively simple.
  • the fourth color resist layer 109 and the fifth color resist layer 110 are respectively composed of a plurality of fourth color resist layer units and fifth color resist layer units, and each fourth color resist layer unit or The fifth color resistance layer unit is a rectangular parallelepiped.
  • the fourth color resist layer unit or the fifth color resist layer unit is arranged in a row in the vertical direction shown in the figure, and alternately arranged in the horizontal direction shown in the figure.
  • the fourth color resist layer unit or the fifth color resist layer unit are alternately arranged in the vertical direction shown in the figure or in the horizontal direction shown in the figure, and are arranged in a checkerboard shape.
  • the fourth color resist layer 109, the fifth color resist layer 110, and the first spacer region 107 form a concentric ring structure.
  • the rings formed by the fourth color resist layer 109 or the fifth color resist layer 110 are spaced apart from each other.
  • the fourth color resist layer 109 or the fifth color resist layer 110 in addition, the fourth color resist layer unit and the fifth color resist layer unit may be arranged uniformly or dispersedly, respectively, In addition, the fourth color resist layer unit and the fifth color resist layer unit can be evenly arranged or dispersedly arranged.
  • FIG. 4A is a schematic structural diagram of a display device according to another embodiment of the present invention
  • FIG. 4B is an enlarged schematic diagram of area Q in FIG. 4A.
  • the display device 100 is provided with a first light sensing area 106 and a second light sensing area 111, the first light sensing area 106 is surrounded by a first spacer area 107, and the second light sensing area 111 A second spacing area 112 is provided around.
  • the second spacer region 112 can adopt the same structure as the first spacer region 107, and the area between the second spacer region 112 and the first spacer region 107 can adopt the same structure as the color resist layer 104.
  • FIG. 1 is a schematic structural diagram of a display device according to another embodiment of the present invention
  • FIG. 4B is an enlarged schematic diagram of area Q in FIG. 4A.
  • the display device 100 is provided with a first light sensing area 106 and a second light sensing area 111
  • the first light sensing area 106 is surrounded
  • FIG. 4B there is a seventh color resist layer 114, an eighth color resist layer 115, or a ninth color resist layer 116 between the second spacer region 112 and the first spacer region 107, and the seventh color resist layer 114 ,
  • the eighth color resist layer 115 or the ninth color resist layer 116 is disposed on the second substrate 102 in a strip shape.
  • FIG. 4A The structures of the first spacer region 107 and the second spacer region 112 are the same as those of the above-mentioned embodiment, as shown in FIGS. 1B, 2B, and 2C. Please also refer to FIG.
  • the transitional compartment area 113 between the adjacent first spacer area 107 and the second spacer area 112, and a plurality of color resist layers are provided.
  • the arrangement and arrangement of the color resist layers of the transitional interval area 113 are the same as the arrangement and arrangement of the color resist layers of the display area AA, for example, the color resists are arranged in a stripe pattern on the second substrate, and different colors are arranged in a staggered manner.
  • the second light-shielding layer 108 is arranged in the entire area, which is different from the patterned arrangement of the first light-shielding layer 103 in the display area AA.
  • the color resist layer covers the second light-shielding layer.
  • the light-shielding layer 108 is not contained in the opening.
  • the thickness of the flat layer is better maintained, and the leakage of single-color light from the isolation area is reduced, and the influence of light leakage on the optical sensor element is reduced. , Improve the appearance of the product.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Liquid Crystal (AREA)
  • Optical Filters (AREA)

Abstract

一种显示装置(100)，包括第一基板(101)，具有相邻的一显示区(AA)与一周边区(BA)；第二基板(102)，具有一第一遮光层(103)及一色阻层(104)，色阻层(104)具有一第一色阻层、一第二色阻层以及一第三色阻层，第一色阻层、第二色阻层以及第三色阻层分别呈条状设置于第一遮光层（103）；显示分子层（105），设置于第一基板（101）和第二基板（102）之间；第一光感应区域（106），设置于第一基板（101）以及第二基板（102）；第一间隔区域（107），环绕设置于第一光感应区域（106），第一间隔区域（107）进一步包括：一第二遮光层（108），第二遮光层（108）于第二基板（102）形成一第一投影面积；第四色阻层（109）于第二基板（102）形成一第二投影面积；第二投影面积与第一投影面积之间的比值介于0.01～0.07之间。

Description

显示装置 技术领域
本发明是有关于一种显示装置，且特别是有关于一种具有光学感应元件的显示装置。
背景技术
随着科技的发展，显示装置被广泛应用在许多电子产品上，如手机、平板电脑、手表等。同时，为了满足更多的需求，电子产品上大多都安装了具有光学感应功能的元件，例如摄像头。
现有的光学感应元件一般都安装在电子产品的正反两面，在具有显示面板的正面上安装光学感应元件时，通常会采用以下两种方式：一种为通孔模式，在显示面板上设置通孔，使光学感应元件直接摆放在滤光玻璃层下方；另一种为盲孔模式，不在显示面板上设置通孔，光学感应元件直接摆放在显示面板下方。当采用盲孔模式时，盲孔周边会形成一圈隔离区域，理想情况下，隔离区域应显示为黑色，其他区域为正常显示模式。但隔离区域的平坦层与其他区域的平坦层高度不一致，导致显示分子层不能完全填充隔离区域，且隔离区域由单一色阻层隔离，因此会有单一颜色的光线漏出，使得隔离区域显示不同颜色，影响光学感应元件的感应效果，也影响产品的外观效果。
因此，如何能更好地避免单一颜色的光线从隔离区域漏出，减少漏光对光学感应元件的影响，提高产品的外观效果，实为需要解决的问题之一。
发明内容
本发明的实施例提供一种显示装置，可以更好地保持平坦层的厚度，减少单一颜色的光线从隔离区域漏出，降低漏光对光学感应元件的影响，提高产品的外观效果。
本发明一实施例的显示装置，包括一第一基板，具有相邻的一显示区与一周边区；一第二基板，具有一第一遮光层及一色阻层，所述色阻层具有一第一色阻层、一第二色阻层以及一第三色阻层，所述第一色阻层、所述第二色阻层以及所述第三色阻层分别呈条状设置于所述第一遮光层；一显示分子层，设置 于所述第一基板和所述第二基板之间；一第一光感应区域，设置于所述第一基板以及所述第二基板；一第一间隔区域，环绕设置于所述第一光感应区域，所述第一间隔区域进一步包括：一第二遮光层，所述第二遮光层于所述第二基板形成一第一投影面积；第四色阻层，所述第四色阻层于所述第二基板形成一第二投影面积；其中，所述第二投影面积与所述第一投影面积之间的比值介于0.01～0.07之间。
上述的显示装置，其中，所述第四色阻层采用与所述第一色阻层、所述第二色阻层或所述第三色阻层之一相同的膜层。
上述的显示装置，其中，所述第四色阻层具有多个第四色阻层单元。
上述的显示装置，其中，每个所述第四色阻层单元为圆柱形，且每个所述第四色阻层单元于所述第二基板上的垂直投影为点状。
上述的显示装置，其中，所述多个第四色阻层单元呈均匀排布。
上述的显示装置，其中，所述第一间隔区域进一步包括一第五色阻层，所述第五色阻层于所述第二基板形成一第三投影面积；
其中，所述第二投影面积及所述第三投影面积之和与所述第一投影面积之间的比值介于0.01～0.07之间。
上述的显示装置，其中，所述第五色阻层采用与所述第一色阻层、所述第二色阻层或所述第三色阻层之一相同的膜层。
上述的显示装置，其中，所述第五色阻层具有多个第五色阻层单元。
上述的显示装置，其中，所述多个第五色阻层单元呈均匀排布。
上述的显示装置，其中，所述第一间隔区域进一步包括一第六色阻层，所述第六色阻层于所述第二基板形成一第四投影面积；其中，所述第二投影面积、所述第三投影面积及所述第四投影面积之和与所述第一投影面积之间的比值介于0.01～0.07之间。
上述的显示装置，其中，所述第六色阻层采用与所述第一色阻层、所述第二色阻层或所述第三色阻层之一相同的膜层。
上述的显示装置，其中，所述第四色阻层、所述第五色阻层或所述第六色阻层为不同的膜层。
上述的显示装置，其中，所述第四色阻层具有多个第四色阻层单元，所述第五色阻层具有多个第五色阻层单元，所述第六色阻层具有多个第六色阻层单 元。
上述的显示装置，其中，所述多个第四色阻层单元、所述多个第五色阻层单元或所述多个第六色阻层单元呈均匀排布。
上述的显示装置，其中，所述多个第四色阻层单元、所述多个第五色阻层单元或所述多个第六色阻层单元之间相互间隔排列。
上述的显示装置，其中，进一步包括一第二光感应区域及一第二间隔区域，所述第二间隔区域环绕设置于所述第二光感应区域。
上述的显示装置，其中，所述第一间隔区域与所述第二间隔区域之间具有一第七色阻层、一第八色阻层或一第九色阻层，所述第七色阻层、所述第八色阻层或所述第九色阻层呈条状设置于所述第二基板。
以下结合附图和具体实施例对本发明进行详细描述，但不作为对本发明的限定。
附图说明
图1A是本发明一实施例显示装置的结构示意图。
图1B是图1A沿a-a’剖面线的剖视图。
图2A是本发明另一实施例显示装置的结构示意图。
图2B是图2A沿a-a’剖面线的剖视图。
图2C是图2A沿b-b’剖面线的剖视图。
图3A-3E是本发明间隔区域中色阻层不同的排布示意图。
图4A是本发明又一实施例显示装置的结构示意图。
图4B是图4A中区域Q的放大示意图。
其中，附图标记：
100：显示装置
101：第一基板
102：第二基板
103：第一遮光层
104：色阻层
105：显示分子层
106：第一光感应区域
107：第一隔离区域
108：第二遮光层
109：第四色阻层
110：第五色阻层
111：第二光感应区域
112：第二间隔区域
113：过渡间隔区域
114：第七色阻层
115：第八色阻层
116：第九色阻层
AA：显示区
AD：主动元件阵列
具体实施方式
下面结合附图对本发明的结构原理和工作原理作具体的描述：
图1A是本发明一实施例显示装置的结构示意图，图1B是图1A沿a-a’剖面线的剖视图。如图1A、图1B所示，显示装置100包括第一基板101、第二基板102以及设置于第一基板101与第二基板102之间的显示分子层105。第一基板101与第二基板102相对设置。于本实施例中，第一基板101具有相邻的显示区AA以及周边区BA(图中未示出)，第一基板101例如为主动阵列基板，为多层结构，以形成主动元件阵列AD，在此不再赘述。第二基板102上与显示区AA对应的区域设置有第一遮光层103，第一遮光层103中设置有开口，色阻层104形成于第一遮光层103的开口中。其中，色阻层104可以由第一色阻层(例如色阻B)、第二色阻层(例如色阻R)以及第三色阻层(例如色阻G)所组成，且第一色阻层、第二色阻层以及第三色阻层呈条状设置于第二基板102，使得色阻层104可容纳于第一遮光层103的开口中。另外，第二基板102上还形成有平坦层OC，第一基板101与第二基板102之间还设置有间隔物PS，在此不进行详细描述。
于本实施例中，显示装置100中还设置有第一光感应区域106与第一间隔区域107。具体而言，第一光感应区域106呈圆形，也可依需求设计成方形、 椭圆形或其他形状，本发明并不以此为限。第一间隔区域107环绕第一光感应区域106设置，使得第一间隔区域107位于显示区AA与第一光感应区域106之间。举例而言，第一光感应区域106可设置于显示区AA之内，使得第一光感应区域106周边为显示区AA。另外，第一间隔区域107设置于第一光感应区域106与显示区AA之间，使得第一间隔区域107可做为第一光感应区域106至显示区AA之间的过渡区域。
具体的，参照图1B所示，第一间隔区域107中设置有第二遮光层108以及第四色阻层109。第二遮光层108于第二基板102上形成投影面积S1，第四色阻层109于第二基板102上形成投影面积S2，其中投影面积S2与投影面积S1之间的比值应满足如下关系式：0.01≤S2/S1≤0.07，如此一来，可以降低从第一光感应区域106的漏光问题。当S2/S1≤0.01时，由于第四色阻层109的密度相对较小，容易导致延伸至第一间隔区域107的平坦层OC与显示区域AA相对应的平坦层OC的高度不一致；当S2/S1≥0.07时，第四色阻层109的密度相对较大，使得第一间隔区域107的平坦层OC的厚度较与显示区域AA相对应的平坦层OC的厚度更厚。于本实施例中，第二遮光层108是以整区域设置的方式形成于第一间隔区域107，亦即，于第一间隔区域107中，第二遮光层108没有任何图案化形成的开口。换言之，可将第二遮光层108视为第一间隔区域107的界定范围。
再结合图1A、图1B所示，于本实施例中，第四色阻层109可以采用与第一色阻层、第二色阻层或第三色阻层之一相同的膜层制成，即色阻R、色阻G、色阻B中的任何一种。详言之，第四色阻层109由多个第四色阻层单元构成，此时，投影面积S2为所有第四色阻层单元于第二基板102上所形成的投影面积的总和。本实例中以每一第四色阻层单元呈圆柱形为例，其于第二基板102上的垂直投影呈圆点状。当然，第四色阻层单元也可以呈方柱形、椭圆柱形或其他形状，本发明并不以此为限。另外，多个第四色阻层单元既可以均匀排布，也可以分散排布，只要能满足S2与S1的比值关系即可。
图2A是本发明另一实施例显示装置的结构示意图，图2B是图2A沿a-a’剖面线的剖视图，图2C是图2A沿b-b’剖面线的剖视图。如图2A-图2C所示，显示装置100的第一间隔区域107中，除了第四色阻层109外，还可以设置有第五色阻层110，第五色阻层110可以采用与第一色阻层、第二色阻层或第三 色阻层之一相同的膜层制成，即色阻R、色阻G、色阻B中的任何一种，但第四色阻层109与第五色阻层110应采用不同的膜层制成。于本实施例中，第五色阻层110于第二基板102上形成投影面积S3，其中投影面积S2、投影面积S3与投影面积S1之间的比值应满足如下关系式：0.01≤(S2+S3)/S1≤0.07，如此一来，可以降低从第一光感应区域106的漏光问题。换言之，于本实施例之第一间隔区域107中，包含两种不同颜色的色阻层单元。于较佳的实施例中，第四色阻层109可为色阻B，而第五色阻层110为色阻R，可以吸收更多波长范围的光线，进一步降低从第一光感应区域106的漏光问题。
再如图2A所示，第五色阻层110由多个第五色阻层单元构成，此时，投影面积S3为所有第五色阻层单元于第二基板102上所形成的投影面积的总和。本实例中以每一第五色阻层单元呈圆柱形为例，其于第二基板102上的垂直投影呈圆点状。当然，第五色阻层单元也可以呈方柱形、椭圆柱形或其他形状，本发明并不以此为限。另外，多个第五色阻层单元既可以均匀排布，也可以分散排布，且第四色阻层单元与第五色阻层单元之间可以均匀排布，也可以分散排布，只要能满足S2、S3与S1的比值关系即可。
当然，于另一实施例中，显示装置100的第一间隔区域107中，除了第四色阻层109、第五色阻层110外，还可以设置有第六色阻层(图中未示出)，第六色阻层可以采用与第一色阻层、第二色阻层或第三色阻层之一相同的膜层制成，即色阻R、色阻G、色阻B中的任何一种，但第四色阻层109、第五色阻层110第六色阻层之间采用不同的膜层制成。第六色阻层于第二基板102上形成投影面积S4，使得第一间隔区域107包含三种不同颜色的色阻层单元。相似地，于本实施例中，投影面积S2、投影面积S3、投影面积S4与投影面积S1之间的比值应满足如下关系式：0.01≤(S2+S3+S4)/S1≤0.07。
与第四色阻层109、第五色阻层110相同，第六色阻层由多个第六色阻层单元构成，此时，投影面积S4为所有第六色阻层单元于第二基板102上所形成的投影面积的总和。每一第六色阻层单元呈圆柱形为例，其于第二基板102上的垂直投影呈圆点状。当然，第六色阻层单元也可以呈方柱形、椭圆柱形或其他形状，本发明并不以此为限。另外，多个第六色阻层单元既可以均匀排布，也可以分散排布，且第四色阻层单元、第五色阻层单元以及第六色阻层单元之间可以均匀排布，也可以分散排布，只要能满足S2、S3、S4与S1的比值关 系即可。
图3A-3E是本发明间隔区域中色阻层不同的排布示意图。为能清楚进行说明，本发明仅以第四色阻层109和第五色阻层110为例，当然，第一间隔区域107中还可以设置有第六色阻层。
具体的，如图3A-3E所示，第四色阻层109和第五色阻层110之间相互间隔设置。详细的，如图3A、图3B所示，第四色阻层109和第五色阻层110分别由多个第四色阻层单元和第五色阻层单元组成，每一第四色阻层单元或第五色阻层单元呈圆柱体。参照图3A所示，第四色阻层单元或第五色阻层单元在图中所示垂直方向上排成一列，在图中所示水平方向上相互交替设置。参照图3B所示，第四色阻层单元或第五色阻层单元在图中所示垂直方向上或在图中所示水平方向上均相互交替设置。于图3A与图3B的实施例中，制程相对简单。
如图3C、图3D所示，第四色阻层109和第五色阻层110分别由多个第四色阻层单元和第五色阻层单元组成，每一第四色阻层单元或第五色阻层单元呈长方体。参照图3C所示，第四色阻层单元或第五色阻层单元在图中所示垂直方向上排成一列，在图中所示水平方向上相互交替设置。参照图3D所示，第四色阻层单元或第五色阻层单元在图中所示垂直方向上或在图中所示水平方向上均相互交替设置，呈棋盘状设置。
再如图3E所示，第四色阻层109、第五色阻层110以及第一间隔区域107形成同心圆环结构。第四色阻层109或第五色阻层110所形成的圆环可以为一个或多个，本发明并不以此为限。第四色阻层109或第五色阻层110所形成的圆环之间相互间隔设置。
如图3A-3E所示的第四色阻层109或第五色阻层110，另外，第四色阻层单元、第五色阻层单元分别既可以均匀排布，也可以分散排布，且第四色阻层单元、第五色阻层单元之间可以均匀排布，也可以分散排布。
图4A是本发明又一实施例显示装置的结构示意图，图4B是图4A中区域Q的放大示意图。如图4A、图4B所示，显示装置100中设置有第一光感应区域106以及第二光感应区域111，第一光感应区域106环绕设置有第一间隔区域107，第二光感应区域111环绕设置有第二间隔区域112。其中，第二间隔区域112可以采用与第一间隔区域107相同的结构，第二间隔区域112 与第一间隔区域107之间的区域可以采用与色阻层104相同的结构。具体的，如图4B所示，第二间隔区域112与第一间隔区域107之间具有第七色阻层114、第八色阻层115或第九色阻层116，第七色阻层114、第八色阻层115或第九色阻层116呈条状设置于第二基板102。详言之，请参阅图4A，第一间隔区域107与第二间隔区域112的结构与上述实施例相同，如图1B、图2B与图2C。请再同时参阅图4B，相邻的第一间隔区域107与第二间隔区域112之间有一过渡隔间区域113，则是设置多个色阻层。具体而言，过渡间隔区域113的色阻层排列与设置方式是与显示区AA的色阻层排列与设置方式相同，如各色阻以条状方式设置于第二基板，且不同颜色交错排列。另外，于过渡间隔区域113中，第二遮光层108为整区域设置，与显示区AA之第一遮光层103有开口的图案化设置不相同，如此一来，色阻层是覆盖于第二遮光层108，非容纳于其开口内。
综上，依照本发明的实施例，由于在间隔区域设置有一定密度的色阻层，更好地保持平坦层的厚度，减少单一颜色的光线从隔离区域漏出，降低漏光对光学感应元件的影响，提高产品的外观效果。
当然，本发明还可有其它多种实施例，在不背离本发明精神及其实质的情况下，熟悉本领域的技术人员当可根据本发明作出各种相应的改变和变形，但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。
工业应用性
采用本发明的显示装置，具有以下有益效果：
由于在间隔区域设置有一定密度的色阻层，更好地保持平坦层的厚度，减少单一颜色的光线从隔离区域漏出，降低漏光对光学感应元件的影响，提高产品的外观效果。

Claims (18)

  1. 一种显示装置，其特征在于，包括：
    一第一基板，具有相邻的一显示区与一周边区；
    一第二基板，具有一第一遮光层及一色阻层，所述色阻层具有一第一色阻层、一第二色阻层以及一第三色阻层，所述第一色阻层、所述第二色阻层以及所述第三色阻层分别呈条状设置于所述第一遮光层；
    一显示分子层，设置于所述第一基板和所述第二基板之间；
    一第一光感应区域，设置于所述第一基板以及所述第二基板；
    一第一间隔区域，环绕设置于所述第一光感应区域，所述第一间隔区域进一步包括：
    一第二遮光层，所述第二遮光层于所述第二基板形成一第一投影面积；
    第四色阻层，所述第四色阻层于所述第二基板形成一第二投影面积；
    其中，所述第二投影面积与所述第一投影面积之间的比值介于0.01～0.07之间。
  2. 如权利要求1所述的显示装置，其特征在于，所述第四色阻层采用与所述第一色阻层、所述第二色阻层或所述第三色阻层之一相同的膜层。
  3. 如权利要求2所述的显示装置，其特征在于，所述第四色阻层具有多个第四色阻层单元。
  4. 如权利要求3所述的显示装置，其特征在于，每个所述第四色阻层单元为圆柱形，且每个所述第四色阻层单元于所述第二基板上的垂直投影为点状。
  5. 如权利要求3所述的显示装置，其特征在于，所述多个第四色阻层单元呈均匀排布。
  6. 如权利要求1所述的显示装置，其特征在于，所述第一间隔区域进一步包括一第五色阻层，所述第五色阻层于所述第二基板形成一第三投影面积；
    其中，所述第二投影面积及所述第三投影面积之和与所述第一投影面积之间的比值介于0.01～0.07之间。
  7. 如权利要求6所述的显示装置，其特征在于，所述第五色阻层采用与 所述第一色阻层、所述第二色阻层或所述第三色阻层之一相同的膜层。
  8. 如权利要求7所述的显示装置，其特征在于，所述第五色阻层具有多个第五色阻层单元。
  9. 如权利要求8所述的显示装置，其特征在于，所述多个第五色阻层单元呈均匀排布。
  10. 如权利要求6所述的显示装置，其特征在于，所述第一间隔区域进一步包括一第六色阻层，所述第六色阻层于所述第二基板形成一第四投影面积；
    其中，所述第二投影面积、所述第三投影面积及所述第四投影面积之和与所述第一投影面积之间的比值介于0.01～0.07之间。
  11. 如权利要求10所述的显示装置，其特征在于，所述第六色阻层采用与所述第一色阻层、所述第二色阻层或所述第三色阻层之一相同的膜层。
  12. 如权利要求11所述的显示装置，其特征在于，所述第四色阻层、所述第五色阻层或所述第六色阻层为不同的膜层。
  13. 如权利要求12所述的显示装置，其特征在于，所述第四色阻层具有多个第四色阻层单元，所述第五色阻层具有多个第五色阻层单元，所述第六色阻层具有多个第六色阻层单元。
  14. 如权利要求13所述的显示装置，其特征在于，每个所述第四色阻层单元、所述第五色阻层单元或所述第六色阻层单元为圆柱形，且每个所述第四色阻层单元、所述第五色阻层单元或所述第六色阻层单元于所述第二基板上的垂直投影为点状。
  15. 如权利要求14所述的显示装置，其特征在于，所述多个第四色阻层单元、所述多个第五色阻层单元或所述多个第六色阻层单元呈均匀排布。
  16. 如权利要求14所述的显示装置，其特征在于，所述多个第四色阻层单元、所述多个第五色阻层单元或所述多个第六色阻层单元之间相互间隔排列。
  17. 如权利要求1所述的显示装置，其特征在于，进一步包括一第二光感应区域及一第二间隔区域，所述第二间隔区域环绕设置于所述第二光感应区域。
  18. 如权利要求17所述的显示装置，其特征在于，所述第一间隔区域与所述第二间隔区域之间具有一第七色阻层、一第八色阻层或一第九色阻层，所述 第七色阻层、所述第八色阻层或所述第九色阻层呈条状设置于所述第二基板。
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