WO2020042231A1 - 彩色滤光片基板及显示面板 - Google Patents

彩色滤光片基板及显示面板 Download PDF

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Publication number
WO2020042231A1
WO2020042231A1 PCT/CN2018/105424 CN2018105424W WO2020042231A1 WO 2020042231 A1 WO2020042231 A1 WO 2020042231A1 CN 2018105424 W CN2018105424 W CN 2018105424W WO 2020042231 A1 WO2020042231 A1 WO 2020042231A1
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WIPO (PCT)
Prior art keywords
photosensitive elements
substrate
film transistors
color filter
thin film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/105424
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English (en)
French (fr)
Inventor
黄耀立
贺兴龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan China Star Optoelectronics Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Technology Co Ltd
Priority to US16/316,204 priority Critical patent/US20210349362A1/en
Publication of WO2020042231A1 publication Critical patent/WO2020042231A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • G02F1/136—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
    • 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
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G06V40/161—Detection; Localisation; Normalisation
    • 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
    • G02F1/136—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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/58—Arrangements comprising a monitoring photodetector

Definitions

  • the present invention relates to the field of displays, and in particular, to a color filter substrate and a display panel.
  • the present invention provides a color filter substrate and a display panel to solve the problems that the full screen and the face recognition function cannot be taken into account, and the high screen production cost.
  • an embodiment of the present invention provides a color filter substrate, wherein the color filter substrate includes: a light-transmitting substrate, a plurality of filter patterns, a plurality of black photoresistors, and a plurality of Photosensitive elements, multiple thin film transistors, multiple data lines, multiple scan lines, and a chip.
  • the plurality of filter patterns are disposed on the transparent substrate and include at least one red filter pattern, at least one green filter pattern, and at least one blue filter pattern.
  • the plurality of black photoresists are disposed on the light-transmitting substrate and located between the plurality of filter patterns.
  • the plurality of photosensitive elements are sandwiched between the plurality of black photoresists and the transparent substrate.
  • Each of the plurality of thin film transistors has a source, a drain, and a gate, and the sources of the plurality of thin film transistors are electrically connected to the plurality of photosensitive elements.
  • the plurality of data lines are electrically connected to the drains of the plurality of thin film transistors.
  • the plurality of scanning lines are electrically connected to the gates of the plurality of thin film transistors.
  • the chip is electrically connected to the plurality of data lines.
  • the plurality of photosensitive elements include a plurality of photosensitive coupling elements or a plurality of complementary metal oxide semiconductor elements.
  • the plurality of photosensitive elements include a plurality of monochromatic photosensitive elements, a plurality of multi-color photosensitive elements, or a plurality of infrared photosensitive elements.
  • the color filter substrate includes: a transparent substrate, a plurality of filter patterns, a plurality of black photoresistors, a plurality of photosensitive elements, Multiple thin film transistors, multiple data lines, and multiple scan lines.
  • the plurality of filter patterns are provided on the transparent substrate.
  • the plurality of black photoresists are disposed on the light-transmitting substrate and located between the plurality of filter patterns.
  • the plurality of photosensitive elements are sandwiched between the plurality of black photoresists and the transparent substrate.
  • Each of the plurality of thin film transistors has a source, a drain, and a gate, and the sources of the plurality of thin film transistors are electrically connected to the plurality of photosensitive elements.
  • the plurality of data lines are electrically connected to the drains of the plurality of thin film transistors.
  • the plurality of scanning lines are electrically connected to the gates of the plurality of thin film transistors.
  • the plurality of filter patterns include at least one red filter pattern, at least one green filter pattern, and at least one blue filter pattern.
  • the plurality of photosensitive elements include a plurality of photosensitive coupling elements or a plurality of complementary metal oxide semiconductor elements.
  • the plurality of photosensitive elements include a plurality of monochromatic photosensitive elements, a plurality of multi-color photosensitive elements, or a plurality of infrared photosensitive elements.
  • the color filter substrate further includes a chip, and the chip is electrically connected to the plurality of data lines.
  • another embodiment of the present invention provides a display panel, wherein the display panel includes: an array substrate, a color filter substrate, and a liquid crystal layer.
  • the color filter substrate includes a light-transmitting substrate, a plurality of filter patterns, a plurality of black photoresistors, a plurality of photosensitive elements, a plurality of thin film transistors, a plurality of data lines, and a plurality of scan lines.
  • the plurality of filter patterns are provided on the transparent substrate.
  • the plurality of black photoresists are disposed on the light-transmitting substrate and located between the plurality of filter patterns.
  • the plurality of photosensitive elements are sandwiched between the plurality of black photoresists and the transparent substrate.
  • Each of the plurality of thin film transistors has a source, a drain, and a gate, and the sources of the plurality of thin film transistors are electrically connected to the plurality of photosensitive elements.
  • the plurality of data lines are electrically connected to the drains of the plurality of thin film transistors.
  • the plurality of scanning lines are electrically connected to the gates of the plurality of thin film transistors.
  • the liquid crystal layer is provided between the array substrate and the color filter substrate.
  • the plurality of filter patterns include at least one red filter pattern, at least one green filter pattern, and at least one blue filter pattern.
  • the plurality of photosensitive elements include a plurality of photosensitive coupling elements or a plurality of complementary metal oxide semiconductor elements.
  • the plurality of photosensitive elements include a plurality of monochromatic photosensitive elements, a plurality of multi-color photosensitive elements, or a plurality of infrared photosensitive elements.
  • the color filter substrate further includes a chip, and the chip is electrically connected to the plurality of data lines.
  • the color filter substrate and the display panel including the same perform face recognition by arranging a plurality of photosensitive elements between the plurality of black photoresists and the transparent substrate. Face recognition, so it can have face recognition without the need to dig the screen, so it can take into account both the full screen and face recognition functions, and reduce the cost of screen production.
  • FIG. 1A is a schematic top view of a color filter substrate according to an embodiment of the present invention.
  • FIG. 1B is a schematic top view of a portion of a color filter substrate according to an embodiment of the present invention.
  • FIG. 1C is a schematic cross-sectional view of a portion of a color filter substrate according to an embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional view of a display panel according to an embodiment of the present invention.
  • FIG. 1A is a schematic top view of a color filter substrate 10 according to an embodiment of the present invention
  • FIG. 1B is a schematic top view of a portion of the color filter substrate 10 according to an embodiment of the present invention
  • 1C is a schematic cross-sectional view of a portion of a color filter substrate 10 according to an embodiment of the present invention.
  • FIG. 1B does not show a black photoresist 13 to expose the photosensitive element 14.
  • the color filter substrate 10 according to an embodiment of the present invention mainly includes a light-transmitting substrate 11, a plurality of filter patterns 12, a plurality of black photoresists 13, a plurality of photosensitive elements 14, a plurality of thin film transistors 15, and a plurality of data lines.
  • the light-transmitting substrate is, for example, a base substrate having an inner surface 11A and an outer surface 11B opposite to each other.
  • the inner surface 11A can be used to carry the plurality of filter patterns 12 and the plurality of black photoresists.
  • the plurality of photosensitive elements 14, the plurality of thin film transistors 15, the plurality of data lines 16, and the plurality of scanning lines 17, and the outer surface 11B faces an external environment or a user's Face.
  • the transparent substrate 11 is, for example, a glass substrate or a plastic substrate.
  • the plurality of filter patterns 12 of the color filter substrate 10 according to the embodiment of the present invention are disposed on the transparent substrate 11.
  • the plurality of filter patterns 12 include at least one red filter pattern 12A, at least one green filter pattern 12B, and at least one blue filter pattern 12C.
  • a red filter pattern 12A, a green filter pattern 12B, and a blue filter pattern 12C form a filter pattern group, and the position of the filter pattern group may correspond to the position on the array substrate.
  • the plurality of black photoresists 13 of the color filter substrate 10 are disposed on the light-transmitting substrate 11 and are located between the plurality of filter patterns 12.
  • the inner surface 11A of the light-transmitting substrate 11 is used as a horizontal plane, and the plurality of black photoresists 13 are located in the plurality of filters in a horizontal direction parallel to the horizontal plane.
  • the plurality of black photoresists 13 can form a matrix, for example, so they can also be called a black matrix.
  • the plurality of black photoresists 13 are mainly used to prevent color mixing and reduce the vividness and purity when light passes through the plurality of filter patterns 11. Therefore, the plurality of black photoresists 13 are used to combine the plurality of filter patterns. 12 for segmentation.
  • the plurality of photosensitive elements 14 of the color filter substrate 10 are sandwiched between the plurality of black photoresists 13 and the light-transmitting substrate 11.
  • the measured light is converted into an electronic signal.
  • the inner surface 11A of the light-transmitting substrate 11 is used as a horizontal plane, and the plurality of photosensitive elements 14 are located in the plurality of black photoresistors in a vertical direction perpendicular to the horizontal plane. 13 and the transparent substrate 11.
  • the sensing surface of each photosensitive element 14 faces the light-transmitting substrate 11, and can be used to sense external light incident on the light-transmitting substrate 11.
  • the plurality of photosensitive elements 14 can sense external light that is refracted from the user's face and enters the light-transmitting substrate 11, thereby further Converted into electronic signals related to the user's face. It should be mentioned here that, because the plurality of photosensitive elements 14 are sandwiched between the plurality of black photoresists 13 and the light-transmitting substrate 11, the plurality of photosensitive elements 14 will not receive signals from Backlight light.
  • the plurality of photosensitive elements 14 include a plurality of photosensitive coupling elements (CCD) or a plurality of complementary metal oxide semiconductor (CMOS) elements.
  • the plurality of photosensitive elements 14 include a plurality of monochrome photosensitive elements, a plurality of multi-color photosensitive elements, or a plurality of infrared photosensitive elements.
  • a monochrome sensor can recognize a black and white image
  • a multi-color sensor can recognize a color image.
  • the infrared light sensing element can be performed without being irradiated by an external light source, for example, facial recognition can be performed under dark conditions at night.
  • Each of the plurality of thin film transistors 15 of the color filter substrate 10 according to the embodiment of the present invention has a source electrode 151, a drain electrode 152, and a gate electrode 153.
  • the source electrodes 151 of the plurality of thin film transistors 15 are electrically connected to each other. Mentioned plural photosensitive elements 14.
  • the plurality of thin film transistors 15 are mainly used as switches.
  • the gate 153 is controlled to control whether an electronic signal input from the source 151 is transmitted to the drain 152.
  • the plurality of data lines 16 of the color filter substrate 10 are electrically connected to the drain electrodes 152 of the plurality of thin film transistors 15.
  • the plurality of data lines 16 may transmit the electronic signals transmitted to the drain 152 to other locations.
  • the color filter substrate 10 may include a chip 18, and the chip is electrically connected to the plurality of Data line 16, the electronic signals can be transmitted to the chip 18 through the plurality of data lines 16, and the chip 18 can convert the electronic signals into display images to restore the detected signals of the plurality of photosensitive elements 14 Measured light.
  • the display image may be, for example, a face image.
  • the plurality of scanning lines 17 of the color filter substrate according to the embodiment of the present invention are electrically connected to the gates 153 of the plurality of thin film transistors 15 and are used to control the gates 153 of the plurality of thin film transistors 15.
  • the plurality of scanning lines 17 can control the turning on or off of the plurality of thin film transistors 15 to determine whether to pass the electronic signals located at the source electrode 151 to the drain electrode 152 to
  • the chip 18 is used for receiving the electronic signal through the data line 16.
  • the plurality of scanning lines 17 and the plurality of data lines 16 are perpendicular to each other and are not in electrical contact with each other.
  • the color filter substrate 10 performs a face recognition effect.
  • a high voltage for example, 6 to 12 volts
  • the corresponding thin film transistor 15 is turned on, and a low voltage (for example, -9 to -7 volts) is input to the remaining scan lines 17 to turn off the remaining thin film transistors 15, and then the electronic signals are sequentially output to the chip 18, and further Generate a display image.
  • the chip 18 may be provided with a pre-acquired image (for example, a user's face image). The chip 18 compares whether the display image matches the preset image. Thus, a face recognition function is generated.
  • the color filter substrate 10 in addition to the face recognition function of the color filter substrate 10 according to the embodiment of the present invention, it can actually be used as a front lens of a display panel through sensing by the plurality of photosensitive elements 14. , which has the function of capturing images or videos. It is worth mentioning that the aforementioned pre-acquired images can be captured by the plurality of photosensitive elements 14.
  • various components of the color filter substrate 10 such as a plurality of filter patterns 12, a plurality of black photoresists 13, a plurality of photosensitive elements 14, a plurality of thin film transistors 15, a plurality of data lines 16 and
  • the plurality of scanning lines 17 and the like can be produced by using a semiconductor process. Therefore, there is no need to purchase additional semiconductor equipment, which can reduce production costs.
  • the color filter substrate 10 performs face recognition by providing a plurality of photosensitive elements 14 between the plurality of black photoresists 13 and the light-transmitting substrate 11.
  • face recognition function when the screen is not grooved, it can take into account both the full screen and face recognition functions, and reduce the screen production cost.
  • FIG. 2 is a schematic cross-sectional view of a display panel according to an embodiment of the present invention.
  • the display panel 20 includes: an array substrate 21, a color filter substrate 10, and a liquid crystal layer 22.
  • the color filter substrate 10 includes: a light-transmitting substrate 11, a plurality of filter patterns 12, a plurality of black photoresists 13, a plurality of photosensitive elements 14, a plurality of thin film transistors 15, a plurality of data lines 16, and a plurality of Scan line 17.
  • the plurality of filter patterns 12 are disposed on the transparent substrate 11.
  • the plurality of black photoresistors 13 are disposed on the transparent substrate 11 and located between the plurality of filter patterns 12.
  • the plurality of photosensitive elements 14 are sandwiched between the plurality of black photoresists 13 and the transparent substrate 11.
  • Each of the plurality of thin film transistors 15 has a source electrode 151, a drain electrode 152, and a gate electrode 153.
  • the source electrodes 151 of the plurality of thin film transistors 15 are electrically connected to the plurality of photosensitive elements 14.
  • the plurality of data lines 16 are electrically connected to the drain electrodes 152 of the plurality of thin film transistors 15.
  • the plurality of scanning lines 17 are electrically connected to the gate electrodes 153 of the plurality of thin film transistors 15.
  • the liquid crystal layer 22 is disposed between the array substrate 21 and the color filter substrate 10.
  • the color filter substrate 10 of the display panel 20 can be the color filter substrate 10 of the embodiment of the present invention described above, so the related embodiments and examples will not be described repeatedly.
  • the display panel 20 may include a spacer 23, which is sandwiched between the color filter substrate 10 and the array substrate 21 so that the The liquid crystal layer is housed in a space formed by the spacers 23, the color filter substrate 10 and the array substrate 21.
  • the array substrate 21 may have a plurality of device layers, for example, a plurality of thin film transistors, a plurality of data lines, a plurality of scan lines, and the like.
  • the plurality of device layers can be used to control the turning of liquid crystal molecules of the liquid crystal layer to control whether the light from the backlight source 24 is directed toward the color filter substrate 10.
  • the array substrate 21 may be a commercially available array substrate.
  • the array substrate 21 and the color filter substrate 10 may be bonded by a frame adhesive 25 so that the liquid crystal layer 22 is enclosed in the array substrate 21 and the color filter substrate. 10 and the space formed by the sealant 25.
  • the display panel 20 performs face recognition by providing a plurality of photosensitive elements 14 between a plurality of black photoresists 13 of the color filter substrate 10 and the light-transmitting substrate 11.
  • face recognition function when the screen is not grooved, it can take into account both the full screen and face recognition functions, and reduce the screen production cost.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Human Computer Interaction (AREA)
  • Liquid Crystal (AREA)
  • Optical Filters (AREA)

Abstract

一种彩色滤光片基板(10)及显示面板(20)，彩色滤光片基板(10)包含：一透光基板(11)、多个滤光图案(12)、多个黑色光阻(13)、多个感光元件(14)、多个薄膜晶体管(15)、多个数据线(16)及多个扫描线(17)。多个滤光图案(12)设在透光基板(11)上。多个黑色光阻(13)设在透光基板(11)上且位在多个滤光图案(12)之间。多个感光元件(14)夹设在多个黑色光阻(13)与透光基板(11)之间。多个薄膜晶体管(15)各具有一源极(151)、一漏极(152)与一栅极(153)，其中多个薄膜晶体管(15)的源极(151)电性连接多个感光元件(14)。多个数据线(16)电性连接多个薄膜晶体管(15)的漏极(152)。多个扫描线(17)电性连接多个薄膜晶体管(15)的栅极(153)。

Description

彩色滤光片基板及显示面板 技术领域
本发明是有关于显示器领域，特别是有关于一种彩色滤光片基板及显示面板。
 背景技术
随着科技发展，现在已有市售手机具有人脸识别功能。然而，现有手机是通过在屏幕顶部挖槽的方式，以将脸部识别传感器放在挖槽处，故无法达成全面屏(full screen)的显示效果。再者，屏幕挖槽设计的工艺难度大，良品率低，因而增加屏幕的制作成本。
故，有必要提供一种彩色滤光片基板及显示面板，以解决现有技术所存在的问题。
 技术问题
有鉴于此，本发明提供一种彩色滤光片基板及显示面板，以解决无法兼顾全面屏与人脸识别功能，以及高屏幕制作成本的问题。
 技术解决方案
本发明的一目的在于提供一种彩色滤光片基板及显示面板，其可以在不对屏幕进行挖槽处理的情形下具备脸部辨识功能，故可兼顾全面屏与人脸识别功能，以及降低屏幕制作成本。
为达成本发明的前述目的，本发明一实施例提供一种彩色滤光片基板，其中所述彩色滤光片基板包含：一透光基板、多个滤光图案、多个黑色光阻、多个感光元件、多个薄膜晶体管、多个数据线、多个扫描线及一芯片。所述多个滤光图案设在所述透光基板上且包含至少一红色滤光图案、至少一绿色滤光图案及至少一蓝色滤光图案。所述多个黑色光阻设在所述透光基板上且位在所述多个滤光图案之间。所述多个感光元件夹设在所述多个黑色光阻与所述透光基板之间。所述多个薄膜晶体管各具有一源极、一漏极与一栅极，其中所述多个薄膜晶体管的源极电性连接所述多个感光元件。所述多个数据线电性连接所述多个薄膜晶体管的漏极。所述多个扫描线电性连接所述多个薄膜晶体管的栅极。所述芯片电性连接所述多个数据线。
在本发明的一实施例中，所述多个感光元件包含多个感光耦合元件或多个互补性氧化金属半导体元件。
在本发明的一实施例中，所述多个感光元件包含多个单色感光元件、多个多色感光元件或多个红外线感光元件。
再者，本发明另一实施例提供一种彩色滤光片基板，其中所述彩色滤光片基板包含：一透光基板、多个滤光图案、多个黑色光阻、多个感光元件、多个薄膜晶体管、多个数据线及多个扫描线。所述多个滤光图案设在所述透光基板上。所述多个黑色光阻设在所述透光基板上且位在所述多个滤光图案之间。所述多个感光元件夹设在所述多个黑色光阻与所述透光基板之间。所述多个薄膜晶体管各具有一源极、一漏极与一栅极，其中所述多个薄膜晶体管的源极电性连接所述多个感光元件。所述多个数据线电性连接所述多个薄膜晶体管的漏极。所述多个扫描线电性连接所述多个薄膜晶体管的栅极。
在本发明的一实施例中，所述多个滤光图案包含至少一红色滤光图案、至少一绿色滤光图案及至少一蓝色滤光图案。
在本发明的一实施例中，所述多个感光元件包含多个感光耦合元件或多个互补性氧化金属半导体元件。
在本发明的一实施例中，所述多个感光元件包含多个单色感光元件、多个多色感光元件或多个红外线感光元件。
在本发明的一实施例中，所述彩色滤光片基板还包含一芯片，所述芯片电性连接所述多个数据线。
再者，本发明又一实施例提供一种显示面板，其中所述显示面板包含：一阵列基板、一彩色滤光片基板及一液晶层。所述彩色滤光片基板包含：一透光基板、多个滤光图案、多个黑色光阻、多个感光元件、多个薄膜晶体管、多个数据线及多个扫描线。所述多个滤光图案设在所述透光基板上。所述多个黑色光阻设在所述透光基板上且位在所述多个滤光图案之间。所述多个感光元件夹设在所述多个黑色光阻与所述透光基板之间。所述多个薄膜晶体管各具有一源极、一漏极与一栅极，其中所述多个薄膜晶体管的源极电性连接所述多个感光元件。所述多个数据线电性连接所述多个薄膜晶体管的漏极。所述多个扫描线电性连接所述多个薄膜晶体管的栅极。所述液晶层设在所述阵列基板与所述彩色滤光片基板之间。
在本发明的一实施例中，所述多个滤光图案包含至少一红色滤光图案、至少一绿色滤光图案及至少一蓝色滤光图案。
在本发明的一实施例中，所述多个感光元件包含多个感光耦合元件或多个互补性氧化金属半导体元件。
在本发明的一实施例中，所述多个感光元件包含多个单色感光元件、多个多色感光元件或多个红外线感光元件。
在本发明的一实施例中，所述彩色滤光片基板还包含一芯片，所述芯片电性连接所述多个数据线。
 有益效果
与现有技术相比较，本发明实施例的彩色滤光片基板及包含其的显示面板，其通过在所述多个黑色光阻与所述透光基板之间设置多个感光元件来进行脸部辨识，故可以在不对屏幕进行挖槽处理的情形下具备脸部辨识功能，故可兼顾全面屏与人脸识别功能，以及降低屏幕制作成本。
为让本发明的上述内容能更明显易懂，下文特举优选实施例，并配合所附图式，作详细说明如下：
 附图说明
图1A是本发明一实施例的彩色滤光片基板的上视示意图。
图1B是本发明一实施例的彩色滤光片基板的一部分的上视示意图。
图1C是本发明一实施例的彩色滤光片基板的一部分的剖面示意图。
图2是本发明一实施例的显示面板的剖面示意图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图式，用以例示本发明可用以实施的特定实施例。再者，本发明所提到的方向用语，例如上、下、顶、底、前、后、左、右、内、外、侧面、周围、中央、水平、横向、垂直、纵向、轴向、径向、最上层或最下层等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。
请参照图1A至1C所示，图1A是本发明一实施例的彩色滤光片基板10的上视示意图；图1B是本发明一实施例的彩色滤光片基板10的一部分的上视示意图及图1C是本发明一实施例的彩色滤光片基板10的一部分的剖面示意图，其中为了说明的目的，图1B未绘示黑色光阻13，以暴露出感光元件14。本发明一实施例的彩色滤光片基板10主要包含一透光基板11、多个滤光图案12、多个黑色光阻13、多个感光元件14、多个薄膜晶体管15、多个数据线16及多个扫描线17。所述透光基板例如是一衬底基板，具有相对的一内表面11A及一外表面11B，其中所述内表面11A可用于承载所述多个滤光图案12、所述多个黑色光阻13、所述多个感光元件14、所述多个薄膜晶体管15、所述多个数据线16及所述多个扫描线17，而所述外表面11B朝向一外部环境或朝向一使用者的脸部。在一实施例中，所述透光基板11例如是一玻璃基板或一塑胶基板。
本发明实施例的彩色滤光片基板10的多个滤光图案12设在所述透光基板11上。在一实施例中，所述多个滤光图案12包含至少一红色滤光图案12A、至少一绿色滤光图案12B及至少一蓝色滤光图案12C。在一范例中，一红色滤光图案12A、一绿色滤光图案12B及一蓝色滤光图案12C组成一滤光图案组，并且所述滤光图案组的位置可对应位在阵列基板上的一像素单元。
本发明实施例的彩色滤光片基板10的多个黑色光阻13设在所述透光基板11上且位在所述多个滤光图案12之间。在一实施例中，以所述透光基板11的内表面11A作为一水平面，其中所述多个黑色光阻13在平行于所述水平面的一水平方向上是位在所述多个滤光图案12之间。所述多个黑色光阻13例如可形成一矩阵，故又可称为黑色矩阵(black matrix)。所述多个黑色光阻13主要是用于避免光线穿过多个滤光图案11时产生色彩的混合而降低色彩鲜艳度及纯度，故利用多个黑色光阻13来将多个滤光图案12进行区隔。
本发明实施例的彩色滤光片基板10的多个感光元件14夹设在所述多个黑色光阻13与所述透光基板11之间，所述多个感光元件14例如可用于将感测到的光线转换为电子讯号。在一实施例中，以所述透光基板11的内表面11A作为一水平面，其中所述多个感光元件14在垂直于所述水平面的一垂直方向上是位在所述多个黑色光阻13与所述透光基板11之间。在另一实施例中，每个感光元件14的感测面是朝向所述透光基板11，可用以感测射入所述透光基板11的外部光线。在一范例中，使用者的脸部面向所述透光基板11时，所述多个感光元件14可感测从使用者的脸部折射而射入所述透光基板11的外部光线，进而转换成与使用者的脸部相关的电子讯号。这边要提到的是，由于所述多个感光元件14夹设在所述多个黑色光阻13与所述透光基板11之间，所以所述多个感光元件14不会接收到来自背光源的光线。
在一实施例中，所述多个感光元件14包含多个感光耦合元件(CCD)或多个互补性氧化金属半导体(CMOS)元件。在另一实施例中，所述多个感光元件14包含多个单色感光元件、多个多色感光元件或多个红外线感光元件。在一范例中，单色感光元件可识别出一黑白图像，多色感光元件可识别出一彩色图像。在另一范例中，红外线感光元件可在未有外部光源照射的情形下进行，例如可在晚上无光条件下进行面部识别。
本发明实施例的彩色滤光片基板10的多个薄膜晶体管15各具有一源极151、一漏极152与一栅极153，其中所述多个薄膜晶体管15的源极151电性连接所述多个感光元件14。在一实施例中，所述多个薄膜晶体管15主要作为开关的用途，通过控制所述栅极153以控制从所述源极151输入的电子讯号是否传递至所述漏极152。
本发明实施例的彩色滤光片基板10的多个数据线16电性连接所述多个薄膜晶体管15的漏极152。所述多个数据线16可将传递至所述漏极152的电子讯号再传递到其他位置，例如所述彩色滤光片基板10可包含一芯片18，所述芯片电性连接所述多个数据线16，所述电子讯号可通过所述多个数据线16传递至芯片18，并且所述芯片18可将所述电子讯号转换为显示图像，以还原所述多个感光元件14的所侦测的光线。在一实施例中，所述显示图像例如可以是一人脸图像。
本发明实施例的彩色滤光片基板的多个扫描线17电性连接所述多个薄膜晶体管15的栅极153，用以控制所述多个薄膜晶体管15的栅极153。在一实施例中，所述多个扫描线17可控制所述多个薄膜晶体管15的开启或关闭，以决定是否将位在所述源极151的电子讯号传递至所述漏极152，以供所述芯片18通过所述数据线16接收所述电子讯号。在另一实施例中，所述多个扫描线17与所述多个数据线16相互垂直并且不互相电性接触。
在一实施例中，所述彩色滤光片基板10进行人脸辨识效果的方式，例如可通过依序对所述多个扫描线17的其中一个输入高电压(例如6至12伏)，以开启对应的薄膜晶体管15，并且剩余的扫描线17输入低电压(例如-9至-7伏)，以关闭其余的薄膜晶体管15，进而依序输出所述电子讯号至所述芯片18中，进而产生显示图像。在一实施例中，可通过提供一预采集的图像(例如一使用者的人脸图像)予所述芯片18，所述芯片18通过比对所述显示图像与所述预设图像是否相符，进而产生人脸识别功能。
在一实施例中，本发明实施例的彩色滤光片基板10除了具有人脸识别功能之外，实际上也可通过所述多个感光元件14的感测来当作显示面板的前置镜头，进而具有撷取图像或影像的功能。值得一提的是，可通过所述多个感光元件14来进行撷取上述的预采集的图像。
在本发明实施例中，彩色滤光片基板10的各个构件，例如多个滤光图案12、多个黑色光阻13、多个感光元件14、多个薄膜晶体管15、多个数据线16及多个扫描线17等，可通过利用半导体工艺进行制作。因此，不需额外添购新的半导体设备，可降低生产成本。
综上所述，本发明实施例的彩色滤光片基板10通过在所述多个黑色光阻13与所述透光基板11之间设置多个感光元件14来进行脸部辨识，故可以在不对屏幕进行挖槽处理的情形下具备脸部辨识功能，故可兼顾全面屏与人脸识别功能，以及降低屏幕制作成本。
请参照图1A至1C及图2所示，图2是本发明一实施例的显示面板的剖面示意图。本发明另一实施例提供一种显示面板20，其中所述显示面板20包含：一阵列基板21、一彩色滤光片基板10及一液晶层22。所述彩色滤光片基板10包含：一透光基板11、多个滤光图案12、多个黑色光阻13、多个感光元件14、多个薄膜晶体管15、多个数据线16及多个扫描线17。所述多个滤光图案12设在所述透光基板11上。所述多个黑色光阻13设在所述透光基板11上且位在所述多个滤光图案12之间。所述多个感光元件14夹设在所述多个黑色光阻13与所述透光基板11之间。所述多个薄膜晶体管15各具有一源极151、一漏极152与一栅极153，其中所述多个薄膜晶体管15的源极151电性连接所述多个感光元件14。所述多个数据线16电性连接所述多个薄膜晶体管15的漏极152。所述多个扫描线17电性连接所述多个薄膜晶体管15的栅极153。所述液晶层22设在所述阵列基板21与所述彩色滤光片基板10之间。所述显示面板20的彩色滤光片基板10可采用上述本发明实施例的彩色滤光片基板10，故相关的实施例与范例不再重复描述。在一实施例中，所述显示面板20可包含一间隔子(spacer)23，所述间隔子23夹设于所述彩色滤光片基板10及所述阵列基板21之间，以使所述液晶层容置在所述间隔子23、所述彩色滤光片基板10及所述阵列基板21所形成的空间之中。
在一实施例中，所述阵列基板21可具有多个器件层，例如包含多个薄膜晶体管、多个数据线与多个扫描线等。所述多个器件层可用于控制所述液晶层的液晶分子的转向，以控制背光源24的光线是否射向所述彩色滤光片基板10。在另一实施例中，所述阵列基板21可采用市售的阵列基板。
在一实施例中，可通过一框胶25黏合所述阵列基板21与所述彩色滤光片基板10，以使所述液晶层22封闭在所述阵列基板21、所述彩色滤光片基板10与所述框胶25所形成的空间中。
本发明实施例的显示面板20，通过在所述彩色滤光片基板10的多个黑色光阻13与所述透光基板11之间设置多个感光元件14来进行脸部辨识，故可以在不对屏幕进行挖槽处理的情形下具备脸部辨识功能，故可兼顾全面屏与人脸识别功能，以及降低屏幕制作成本。
本发明已由上述相关实施例加以描述，然而上述实施例仅为实施本发明的范例。必需指出的是，已公开的实施例并未限制本发明的范围。相反地，包含于权利要求书的精神及范围的修改及均等设置均包括于本发明的范围内。

Claims (13)

  1. 一种彩色滤光片基板，其包含：
    一透光基板；
    多个滤光图案，设在所述透光基板上且包含至少一红色滤光图案、至少一绿色滤光图案及至少一蓝色滤光图案；
    多个黑色光阻，设在所述透光基板上且位在所述多个滤光图案之间；
    多个感光元件，夹设在所述多个黑色光阻与所述透光基板之间；
    多个薄膜晶体管，各具有一源极、一漏极与一栅极，其中所述多个薄膜晶体管的源极电性连接所述多个感光元件；
    多个数据线，电性连接所述多个薄膜晶体管的漏极；
    多个扫描线，电性连接所述多个薄膜晶体管的栅极；以及
    一芯片，电性连接所述多个数据线。
  2. 如权利要求1所述的彩色滤光片基板，其中所述多个感光元件包含多个感光耦合元件或多个互补性氧化金属半导体元件。
  3. 如权利要求1所述的彩色滤光片基板，其中所述多个感光元件包含多个单色感光元件、多个多色感光元件或多个红外线感光元件。
  4. 一种彩色滤光片基板，其包含：
    一透光基板；
    多个滤光图案，设在所述透光基板上；
    多个黑色光阻，设在所述透光基板上且位在所述多个滤光图案之间；
    多个感光元件，夹设在所述多个黑色光阻与所述透光基板之间；
    多个薄膜晶体管，各具有一源极、一漏极与一栅极，其中所述多个薄膜晶体管的源极电性连接所述多个感光元件；
    多个数据线，电性连接所述多个薄膜晶体管的漏极；以及
    多个扫描线，电性连接所述多个薄膜晶体管的栅极。
  5. 如权利要求4所述的彩色滤光片基板，其中多个滤光图案包含至少一红色滤光图案、至少一绿色滤光图案及至少一蓝色滤光图案。
  6. 如权利要求4所述的彩色滤光片基板，其中所述多个感光元件包含多个感光耦合元件或多个互补性氧化金属半导体元件。
  7. 如权利要求4所述的彩色滤光片基板，其中所述多个感光元件包含多个单色感光元件、多个多色感光元件或多个红外线感光元件。
  8. 如权利要求4所述的彩色滤光片基板，其中所述彩色滤光片基板还包含一芯片，所述芯片电性连接所述多个数据线。
  9. 一种显示面板，其包含：
    一阵列基板；
    一彩色滤光片基板，包含：
    一透光基板；
    多个滤光图案，设在所述透光基板上；
    多个黑色光阻，设在所述透光基板上且位在所述多个滤光图案之间；
    多个感光元件，夹设在所述多个黑色光阻与所述透光基板之间；
    多个薄膜晶体管，各具有一源极、一漏极与一栅极，其中所述多个薄膜晶体管的源极电性连接所述多个感光元件；
    多个数据线，电性连接所述多个薄膜晶体管的漏极；及
    多个扫描线，电性连接所述多个薄膜晶体管的栅极；以及
    一液晶层，设在所述阵列基板与所述彩色滤光片基板之间。
  10. 如权利要求9所述的显示面板，其中所述多个滤光图案包含至少一红色滤光图案、至少一绿色滤光图案及至少一蓝色滤光图案。
  11. 如权利要求9所述的显示面板，其中所述多个感光元件包含多个感光耦合元件或多个互补性氧化金属半导体元件。
  12. 如权利要求9所述的显示面板，其中所述多个感光元件包含多个单色感光元件、多个多色感光元件或多个红外线感光元件。
  13. 如权利要求9所述的显示面板，其中所述彩色滤光片基板还包含一芯片，所述芯片电性连接所述多个数据线。
PCT/CN2018/105424 2018-08-31 2018-09-13 彩色滤光片基板及显示面板 Ceased WO2020042231A1 (zh)

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