WO2017156811A1 - 液晶显示面板 - Google Patents

液晶显示面板 Download PDF

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Publication number
WO2017156811A1
WO2017156811A1 PCT/CN2016/078767 CN2016078767W WO2017156811A1 WO 2017156811 A1 WO2017156811 A1 WO 2017156811A1 CN 2016078767 W CN2016078767 W CN 2016078767W WO 2017156811 A1 WO2017156811 A1 WO 2017156811A1
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WIPO (PCT)
Prior art keywords
liquid crystal
pixel electrode
disposed
layer
display panel
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/CN2016/078767
Other languages
English (en)
French (fr)
Inventor
崔宏青
钟新辉
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
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
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 Shenzhen China Star Optoelectronics Technology Co Ltd, Wuhan China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to US15/116,217 priority Critical patent/US20180052360A1/en
Publication of WO2017156811A1 publication Critical patent/WO2017156811A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G02F1/133528—Polarisers
    • 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
    • G02F1/133553—Reflecting elements
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    • 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
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    • 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
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    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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    • G—PHYSICS
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    • 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
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    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • 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
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    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G—PHYSICS
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    • 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
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    • 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
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    • G—PHYSICS
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    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
    • 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • 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
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    • 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
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    • 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
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Definitions

  • the present invention relates to the field of liquid crystal display technology, and in particular, to a liquid crystal display panel.
  • the energy consumption of the display will greatly affect the overall battery life of the product when the battery power is constant, so the development of low energy consumption and superior performance The display becomes more and more important.
  • high-performance displays By analyzing the use and habits of people using liquid crystal display panels, high-performance displays (high resolution, high contrast, high color gamut, etc.) are necessary; however, in some application scenarios, the display effect can be selected. A weaker but less power-hungry alternative display solution.
  • a high-performance liquid crystal display panel can be used in the case of watching videos and images, etc., to provide users with vivid and bright visual enjoyment; and when the battery power is low, or only need to watch content information such as text, then
  • the power-saving display mode of the liquid crystal display panel can be activated, in which the liquid crystal display panel can display the necessary content and extend the battery life time.
  • the above-mentioned liquid crystal display panel has a high production cost and the power saving effect of the power saving display mode is still poor.
  • the present invention provides a liquid crystal display panel having high light reflectance and good color display effect on a display screen; and solving the technical problem that the conventional liquid crystal display panel is less likely to have a low light reflectance and a poor color mixture.
  • Embodiments of the present invention provide a liquid crystal display panel including a transmissive display area and a reflective display area;
  • transmissive display area comprises:
  • An upper polarizer disposed on an outer side of the upper substrate to filter a first outgoing light of a predetermined polarization state
  • a color filter disposed on an inner side of the upper substrate for filtering a first outgoing light of a preset color wavelength
  • a lower polarizing plate disposed on an outer side of the lower substrate to filter first incident light of a predetermined polarization state
  • a first pixel electrode disposed on an inner side of the lower substrate to provide a first driving voltage and a common voltage
  • liquid crystal layer disposed between the color filter and the first pixel electrode for deflecting the first incident light to form a first exiting light
  • the reflective display area includes:
  • a half wave plate disposed on an outer side of the upper substrate for changing a polarization state of the second outgoing light
  • the upper polarizer is further disposed on an outer side of the half wave plate for filtering a second outgoing light of a preset polarization state;
  • the color filter is the color filter
  • a common electrode disposed on an inner side of the color filter for providing a common voltage
  • the lower substrate The lower substrate
  • the lower polarizing plate The lower polarizing plate
  • a second pixel electrode disposed on an inner side of the lower substrate for providing a second driving voltage and for reflecting ambient light
  • the liquid crystal layer is further disposed between the color filter and the second pixel electrode for deflecting the second incident light to form a second exit light;
  • the display mode of the transmissive display area of the liquid crystal display panel is an IPS display mode or an FFS display mode; and the display mode of the reflective display area of the liquid crystal display panel is an ECB display mode;
  • the thickness of the liquid crystal layer of the transmissive display region is greater than the thickness of the liquid crystal layer of the reflective display region.
  • the display mode of the transmissive display area of the liquid crystal display panel is an FFS display mode;
  • the first pixel electrode includes a first sub-pixel electrode that provides a first driving voltage, and And a second sub-pixel electrode that provides a common voltage, and the first sub-pixel electrode and the second sub-pixel electrode are spaced apart.
  • the display mode of the transmissive display area of the liquid crystal display panel is an IPS display mode; and the first pixel electrode includes a first sub-pixel electrode that provides a first driving voltage and a second sub-pixel electrode that provides a common voltage, the first sub-pixel electrode is spaced apart from the first electrode layer of the first pixel electrode; and the second sub-pixel electrode is disposed at the first pixel electrode a two electrode layer, the first electrode layer and the second electrode layer being separated by an insulating layer.
  • the transmissive display region further includes a first planar layer, the first planar layer being disposed between the color filter and the liquid crystal layer;
  • the reflective display region further includes a second planar layer disposed between the color filter and the common electrode.
  • the transmissive display region further includes a first alignment layer, the first alignment layer being disposed between the first planar layer and the liquid crystal layer, and the liquid crystal layer And the first pixel electrode;
  • the reflective display region further includes a second alignment layer disposed between the second planar layer and the liquid crystal layer, and between the liquid crystal layer and the second pixel electrode.
  • the angle between the fast axis direction of the half wave plate and the transmission axis direction of the upper polarizing plate is 22.5 degrees.
  • a black matrix is further disposed between the color filters of the transmissive display region.
  • the transmissive display region further includes a first light source for providing the first incident light; the reflective display region further includes a second for providing the second incident light Two light sources.
  • the liquid crystal display panel includes a transmissive display area and a reflective display area, and the reflective display area is disposed above the transmissive display area.
  • Embodiments of the present invention provide a liquid crystal display panel including a transmissive display area and a reflective display area;
  • transmissive display area comprises:
  • An upper polarizer disposed on an outer side of the upper substrate to filter a first outgoing light of a predetermined polarization state
  • a color filter disposed on an inner side of the upper substrate for filtering a first outgoing light of a preset color wavelength
  • a lower polarizing plate disposed on an outer side of the lower substrate to filter first incident light of a predetermined polarization state
  • a first pixel electrode disposed on an inner side of the lower substrate to provide a first driving voltage and a common voltage
  • liquid crystal layer disposed between the color filter and the first pixel electrode for deflecting the first incident light to form a first exiting light
  • the reflective display area includes:
  • a half wave plate disposed on an outer side of the upper substrate for changing a polarization state of the second outgoing light
  • the upper polarizer is further disposed on an outer side of the half wave plate for filtering a second outgoing light of a preset polarization state;
  • the color filter is the color filter
  • a common electrode disposed on an inner side of the color filter for providing a common voltage
  • the lower substrate The lower substrate
  • the lower polarizing plate The lower polarizing plate
  • a second pixel electrode disposed on an inner side of the lower substrate for providing a second driving voltage and for reflecting ambient light
  • the liquid crystal layer is further disposed between the color filter and the second pixel electrode for deflecting the second incident light to form a second outgoing light.
  • the display mode of the transmissive display area of the liquid crystal display panel is an IPS display mode or an FFS display mode; and the display mode of the reflective display area of the liquid crystal display panel is an ECB display mode.
  • the display mode of the transmissive display area of the liquid crystal display panel is an FFS display mode;
  • the first pixel electrode includes a first sub-pixel electrode that provides a first driving voltage, and And a second sub-pixel electrode that provides a common voltage, and the first sub-pixel electrode and the second sub-pixel electrode are spaced apart.
  • the display mode of the transmissive display area of the liquid crystal display panel is an IPS display mode; and the first pixel electrode includes a first sub-pixel electrode that provides a first driving voltage and a second sub-pixel electrode that provides a common voltage, the first sub-pixel electrode is spaced apart from the first electrode layer of the first pixel electrode; and the second sub-pixel electrode is disposed at the first pixel electrode a two electrode layer, the first electrode layer and the second electrode layer being separated by an insulating layer.
  • the transmissive display region further includes a first planar layer, the first planar layer being disposed between the color filter and the liquid crystal layer;
  • the reflective display region further includes a second planar layer disposed between the color filter and the common electrode.
  • the transmissive display region further includes a first alignment layer, the first alignment layer being disposed between the first planar layer and the liquid crystal layer, and the liquid crystal layer And the first pixel electrode;
  • the reflective display region further includes a second alignment layer disposed between the second planar layer and the liquid crystal layer, and between the liquid crystal layer and the second pixel electrode.
  • the thickness of the liquid crystal layer of the transmissive display region is larger than the thickness of the liquid crystal layer of the reflective display region.
  • the angle between the fast axis direction of the half wave plate and the transmission axis direction of the upper polarizing plate is 22.5 degrees.
  • a black matrix is further disposed between the color filters of the transmissive display region.
  • the transmissive display region further includes a first light source for providing the first incident light; the reflective display region further includes a second for providing the second incident light Two light sources.
  • the liquid crystal display panel includes a transmissive display area and a reflective display area, and the reflective display area is disposed above the transmissive display area.
  • the liquid crystal display panel of the present invention can fully utilize the ambient light in the energy-saving state through the setting of the transmissive display area and the reflective display area, so the light reflectance is high, and the color screen display effect is high; the existing liquid crystal display is solved.
  • the panel is prone to technical problems of low light reflectance and poor color mixing.
  • FIG. 1 is a schematic structural view of a preferred embodiment of a liquid crystal display panel of the present invention.
  • Figure 2 is a partial enlarged view of a portion A of Figure 1;
  • Figure 3 is a cross-sectional view taken along line B-B' of Figure 2;
  • FIG. 4 is a schematic structural view of a first pixel electrode of a liquid crystal display panel of the present invention.
  • FIG. 5 is a second schematic structural diagram of a first pixel electrode of a liquid crystal display panel of the present invention.
  • FIG. 1 is a schematic structural view of a preferred embodiment of a liquid crystal display panel of the present invention
  • FIG. 2 is a partial enlarged view of a portion A of FIG. 1
  • 3 is a cross-sectional line taken along line BB' of FIG. Sectional view.
  • the liquid crystal display panel of the preferred embodiment includes a transmissive display area and a reflective display area, wherein the transmissive display area is displayed by light transmission of the backlight, and the reflective display area is reflected by ambient light or The light transmission of the backlight is displayed on the screen.
  • the liquid crystal display panel includes a transmissive display area and a reflective display area disposed above the transmissive display area.
  • R1 in FIG. 2 is a red pixel of the reflective display area
  • B1 is a blue pixel of the reflective display area
  • G1 is a green pixel of the reflective display area
  • R2 is a red pixel of the transmissive display area
  • B2 is a blue color of the transmissive display area.
  • the pixel, G2, is a green pixel of the transmissive display area.
  • the transmissive display area of the liquid crystal display panel includes an upper substrate 301, an upper polarizer 302, a color filter 303, a lower substrate 304, a lower polarizer 305, a first pixel electrode 306, and a liquid crystal layer 307. a first planarization layer 308, a first alignment layer 309, a first light source (not shown), and a black matrix 310.
  • the upper polarizer 302 is disposed outside the upper substrate 301 for filtering the first outgoing light of the predetermined polarization state; the color filter 303 is disposed inside the upper substrate 301 for filtering the preset color wavelength. a first exiting light; a lower polarizing plate 305 disposed on an outer side of the lower substrate substrate 304 for filtering the first incident light of the predetermined polarization state; the first pixel electrode 306 disposed on the inner side of the lower substrate substrate 304 for providing the first The driving voltage and the common voltage; the liquid crystal layer 307 is disposed between the color filter 303 and the first pixel electrode 306 for deflecting the first incident light to form the first outgoing light.
  • the first flat layer 308 is disposed between the color filter 303 and the liquid crystal layer 307 for planarizing the inner surface of the color filter 303.
  • the first alignment layer 309 is disposed between the first planarization layer 308 and the liquid crystal layer 307, and the liquid crystal layer 307 and the first pixel electrode 306 for performing alignment processing on the liquid crystal molecules in the liquid crystal layer 307 in the transmissive display region.
  • the first light source is for providing first incident light.
  • the black matrix 310 is used to isolate color filters of different colors.
  • the reflective display area of the liquid crystal display panel includes an upper substrate 301, a half wave plate 311, an upper polarizer 302, a color filter 303, a common electrode 312, a lower substrate 304, a lower polarizer 305, and a second pixel electrode 313.
  • the half wave plate 311 is disposed outside the upper substrate 301 for changing the polarization state of the second outgoing light; the upper polarizer 302 is further disposed outside the half wave plate 311 for filtering the second output of the preset polarization state.
  • a common electrode 312 is disposed on the inner side of the color filter 303 for providing a common voltage; the second pixel electrode 313 is disposed on the inner side of the lower substrate substrate 304 for providing a second driving voltage and for reflecting external ambient light;
  • a layer 307 is also disposed between the color filter 303 and the second pixel electrode 313 for deflecting the second incident light to form a second exiting light.
  • the second flat layer 314 is disposed between the color filter 303 and the common electrode 312 for planarizing the inner surface of the color filter 303.
  • the second alignment layer 315 is disposed between the second planarization layer 314 and the liquid crystal layer 307, and the liquid crystal layer 307 and the second pixel electrode 313 for performing alignment processing on the liquid crystal molecules in the liquid crystal layer 307 in the reflective display region.
  • the thickness of the liquid crystal layer 307 of the transmissive display region is greater than the thickness of the liquid crystal layer 307 of the reflective display region, such as the thickness of the liquid crystal layer 307 of the transmissive display region being twice the thickness of the liquid crystal layer 307 of the reflective display region, such that the transmissive display region and The display effect of the reflective display area is small.
  • the angle between the fast axis direction of the half-wave plate 311 of the reflective display region and the transmission axis direction of the upper polarizing plate 302 is 22.5 degrees.
  • the display mode of the transmissive display area of the liquid crystal display panel of the preferred embodiment is FFS (Fringe Field Switching, edge field switching technology) display mode or IPS (In-Plane Switching) ) Display mode.
  • the display mode of the reflective display area of the liquid crystal display panel is ECB (electrically controlled Birefringence, electronically controlled birefringence) display mode.
  • the structure of the first pixel electrode 406 is as shown in FIG. 4, and the first pixel electrode 406 includes a first sub-pixel electrode 4061 that provides a first driving voltage and A second sub-pixel electrode 4062 for providing a common voltage, the first sub-pixel electrode 4061 and the second sub-pixel electrode 4062 are spaced apart.
  • the structure of the first pixel electrode 506 is as shown in FIG. 5, and the first pixel electrode 506 includes a first sub-pixel electrode 5061 that provides a first driving voltage and a second sub-pixel electrode 5062 for providing a common voltage, the first sub-pixel electrode 5061 is spaced apart from the first electrode layer of the first pixel electrode 506, and the second sub-pixel electrode 5062 is disposed at the second electrode of the first pixel electrode 506 The layer, the first electrode layer and the second electrode layer are separated by an insulating layer 5063.
  • the transmissive display area of the liquid crystal display panel operates, and the first pixel electrode 306 inputs the first driving voltage and the common voltage, ie:
  • a light source provides first incident light, and the first incident light is converted into a first incident light of a predetermined polarization state by the lower polarizing plate 305; the first incident light of the predetermined polarization state is deflected by the liquid crystal layer 307, and then passes through the color filter.
  • the sheet 303 is converted into a first outgoing light of a preset color wavelength, and finally the first outgoing light of the predetermined polarization state is emitted through the upper polarizer 302 to realize display of a color picture; the transmissive display area of the liquid crystal display panel is in a bright state.
  • the reflective display area of the liquid crystal display panel is in an inoperative state, and the second pixel electrode 313 and the common electrode 312 are not input with a signal.
  • the ambient light of the reflective display area of the liquid crystal display panel is converted into ambient light of a predetermined polarization state by the upper polarizing plate 302, such as 90-degree linearly polarized light; the ambient light of the predetermined polarization state is then passed through the half-wave plate 311 ( The half-wave plate 311 has a fast axis direction of 67.5 degrees) and the rear polarization direction is rotated by 45 degrees, such as 45 degrees of linearly polarized light; then the ambient light is reflected by the liquid crystal layer 307 and the second pixel electrode 313 to form a second incident light; After the incident light passes through the liquid crystal layer 307 again, a second outgoing light is formed, and the second outgoing light has a polarization angle of 135 degrees.
  • the second outgoing light is converted into a second outgoing light of a predetermined color wavelength by the color filter 303, and finally the second outgoing light of the preset color wavelength passes through the half-wave plate 311 to form a second outgoing light of 0 degrees.
  • the polarizing plate 302 blocks, and the reflective display area of the liquid crystal display panel exhibits a dark state, that is, the reflective display area of the liquid crystal display panel is a normally black display mode.
  • the reflective display area of the liquid crystal display panel works, namely:
  • the second pixel electrode 313 inputs a second driving voltage
  • the common electrode 312 inputs a common voltage.
  • the ambient light is converted into ambient light of a predetermined polarization state by the upper polarizing plate 302, such as 90-degree linearly polarized light; the ambient light of the predetermined polarization state is then passed through the half-wave plate 311 (the fast-axis direction of the half-wave plate 311) After 67.5 degrees), the post-polarization direction is rotated by 45 degrees, such as 45 degrees of linearly polarized light; then the ambient light passes through the liquid crystal layer 307 (the liquid crystal molecules are vertically aligned, no anisotropic), and then reflected by the second pixel electrode 313.
  • a second incident light is formed; the second incident light again passes through the liquid crystal layer 307 to form a second outgoing light.
  • the second outgoing light is converted into a second outgoing light of a preset color wavelength by the color filter 303, and finally the second outgoing light of the preset color wavelength passes through the half wave plate 311 to form a second outgoing light of 90 degrees.
  • the upper polarizing plate 302 is emitted to realize display of a color picture; the reflective display area of the liquid crystal display panel is in a bright state.
  • the transmissive display area of the liquid crystal display panel is in an inoperative state, and the first pixel electrode 306 is not input with a signal. At this time, the first light source does not emit the first incident light, and the transmissive display area of the liquid crystal display panel is in a dark state, that is, the transmissive display area of the liquid crystal display panel is a normally black display mode.
  • the liquid crystal display panel further includes a second light source (not shown) for providing the second incident light.
  • a second light source (not shown) for providing the second incident light.
  • a second source of light can be used to provide the second incident light directly to the reflective display region.
  • the liquid crystal display panel of the present invention can fully utilize the ambient light in the energy-saving state through the setting of the transmissive display area and the reflective display area, so the light reflectance is high, and the color screen display effect is high; the existing liquid crystal display is solved.
  • the panel is prone to technical problems of low light reflectance and poor color mixing.

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Abstract

一种液晶显示面板，其包括透射显示区以及反射显示区；其中透射显示区包括上衬底基板（301）、上偏光片（302）、彩色滤光片（303）、下衬底基板（304）、下偏光片（305）、第一像素电极（306）以及液晶层（307）；反射显示区包括上衬底基板（301）、半波片（311）、上偏光片（302）、彩色滤光片（303）、公共电极（312）、下衬底基板（304）、下偏光片（305）、第二像素电极（313）以及液晶层（307）。

Description

液晶显示面板 技术领域
本发明涉及液晶显示技术领域，特别涉及一种液晶显示面板。
 背景技术
随着穿戴式设备如智能手表、智能眼镜等产品和应用的逐渐兴起，在电池电量一定的情况下，显示器的能耗问题将极大影响产品整体的续航能力，所以开发出低能耗且性能优越的显示器变得越来越重要。
通过对人们使用液晶显示面板的用途及习惯进行分析后得出，高性能显示器（高分辨率、高对比、高色域等）是必要的；但是某些的应用场景下，可以选择显示效果相对较弱但耗电低的替代显示方案。
换句话说，在观看视频和图像等情况下可以使用高性能的液晶显示面板，以提供给用户鲜艳明亮的视觉享受；而当电池电量较低、或者仅仅需要观看文字等内容信息的时候，则可启动液晶显示面板的省电显示模式，在该模式下液晶显示面板即可进行必要内容的显示，又可延长电池的续航时间。但是上述液晶显示面板的制作成本较高且省电显示模式的节能效果依然较差。
故，有必要提供一种液晶显示面板，以解决现有技术所存在的问题。
 技术问题
有鉴于此，本发明提供一种光反射率高且显示画面的色彩显示效果较好的液晶显示面板；以解决现有的液晶显示面板容易出现光反射率较低且画面混色不良的技术问题。
 技术解决方案
本发明实施例提供一种液晶显示面板，其包括透射显示区以及反射显示区；
其中所述透射显示区包括：
上衬底基板；
上偏光片，设置在所述上衬底基板的外侧，用于过滤预设偏振态的第一出射光；
彩色滤光片，设置在所述上衬底基板的内侧，用于过滤预设颜色波长的第一出射光；
下衬底基板；
下偏光板，设置在所述下衬底基板的外侧，用于过滤预设偏振态的第一入射光；
第一像素电极，设置在所述下衬底基板的内侧，用于提供第一驱动电压以及公共电压；以及
液晶层，设置在所述彩色滤光片和所述第一像素电极之间，用于将所述第一入射光进行偏转，形成第一出射光；
所述反射显示区包括：
所述上衬底基板；
半波片，设置在所述上衬底基板的外侧，用于改变第二出射光的偏振态；
所述上偏光片，还设置在所述半波片的外侧，用于过滤预设偏振态的第二出射光；
所述彩色滤光片；
公共电极，设置在所述彩色滤光片的内侧，用于提供公共电压；
所述下衬底基板；
所述下偏光板；
第二像素电极，设置在所述下衬底基板的内侧，用于提供第二驱动电压并用于反射外界环境光；以及
所述液晶层，还设置在所述彩色滤光片和所述第二像素电极之间，用于将所述第二入射光进行偏转，形成第二出射光；
其中所述液晶显示面板的透射显示区的显示模式为IPS显示模式或FFS显示模式；所述液晶显示面板的反射显示区的显示模式为ECB显示模式；
所述透射显示区的液晶层的厚度大于所述反射显示区的液晶层的厚度。
在本发明所述的液晶显示面板中，如所述液晶显示面板的透射显示区的显示模式为FFS显示模式；则所述第一像素电极包括提供第一驱动电压的第一子像素电极以及用于提供公共电压的第二子像素电极，所述第一子像素电极和所述第二子像素电极间隔设置。
在本发明所述的液晶显示面板中，如所述液晶显示面板的透射显示区的显示模式为IPS显示模式；则所述第一像素电极包括提供第一驱动电压的第一子像素电极以及用于提供公共电压的第二子像素电极，所述第一子像素电极间隔设置在所述第一像素电极的第一电极层；所述第二子像素电极设置在所述第一像素电极的第二电极层，所述第一电极层和第二电极层通过绝缘层隔离。
在本发明所述的液晶显示面板中，所述透射显示区还包括第一平坦层，所述第一平坦层设置在所述彩色滤光片和所述液晶层之间；
所述反射显示区还包括第二平坦层，所述第二平坦层设置在所述彩色滤光片和所述公共电极之间。
在本发明所述的液晶显示面板中，所述透射显示区还包括第一配向层，所述第一配向层设置在所述第一平坦层和所述液晶层之间、以及所述液晶层和所述第一像素电极之间；
所述反射显示区还包括第二配向层，所述第二配向层设置在所述第二平坦层和所述液晶层之间、以及所述液晶层和所述第二像素电极之间。
在本发明所述的液晶显示面板中，所述半波片的快轴方向与所述上偏光板的穿透轴方向的夹角为22.5度。
在本发明所述的液晶显示面板中，所述透射显示区的所述彩色滤光片之间还设置有黑色矩阵。
在本发明所述的液晶显示面板中，所述透射显示区还包括用于提供所述第一入射光的第一光源；所述反射显示区还包括用于提供所述第二入射光的第二光源。
在本发明所述的液晶显示面板中，所述液晶显示面板包括一透射显示区以及一反射显示区，所述反射显示区设置在所述透射显示区的上方。
本发明实施例提供一种液晶显示面板，其包括透射显示区以及反射显示区；
其中所述透射显示区包括：
上衬底基板；
上偏光片，设置在所述上衬底基板的外侧，用于过滤预设偏振态的第一出射光；
彩色滤光片，设置在所述上衬底基板的内侧，用于过滤预设颜色波长的第一出射光；
下衬底基板；
下偏光板，设置在所述下衬底基板的外侧，用于过滤预设偏振态的第一入射光；
第一像素电极，设置在所述下衬底基板的内侧，用于提供第一驱动电压以及公共电压；以及
液晶层，设置在所述彩色滤光片和所述第一像素电极之间，用于将所述第一入射光进行偏转，形成第一出射光；
所述反射显示区包括：
所述上衬底基板；
半波片，设置在所述上衬底基板的外侧，用于改变第二出射光的偏振态；
所述上偏光片，还设置在所述半波片的外侧，用于过滤预设偏振态的第二出射光；
所述彩色滤光片；
公共电极，设置在所述彩色滤光片的内侧，用于提供公共电压；
所述下衬底基板；
所述下偏光板；
第二像素电极，设置在所述下衬底基板的内侧，用于提供第二驱动电压并用于反射外界环境光；以及
所述液晶层，还设置在所述彩色滤光片和所述第二像素电极之间，用于将所述第二入射光进行偏转，形成第二出射光。
在本发明所述的液晶显示面板中，所述液晶显示面板的透射显示区的显示模式为IPS显示模式或FFS显示模式；所述液晶显示面板的反射显示区的显示模式为ECB显示模式。
在本发明所述的液晶显示面板中，如所述液晶显示面板的透射显示区的显示模式为FFS显示模式；则所述第一像素电极包括提供第一驱动电压的第一子像素电极以及用于提供公共电压的第二子像素电极，所述第一子像素电极和所述第二子像素电极间隔设置。
在本发明所述的液晶显示面板中，如所述液晶显示面板的透射显示区的显示模式为IPS显示模式；则所述第一像素电极包括提供第一驱动电压的第一子像素电极以及用于提供公共电压的第二子像素电极，所述第一子像素电极间隔设置在所述第一像素电极的第一电极层；所述第二子像素电极设置在所述第一像素电极的第二电极层，所述第一电极层和第二电极层通过绝缘层隔离。
在本发明所述的液晶显示面板中，所述透射显示区还包括第一平坦层，所述第一平坦层设置在所述彩色滤光片和所述液晶层之间；
所述反射显示区还包括第二平坦层，所述第二平坦层设置在所述彩色滤光片和所述公共电极之间。
在本发明所述的液晶显示面板中，所述透射显示区还包括第一配向层，所述第一配向层设置在所述第一平坦层和所述液晶层之间、以及所述液晶层和所述第一像素电极之间；
所述反射显示区还包括第二配向层，所述第二配向层设置在所述第二平坦层和所述液晶层之间、以及所述液晶层和所述第二像素电极之间。
在本发明所述的液晶显示面板中，所述透射显示区的液晶层的厚度大于所述反射显示区的液晶层的厚度。
在本发明所述的液晶显示面板中，所述半波片的快轴方向与所述上偏光板的穿透轴方向的夹角为22.5度。
在本发明所述的液晶显示面板中，所述透射显示区的所述彩色滤光片之间还设置有黑色矩阵。
在本发明所述的液晶显示面板中，所述透射显示区还包括用于提供所述第一入射光的第一光源；所述反射显示区还包括用于提供所述第二入射光的第二光源。
在本发明的液晶显示面板中，所述液晶显示面板包括一透射显示区以及一反射显示区，所述反射显示区设置在所述透射显示区的上方。
 有益效果
本发明的液晶显示面板通过透射显示区和反射显示区的设置，在节能状态下可充分利用外界环境光，因此光反射率较高，且彩色画面显示效果较高；解决了现有的液晶显示面板容易出现光反射率较低且画面混色不良的技术问题。
 附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面对实施例中所需要使用的附图作简单的介绍。下面描述中的附图仅为本发明的部分实施例，对于本领域普通技术人员而言，在不付出创造性劳动的前提下，还可以根据这些附图获取其他的附图。
图1为本发明的液晶显示面板的优选实施例的结构示意图；
图2为图1的A部分的局部放大图；
图3为沿图2的B-B’截面线的截面图；
图4为本发明的液晶显示面板的第一像素电极的结构示意图之一；
图5为本发明的液晶显示面板的第一像素电极的结构示意图之二。
 本发明的最佳实施方式
请参照附图中的图式，其中相同的组件符号代表相同的组件。以下的说明是基于所例示的本发明具体实施例，其不应被视为限制本发明未在此详述的其它具体实施例。
请参照图1-图3，图1为本发明的液晶显示面板的优选实施例的结构示意图；图2为图1的A部分的局部放大图；3为沿图2的B-B’截面线的截面图。
如图1和图2所示，本优选实施例的液晶显示面板包括透射显示区以及反射显示区，其中透射显示区通过背光源的光线透射进行画面显示，反射显示区通过外界环境光的反射或背光源的光线透射进行画面显示。在本优选实施例中该液晶显示面板包括一透射显示区以及一反射显示区，反射显示区设置在透射显示区的上方。其中图2中的R1为反射显示区的红色像素，B1为反射显示区的蓝色像素，G1为反射显示区的绿色像素；R2为透射显示区的红色像素，B2为透射显示区的蓝色像素，G2为透射显示区的绿色像素。
请参照图3，液晶显示面板的透射显示区包括上衬底基板301、上偏光片302、彩色滤光片303、下衬底基板304、下偏光片305、第一像素电极306、液晶层307、第一平坦层308、第一配向层309、第一光源(图中未示出)以及黑色矩阵310。
上偏光片302设置在上衬底基板301的外侧，用于过滤预设偏振态的第一出射光；彩色滤光片303设置在上衬底基板301的内侧，用于过滤预设颜色波长的第一出射光；下偏光板305设置在下衬底基板304的外侧，用于过滤预设偏振态的第一入射光；第一像素电极306设置在下衬底基板304的内侧，用于提供第一驱动电压以及公共电压；液晶层307设置在彩色滤光片303和第一像素电极306之间，用于将第一入射光进行偏转，形成第一出射光。
第一平坦层308设置在彩色滤光片303和液晶层307之间，用于对彩色滤光片303的内侧表面进行平坦化处理。第一配向层309设置在第一平坦层308和液晶层307、以及液晶层307和第一像素电极306之间，用于对透射显示区中的液晶层307中的液晶分子进行配向处理。第一光源用于提供第一入射光。黑色矩阵310用于隔离不同颜色的彩色滤光片。
液晶显示面板的反射显示区包括上衬底基板301、半波片311、上偏光片302、彩色滤光片303、公共电极312、下衬底基板304、下偏光板305、第二像素电极313、液晶层307、第二平坦层314以及第二配向层315。
半波片311设置在上衬底基板301的外侧，用于改变第二出射光的偏振态；上偏光片302还设置在半波片311的外侧，用于过滤预设偏振态的第二出射光；公共电极312设置在彩色滤光片303的内侧，用于提供公共电压；第二像素电极313设置在下衬底基板304的内侧，用于提供第二驱动电压并用于反射外界环境光；液晶层307还设置在彩色滤光片303和第二像素电极313之间，用于将第二入射光进行偏转，形成第二出射光。
第二平坦层314设置在彩色滤光片303和公共电极312之间，用于对彩色滤光片303的内侧表面进行平坦化处理。第二配向层315设置在第二平坦层314和液晶层307、以及液晶层307和第二像素电极313之间，用于对反射显示区中的液晶层307中的液晶分子进行配向处理。
其中透射显示区的液晶层307的厚度大于反射显示区的液晶层307的厚度，如透射显示区的液晶层307的厚度为反射显示区的液晶层307的厚度的两倍，使得透射显示区和反射显示区的显示效果差异较小。反射显示区的半波片311的快轴方向与上偏光板302的穿透轴方向的夹角为22.5度。
本优选实施例的液晶显示面板的透射显示区的显示模式为FFS（Fringe Field Switching，边缘场开关技术）显示模式或IPS（In-Plane Switching，平面转换屏幕技术 ）显示模式。液晶显示面板的反射显示区的显示模式为ECB（electrically controlled birefringence，电控双折射）显示模式。
如液晶显示面板的透射显示区的显示模式为FFS显示模式，则第一像素电极406的结构如图4所示，该第一像素电极406包括提供第一驱动电压的第一子像素电极4061以及用于提供公共电压的第二子像素电极4062，第一子像素电极4061和第二子像素电极4062间隔设置。
如液晶显示面板的透射显示区的显示模式为IPS显示模式，则第一像素电极506的结构如图5所示，该第一像素电极506包括提供第一驱动电压的第一子像素电极5061以及用于提供公共电压的第二子像素电极5062，第一子像素电极5061间隔设置在第一像素电极506的第一电极层，第二子像素电极5062设置在第一像素电极506的第二电极层，第一电极层和第二电极层通过绝缘层5063隔离。
本优选实施例的液晶显示面板使用时，当该液晶显示面板处于高性能显示模式时，液晶显示面板的透射显示区进行工作，第一像素电极306输入第一驱动电压以及公共电压，即：第一光源提供第一入射光，第一入射光通过下偏光板305转换为预设偏振态的第一入射光；预设偏振态的第一入射光通过液晶层307进行偏转，随后通过彩色滤光片303转换为预设颜色波长的第一出射光，最后预设偏振态的第一出射光通过上偏光片302出射，实现了彩色画面的显示；液晶显示面板的透射显示区处于亮态。
液晶显示面板的反射显示区处于非工作状态，第二像素电极313和公共电极312未输入信号。液晶显示面板的反射显示区的外界环境光通过上偏光板302转换为预设偏振态的外界环境光，如90度的线偏振光；预设偏振态的外界环境光随后通过半波片311（半波片311的快轴方向为67.5度）后偏振方向旋转45度，如45度的线偏振光；随后外界环境光经液晶层307、第二像素电极313进行反射形成第二入射光；第二入射光再次通过液晶层307后形成第二出射光，第二出射光的偏振角度为135度。第二出射光通过彩色滤光片303转换为预设颜色波长的第二出射光，最后预设颜色波长的第二出射光通过半波片311后，形成0度的第二出射光，被上偏光板302阻挡，液晶显示面板的反射显示区呈现暗态，即液晶显示面板的反射显示区为常黑显示模式。
当液晶显示面板处于节能显示模式时，液晶显示面板的反射显示区进行工作，即：
第二像素电极313输入第二驱动电压，公共电极312输入公共电压。外界环境光通过上偏光板302转换为预设偏振态的外界环境光，如90度的线偏振光；预设偏振态的外界环境光随后通过半波片311（半波片311的快轴方向为67.5度）后偏振方向旋转45度，如45度的线偏振光；随后外界环境光通过液晶层307（此时液晶分子垂直排列，无各项异性）后，通过第二像素电极313进行反射形成第二入射光；第二入射光再次通过液晶层307形成第二出射光。第二出射光通过彩色滤光片303转换为预设颜色波长的第二出射光，最后预设颜色波长的第二出射光通过半波片311后，形成90度的第二出射光，可从上偏光板302射出，实现了彩色画面的显示；液晶显示面板的反射显示区呈现亮态。
液晶显示面板的透射显示区处于非工作状态，第一像素电极306未输入信号。这时第一光源不发出第一入射光，液晶显示面板的透射显示区处于暗态，即液晶显示面板的透射显示区为常黑显示模式。
优选的，该液晶显示面板还可包括用于提供第二入射光的第二光源(图中未示出)，当液晶显示面板处于节能显示模式时，如外界环境光的亮度较低，这时可使用第二光源给反射显示区直接提供第二入射光。
本发明的液晶显示面板通过透射显示区和反射显示区的设置，在节能状态下可充分利用外界环境光，因此光反射率较高，且彩色画面显示效果较高；解决了现有的液晶显示面板容易出现光反射率较低且画面混色不良的技术问题。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (20)

  1. 一种液晶显示面板，其包括透射显示区以及反射显示区；
    其中所述透射显示区包括：
    上衬底基板；
    上偏光片，设置在所述上衬底基板的外侧，用于过滤预设偏振态的第一出射光；
    彩色滤光片，设置在所述上衬底基板的内侧，用于过滤预设颜色波长的第一出射光；
    下衬底基板；
    下偏光板，设置在所述下衬底基板的外侧，用于过滤预设偏振态的第一入射光；
    第一像素电极，设置在所述下衬底基板的内侧，用于提供第一驱动电压以及公共电压；以及
    液晶层，设置在所述彩色滤光片和所述第一像素电极之间，用于将所述第一入射光进行偏转，形成第一出射光；
    所述反射显示区包括：
    所述上衬底基板；
    半波片，设置在所述上衬底基板的外侧，用于改变第二出射光的偏振态；
    所述上偏光片，还设置在所述半波片的外侧，用于过滤预设偏振态的第二出射光；
    所述彩色滤光片；
    公共电极，设置在所述彩色滤光片的内侧，用于提供公共电压；
    所述下衬底基板；
    所述下偏光板；
    第二像素电极，设置在所述下衬底基板的内侧，用于提供第二驱动电压并用于反射外界环境光；以及
    所述液晶层，还设置在所述彩色滤光片和所述第二像素电极之间，用于将所述第二入射光进行偏转，形成第二出射光；
    其中所述液晶显示面板的透射显示区的显示模式为IPS显示模式或FFS显示模式；所述液晶显示面板的反射显示区的显示模式为ECB显示模式；
    所述透射显示区的液晶层的厚度大于所述反射显示区的液晶层的厚度。
  2. 根据权利要求1所述液晶显示面板，其中如所述液晶显示面板的透射显示区的显示模式为FFS显示模式；则所述第一像素电极包括提供第一驱动电压的第一子像素电极以及用于提供公共电压的第二子像素电极，所述第一子像素电极和所述第二子像素电极间隔设置。
  3. 根据权利要求1所述液晶显示面板，其中如所述液晶显示面板的透射显示区的显示模式为IPS显示模式；则所述第一像素电极包括提供第一驱动电压的第一子像素电极以及用于提供公共电压的第二子像素电极，所述第一子像素电极间隔设置在所述第一像素电极的第一电极层；所述第二子像素电极设置在所述第一像素电极的第二电极层，所述第一电极层和第二电极层通过绝缘层隔离。
  4. 根据权利要求1所述液晶显示面板，其中所述透射显示区还包括第一平坦层，所述第一平坦层设置在所述彩色滤光片和所述液晶层之间；
    所述反射显示区还包括第二平坦层，所述第二平坦层设置在所述彩色滤光片和所述公共电极之间。
  5. 根据权利要求4所述的液晶显示面板，其中所述透射显示区还包括第一配向层，所述第一配向层设置在所述第一平坦层和所述液晶层之间、以及所述液晶层和所述第一像素电极之间；
    所述反射显示区还包括第二配向层，所述第二配向层设置在所述第二平坦层和所述液晶层之间、以及所述液晶层和所述第二像素电极之间。
  6. 根据权利要求1所述的液晶显示面板，其中所述半波片的快轴方向与所述上偏光板的穿透轴方向的夹角为22.5度。
  7. 根据权利要求1所述的液晶显示面板，其中所述透射显示区的所述彩色滤光片之间还设置有黑色矩阵。
  8. 根据权利要求1所述的液晶显示面板，其中所述透射显示区还包括用于提供所述第一入射光的第一光源；所述反射显示区还包括用于提供所述第二入射光的第二光源。
  9. 根据权利要求1所述的液晶显示面板，其中所述液晶显示面板包括一透射显示区以及一反射显示区，所述反射显示区设置在所述透射显示区的上方。
  10. 一种液晶显示面板，其包括透射显示区以及反射显示区；
    其中所述透射显示区包括：
    上衬底基板；
    上偏光片，设置在所述上衬底基板的外侧，用于过滤预设偏振态的第一出射光；
    彩色滤光片，设置在所述上衬底基板的内侧，用于过滤预设颜色波长的第一出射光；
    下衬底基板；
    下偏光板，设置在所述下衬底基板的外侧，用于过滤预设偏振态的第一入射光；
    第一像素电极，设置在所述下衬底基板的内侧，用于提供第一驱动电压以及公共电压；以及
    液晶层，设置在所述彩色滤光片和所述第一像素电极之间，用于将所述第一入射光进行偏转，形成第一出射光；
    所述反射显示区包括：
    所述上衬底基板；
    半波片，设置在所述上衬底基板的外侧，用于改变第二出射光的偏振态；
    所述上偏光片，还设置在所述半波片的外侧，用于过滤预设偏振态的第二出射光；
    所述彩色滤光片；
    公共电极，设置在所述彩色滤光片的内侧，用于提供公共电压；
    所述下衬底基板；
    所述下偏光板；
    第二像素电极，设置在所述下衬底基板的内侧，用于提供第二驱动电压并用于反射外界环境光；以及
    所述液晶层，还设置在所述彩色滤光片和所述第二像素电极之间，用于将所述第二入射光进行偏转，形成第二出射光。
  11. 根据权利要求10所述的液晶显示面板，其中所述液晶显示面板的透射显示区的显示模式为IPS显示模式或FFS显示模式；所述液晶显示面板的反射显示区的显示模式为ECB显示模式。
  12. 根据权利要求11所述的液晶显示面板，其中如所述液晶显示面板的透射显示区的显示模式为FFS显示模式；则所述第一像素电极包括提供第一驱动电压的第一子像素电极以及用于提供公共电压的第二子像素电极，所述第一子像素电极和所述第二子像素电极间隔设置。
  13. 根据权利要求11所述的液晶显示面板，其中如所述液晶显示面板的透射显示区的显示模式为IPS显示模式；则所述第一像素电极包括提供第一驱动电压的第一子像素电极以及用于提供公共电压的第二子像素电极，所述第一子像素电极间隔设置在所述第一像素电极的第一电极层；所述第二子像素电极设置在所述第一像素电极的第二电极层，所述第一电极层和第二电极层通过绝缘层隔离。
  14. 根据权利要求11所述的液晶显示面板，其中所述透射显示区还包括第一平坦层，所述第一平坦层设置在所述彩色滤光片和所述液晶层之间；
    所述反射显示区还包括第二平坦层，所述第二平坦层设置在所述彩色滤光片和所述公共电极之间。
  15. 根据权利要求11所述的液晶显示面板，其中所述透射显示区还包括第一配向层，所述第一配向层设置在所述第一平坦层和所述液晶层之间、以及所述液晶层和所述第一像素电极之间；
    所述反射显示区还包括第二配向层，所述第二配向层设置在所述第二平坦层和所述液晶层之间、以及所述液晶层和所述第二像素电极之间。
  16. 根据权利要求11所述的液晶显示面板，其中所述透射显示区的液晶层的厚度大于所述反射显示区的液晶层的厚度。
  17. 根据权利要求11所述的液晶显示面板，其中所述半波片的快轴方向与所述上偏光板的穿透轴方向的夹角为22.5度。
  18. 根据权利要求11所述的液晶显示面板，其中所述透射显示区的所述彩色滤光片之间还设置有黑色矩阵。
  19. 根据权利要求11所述的液晶显示面板，其中所述透射显示区还包括用于提供所述第一入射光的第一光源；所述反射显示区还包括用于提供所述第二入射光的第二光源。
  20. 根据权利要求11所述的液晶显示面板，其中所述液晶显示面板包括一透射显示区以及一反射显示区，所述反射显示区设置在所述透射显示区的上方。
PCT/CN2016/078767 2016-03-17 2016-04-08 液晶显示面板 Ceased WO2017156811A1 (zh)

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