WO2018192408A1 - 显示面板、显示装置和驱动显示面板的方法 - Google Patents

显示面板、显示装置和驱动显示面板的方法 Download PDF

Info

Publication number
WO2018192408A1
WO2018192408A1 PCT/CN2018/082810 CN2018082810W WO2018192408A1 WO 2018192408 A1 WO2018192408 A1 WO 2018192408A1 CN 2018082810 W CN2018082810 W CN 2018082810W WO 2018192408 A1 WO2018192408 A1 WO 2018192408A1
Authority
WO
WIPO (PCT)
Prior art keywords
device structure
liquid crystal
layer
display panel
pixel
Prior art date
Application number
PCT/CN2018/082810
Other languages
English (en)
French (fr)
Inventor
赵利军
Original Assignee
京东方科技集团股份有限公司
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 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US16/303,993 priority Critical patent/US11069756B2/en
Publication of WO2018192408A1 publication Critical patent/WO2018192408A1/zh

Links

Images

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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements
    • 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
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • 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
    • G02F1/1343—Electrodes
    • G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
    • 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
    • G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
    • 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
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/121—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode common or background
    • 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
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel
    • 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
    • G02F2201/44—Arrangements combining different electro-active layers, e.g. electrochromic, liquid crystal or electroluminescent layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays

Definitions

  • the present application belongs to the field of display technologies, and in particular, to a display panel, a display device, and a method of driving a display panel.
  • liquid crystal display LCD
  • organic light-emitting diode display Organic Light-Emitting Diode
  • the liquid crystal display has the advantages of no radiation, low energy consumption, no visual distortion, and the like
  • the organic electroluminescent device has the advantages of self-illumination, fast response speed, wide viewing angle and the like.
  • the reflective electrodes are separately prepared and independently layered.
  • the reflective electrode occupies a pixel opening area, and the power consumption for achieving the same display brightness is high, and the process process is complicated.
  • the present application provides a display panel including a control unit layer, an organic electroluminescent device structure, and a liquid crystal display device structure, wherein the control unit layer and the organic electroluminescent device structure and the liquid crystal, respectively
  • the display device structure is electrically connected, the electrodes of the organic electroluminescent device structure being at least partially shared with the electrodes of the liquid crystal display device structure.
  • the organic electroluminescent device structure includes at least an anode, a cathode, and a light emitting layer between the anode and the cathode, the liquid crystal display device structure including at least a pixel electrode, a common electrode, a liquid crystal layer, and color a film layer; the cathode of the organic electroluminescent device structure is shared by the pixel electrode or the common electrode of the liquid crystal display device structure.
  • the anode, the light emitting layer and the cathode of the organic electroluminescent device structure are sequentially disposed in a vertical direction, and the cathode is shared as the pixel electrode, and the liquid crystal display device structure is The liquid crystal layer, the common electrode, and the color film layer are sequentially disposed in a direction away from the cathode on a side of the cathode remote from the light emitting layer.
  • the display panel further includes a passivation layer disposed between the organic electroluminescent device structure and the liquid crystal display device structure, disposed between the cathode and the liquid crystal layer.
  • the pixel electrode is formed using a reflective conductive material.
  • the display panel is divided into a plurality of pixel regions, the light emitting layer of the organic electroluminescent device structure emits white light, and the color film layer includes a plurality of color film blocks, and each color film block is disposed. In a corresponding one of the pixel regions, and throughout the pixel region.
  • the cathode is shared by the common electrode, and the pixel electrode, the cathode, the liquid crystal layer, and the color film layer are sequentially disposed in a vertical direction, and the organic electroluminescent device structure is The light emitting layer and the anode are sequentially disposed in a direction away from the cathode on a side of the cathode remote from the liquid crystal layer.
  • the anode includes a plurality of anode blocks
  • the pixel electrode includes a plurality of pixel electrode blocks, the plurality of anode blocks and the plurality of pixel electrode blocks being in the same layer and alternately and electrically insulated from each other.
  • the display panel is divided into a plurality of pixel regions, and the light emitting layer of the organic electroluminescent device structure includes a plurality of light emitting blocks that emit light of at least two colors, and each of the light emitting blocks is disposed at Corresponding to a partial region of a pixel region, the color film layer of the liquid crystal display device structure includes a plurality of color film blocks, each color film block being disposed in a corresponding one of the pixel regions, and the The light-emitting blocks are arranged in different layers and have the same color.
  • the orthographic projection of the color film block on the liquid crystal layer and the orthographic projection of the light block on the liquid crystal layer do not substantially overlap each other.
  • the common electrode is formed using a transparent conductive material.
  • the display panel further includes a gate line and a data line disposed at a cross
  • the control unit layer includes a plurality of first thin film transistors and a plurality of second thin film transistors disposed in the same layer, and each of the first thin film transistors corresponds to a gate of each of the first thin film transistors and a gate of a corresponding one of the second thin film transistors are connected to a corresponding one of the gate lines, a source of each of the first thin film transistors And a source of the corresponding one of the second thin film transistors is connected to a different one of the data lines, a drain of the first thin film transistor is connected to the anode, and a drain of the second thin film transistor is opposite to the pixel Electrode connection.
  • the display panel is divided into a plurality of pixel regions, each pixel region is provided with a pixel structure, and adjacent pixel regions are respectively provided with three primary color pixel structures capable of emitting white light, and the three The primary color pixel structure constitutes a pixel unit.
  • the present disclosure provides a display device including the above display panel.
  • the present disclosure provides a driving method of a display panel including a control unit layer, an organic electroluminescent device structure, and a liquid crystal display device structure, the control unit layer and the organic electroluminescence respectively
  • the device structure is electrically connected to the liquid crystal display device structure, and a cathode of the organic electroluminescent device structure is shared with a pixel electrode of the liquid crystal display device structure.
  • the method includes: determining whether the ambient light intensity is greater than a threshold; and when determining that the ambient light intensity is greater than the threshold, driving the organic electroluminescent device structure to emit light through the control unit layer, and driving the liquid crystal display The device structure does not emit light; when it is determined that the ambient light intensity is not greater than the threshold, the liquid crystal display device structure is driven to emit light by the control unit layer, and the organic electroluminescent device structure is driven to emit no light.
  • FIG. 1 is a schematic structural view of a display panel integrated with an OutCell method of a conventional liquid crystal display device and an organic electroluminescence device;
  • FIG. 2 is a schematic structural view of a display panel in an embodiment of the present disclosure
  • FIG. 3 is a schematic structural diagram of a display panel in an embodiment of the present disclosure.
  • the term "opening region” refers to a region of light transmissive in a pixel structure, where the pixel structure may refer to a sub-pixel.
  • the term “same layer setting” means that it is set by the same patterning process, using the same mask, and/or set to be at substantially the same level.
  • the term “shared” means that the functions of two functional components are implemented by one physical component. For example, the function of the cathode of the OLED and the pixel electrode of the LCD is achieved by one electrode.
  • FIG. 1 shows a partial cross-sectional view of a conventional display panel incorporating a bottom emission white OLED and a reflective LCD.
  • a liquid crystal display device structure 5 is directly formed over the organic electroluminescent device structure 3 with a passivation layer (PVX) 4 interposed therebetween.
  • PVX passivation layer
  • the reflective electrode 6 and the transmissive electrode 7 of the organic electroluminescent device structure are formed over the control unit layer 2 including the thin film transistor; at the same time, the passivation layer via 41 is opened in the passivation layer 4, thereby using one
  • the group control circuit can realize the control of the transflective structure.
  • the material filled in the passivation layer via 41 is connected downward to the transmissive electrode 7 located in the open region, a voltage is applied to the organic electroluminescent device structure 3 to emit light, and is connected upward to the reflective electrode 6 located in the open region,
  • the liquid crystal display device structure 5 applies a voltage to align the liquid crystal.
  • the reflective electrode 6 occupies the pixel opening area (ie, occupies the area of the pixel transparent area)
  • the pixel aperture ratio is lowered and the brightness is low; therefore, in order to achieve the same display brightness, it is necessary to increase the driving voltage. This leads to increased power consumption and complicated process technology.
  • the present disclosure provides, in particular, a display panel that at least partially solves the problems of high power consumption, complicated process, low pixel aperture ratio, and low brightness in the prior art liquid crystal display and organic electro illuminator display integration. problem.
  • Embodiments of the present disclosure provide a display panel that integrates a reflective LCD display module in an In Cell manner under the condition of having an OLED display module, that is, by integrating an LCD display module into an OLED box.
  • the same display panel includes both an OLED display module and a reflective LCD display module.
  • the display panel structure is simpler and more compact, and the aperture ratio of the display panel is improved, thereby obtaining low power consumption and high painting. Quality display device.
  • the display panel includes a plurality of pixel regions surrounded by intersecting gate lines and data lines. As shown in FIG. 2, the display panel includes a control unit layer 2, an organic electroluminescent device structure 3, and a liquid crystal display device structure 5 which are sequentially stacked upward, and the control unit layer 2 and the organic electroluminescent device structure 3 and the liquid crystal display, respectively.
  • the device structure 5 is electrically connected such that it is possible to automatically select which display structure of the organic electroluminescent device structure 3 and the liquid crystal display device structure 5 is used for display in accordance with the intensity of the ambient light in the display panel.
  • each pixel region of the display panel is provided with a pixel structure, wherein each pixel structure includes a portion of the control unit layer 2, a portion of the organic electroluminescent device structure 3, and a portion of the liquid crystal display device structure 5.
  • the control unit layer 2 includes a plurality of control units such as thin film transistors
  • the organic electroluminescent device structure 3 includes a plurality of organic electroluminescent devices
  • the liquid crystal display device structure 5 includes a plurality of liquid crystal display devices
  • each pixel structure is at least A control unit, an organic electroluminescent device and a liquid crystal display device are included.
  • the electrode of the organic electroluminescent device structure 3 is at least partially shared with the electrode of the liquid crystal display device structure 5.
  • the cathode 33 of the organic electroluminescent device structure 3 is also shared as the pixel electrode 54 of the liquid crystal display device structure 5, and the pixel electrode 54 is simultaneously the optical reflective electrode 6 to increase the display brightness of the pixel structure.
  • the display panel shares the layer structure of different display modules, simplifies the structure of the display panel, and has high aperture ratio and high brightness.
  • the organic electroluminescent device structure 3 includes at least an anode 31, a cathode 33, and a light-emitting layer 32 between the anode 31 and the cathode 33.
  • the liquid crystal display device structure 5 includes at least a color film layer 52 and an array substrate (ie, The layer structure of the control unit layer 2 including the thin film transistor, the pixel electrode 54, the common electrode 53, and the liquid crystal layer 51 between the pixel electrode 54 and the common electrode 53.
  • the cathode 33 of the organic electroluminescent device structure 3 is also at least shared as the pixel electrode 54 of the liquid crystal display device structure 5, that is, it is also shared as the reflective electrode 6, thereby simplifying the preparation process while also simplifying the preparation process Can effectively increase the display brightness of the pixel structure.
  • the display panel forms a dual mode display through the common structure of the OLED and the LCD, and greatly improves the display brightness by the reflective method, thereby effectively increasing the brightness.
  • the display panel is supported by the first substrate 1 and the second substrate 8, and the anode 31, the light-emitting layer 32, and the cathode 33 in the organic electroluminescent device structure 3 are sequentially arranged in the vertical direction (for example, in FIG. 2
  • the pixel electrode 54, the liquid crystal layer 51, the common electrode 53, and the color filter layer 52 are sequentially arranged in the vertical direction (for example, from bottom to top in FIG. 2), and organic electro The cathode 33 of the light emitting device structure 3 is shared with the pixel electrode 54 of the liquid crystal display device structure 5.
  • the liquid crystal layer 51, the common electrode 53, and the color filter layer 52 of the liquid crystal display device structure 5 are sequentially disposed in a direction away from the cathode 33 on the side of the cathode 33 which is the pixel electrode 54 away from the light-emitting layer 32.
  • the passivation layer 4 PVX
  • the cathode 33 is disposed above the light emitting layer 32, below the passivation layer 4, and the cathode 33 and the pixel electrode 54. Share.
  • the pixel electrode 54 is formed of a conductive material having a reflective property to simultaneously serve as the optical reflective electrode 6.
  • the pixel electrode 54 is shared with the cathode 33. It can be seen that compared with the display panel integrated structure in FIG. 1, the opening process of the passivation layer 4 and the preparation process of the reflective electrode 6 are saved, and the passivation layer 4 can effectively protect the OLED.
  • the luminescent material prevents moisture and oxygen from entering; and the aperture ratio of the display panel is increased and the brightness is increased.
  • the organic electroluminescent device structure 3 is a white light device, that is, the light emitting layer 32 in the organic electroluminescent device structure 3 emits white light;
  • the color film layer includes a plurality of color film blocks 521, each color The film block is disposed in a corresponding one of the pixel regions and spreads over the entire pixel region.
  • the display panel structure in which the white OLED is matched with the LCD has the largest aperture ratio, which is close to 100%, since the entire pixel area is an effective display area.
  • the control unit layer 2 includes a plurality of first thin film transistors and a plurality of second thin film transistors disposed in the same layer, each of the first thin film transistors corresponding to a second thin film transistor, and a gate of each of the first thin film transistors a gate of a second thin film transistor is connected to a corresponding one of the gate lines, and a source of each of the first thin film transistors and a source of the corresponding one of the second thin film transistors are connected to different data lines, and the drain of the first thin film transistor The pole is connected to the anode 31 of the organic electroluminescent device structure 3, and the drain of the second thin film transistor is connected to the pixel electrode 54 of the liquid crystal display device structure 5. Display control in different environments of a certain pixel region is realized by the first thin film transistor and the second thin film transistor.
  • the display panel works by first determining the ambient light intensity, and if the ambient light intensity is high, applying a gray scale signal for display to the cathode 33, that is, the pixel electrode 54, controlling the display of the LCD display device; The anode signal of the device is matched to the cathode signal so that the OLED display device does not emit light.
  • a direct current signal is applied to the cathode 33, that is, the pixel electrode 54, and the common electrode signal of the LCD display device is matched thereto so as not to be displayed; and the gradation signal is applied to the anode 31 of the OLED display device to make the OLED display device normal display.
  • external ambient light can be utilized to adopt different display modes in different environments, for example, when the OLED display device performs display and the ambient light intensity is relatively high, the reflection of the ambient light by the reflective electrode is improved.
  • the display brightness can efficiently utilize the OLED display device itself to emit light, which can reduce power consumption, compared to the top transmission mode using only the OLED display device.
  • three adjacent primary pixel regions are respectively provided with three primary color pixel structures capable of forming white light (for example, sub-pixels including red, green, and blue).
  • the three primary color pixel structures form a pixel unit.
  • the pixel unit is formed by a three-primary pixel structure to ensure a good display effect.
  • the passivation layer via process and the separate preparation of the reflective electrode are saved, so that the display panel structure is more Compact, it can effectively improve the aperture ratio and obtain low-power, high-quality display devices.
  • FIG. 3 illustrates a partial cross-sectional view of a display panel in accordance with an embodiment of the present disclosure.
  • the main difference between the display panel shown in FIG. 3 and the display panel shown in FIG. 2 is that the cathode 33 of the organic electroluminescent device structure is shared by the common electrode 53 of the liquid crystal display device structure, and the organic electroluminescent device is a color light-emitting device. .
  • the display panel includes a plurality of pixel regions surrounded by intersecting gate lines and data lines. As shown in FIG. 3, the display panel includes a control unit layer 2, an organic electroluminescent device structure, and a liquid crystal display device structure.
  • the control unit layer 2 is electrically connected to the organic electroluminescent device structure and the liquid crystal display device structure, respectively. In the display panel, it is possible to automatically select which display structure in the organic electroluminescent device structure and the liquid crystal display device structure is used for display according to the intensity of the ambient light.
  • the electrode of the organic electroluminescent device structure is at least partially shared with the electrode of the liquid crystal display device structure.
  • the organic electroluminescent device structure includes at least an anode 31, a cathode 33, and a light-emitting layer 32 between the anode 31 and the cathode 33.
  • the liquid crystal display device includes at least a color film layer 52 and an array substrate (ie, including a thin film).
  • the display panel shares the layer structure of different display modules, simplifies the structure of the display panel, and has a high aperture ratio, thereby simplifying the preparation process and effectively increasing the display brightness of the pixel structure.
  • the display panel forms a dual mode display through the common structure of the OLED and the LCD described above, and greatly improves the display brightness by a reflective method. Effectively increase the brightness.
  • the anode 31, the light-emitting layer 32, and the cathode 33 are sequentially disposed in the vertical direction (for example, from bottom to top in FIG. 3), and the pixel electrode 54 and the common electrode in the liquid crystal display device structure. 53.
  • the liquid crystal layer 51 and the color filter layer 52 are sequentially disposed in the vertical direction (for example, from bottom to top in FIG. 3), and the cathode 33 and the common electrode 53 are shared.
  • the light-emitting layer 32 and the anode 31 of the organic electroluminescent device structure are sequentially disposed in a direction away from the cathode 33 on the side of the cathode 33 remote from the liquid crystal layer 51.
  • a passivation layer 4 is provided between the liquid crystal layer 51 and the common electrode 53/cathode 33.
  • the anode 31 includes a plurality of anode blocks
  • the pixel electrode 54 includes a plurality of pixel electrode blocks, the plurality of anode blocks and the plurality of pixel electrode blocks being in the same layer and alternately disposed with each other on the control unit layer 2 including the thin film transistor
  • the common electrode 53 and the cathode 33 are shared and disposed above the light-emitting layer 32.
  • the luminescent layer 32 in the organic electroluminescent device structure in the display panel emits colored light, and the different colors of light in the colored light are naturally mixed to form white light as seen by the human eye.
  • the light-emitting layer 32 of the organic electroluminescent device structure includes a plurality of light-emitting blocks that emit light of at least two colors, each of which is disposed in a partial region of a corresponding one of the pixel regions, and a color film layer of the liquid crystal display device structure A plurality of color film blocks 521 are disposed, each of the color film blocks is disposed in a corresponding one of the pixel regions, and is disposed in a different layer from the light-emitting blocks in the pixel region and has the same color, the area of the color film block 521 and the organic electroluminescence The area of the light-emitting block in the device structure is complementary in the pixel region, filling the entire pixel region.
  • the orthographic projection of the color film block 521 on the liquid crystal layer 51 and the orthographic projection of the light-emitting block on the liquid crystal layer 51 do not substantially overlap each other.
  • the matching structure of the color OLED display device and the LCD display device ie, a two-layer colorized layer structure
  • the anode 31 of the OLED display device is the transmissive electrode 7
  • the pixel electrode 54 is the reflective electrode 6
  • the cathode 33 is shared as the common electrode 53.
  • Each of the pixel regions may include an anode block and a pixel electrode block adjacent to each other, and the anode block and the pixel electrode block are disposed apart from each other in the pixel region, that is, the pixel electrode 54 is electrically connected to the anode 31 to ensure the LCD display device.
  • the pixel electrode 54 is correspondingly disposed (in other words, in one pixel region, the projection of the light-emitting block and the pixel electrode The projections do not overlap each other), and the display and brightness enhancement of the entire pixel area are realized by the pixel electrode 54, that is, the reflective electrode 6.
  • the pixel electrode 54 is formed of a conductive material having a reflective property to simultaneously serve as the optical reflective electrode 6.
  • the common electrode 53 is formed of a conductive material of a transparent nature to satisfy the effect of transmission.
  • the display panel operates on the principle that the cathode 33 of the OLED display device structure is shared with the common electrode 53 of the LCD display device structure, and the anode 31 and the pixel electrode 54 are disposed separately, thus on the cathode 33/common electrode 53.
  • the DC signal is applied to simultaneously match the signals applied to the anode 31 of the OLED display device structure and the pixel electrode 54 of the LCD display device structure, so that both the OLED display device and the LCD display device are normally displayed.
  • the pixel electrode 54 is the structural design of the reflective electrode 6, thereby increasing the pixel aperture ratio, compared to using only the OLED.
  • the top transmission mode of the display device can efficiently utilize the OLED display device to emit light, which can reduce power consumption.
  • the top-emission full-color OLED+reflective LCD the cathode is shared with the common electrode, and a low-power, high-quality display device is obtained.
  • the present disclosure provides a display device including the above display panel.
  • the display device in the embodiment of the present disclosure may be any product or component having a display function such as an electronic paper, a mobile phone, a tablet computer, a television, a notebook computer, a digital photo frame, a navigator, and the like.

Abstract

一种显示面板、显示装置和驱动显示面板的方法。显示面板，包括控制单元层（2）、有机电致发光器件结构（3）和液晶显示器件结构（5），其中，控制单元层（2）分别与有机电致发光器件结构（3）和液晶显示器件结构（5）电连接，有机电致发光器件结构（3）的电极与液晶显示器件结构（5）的电极至少部分共用。

Description

显示面板、显示装置和驱动显示面板的方法
相关申请的交叉引用
本申请要求于2017年4月17日提交至中国知识产权局的中国专利申请No.201710249127.0的优先权，其全部内容以引用的方式合并于此。
技术领域
本申请属于显示技术领域，具体涉及一种显示面板、显示装置和驱动显示面板的方法。
背景技术
随着显示技术的发展，液晶显示(Liquid Crystal Display：简称LCD)和有机电致发光器显示(Organic Light-Emitting Diode：简称OLED)已经成为目前平板显示的主流方式。液晶显示具有无辐射、能耗小、无视觉变形等优点，有机电致发光器件具有自发光、响应速度快、宽视角等优点。
为了降低功耗，目前已经出现了将柔性底发射式OLED与反射式LCD以Out Cell方式集成在一起的方案，通常情况下反射电极单独制备并独立成层。这种集成结构，反射电极占用像素开口区，用于实现相同显示亮度的功耗较高，工艺制程复杂。
发明内容
一方面，本申请提供了一种显示面板，包括控制单元层、有机电致发光器件结构和液晶显示器件结构，其中，所述控制单元层分别与所述有机电致发光器件结构和所述液晶显示器件结构电连接，所述有机电致发光器件结构的电极与所述液晶显示器件结构的电极至少部分共用。
可选地，所述有机电致发光器件结构至少包括阳极、阴极以及位于所述阳极和所述阴极之间的发光层，所述液晶显示器件结构至少包括像素电极、公共电极、液晶层和彩膜层；所述有机电致发光器件结构的阴极共用为所述液晶显示器件结构的所述像素电极或所述公共电极。
可选地，所述有机电致发光器件结构的所述阳极、所述发光层和所述阴极在竖直方向上依次设置，所述阴极共用为所述像素电极，所述液晶显示器件结构的所述液晶层、所述公共电极和所述彩膜层在所述阴极的远离所述发光层的一侧沿着远离所述阴极的方向依次设置。
可选地，所述显示面板还包括设置在所述有机电致发光器件结构和所述液晶显示器件结构之间的钝化层，其设置在所述阴极与所述液晶层之间。
可选地，所述像素电极采用反射性导电材料形成。
可选地，所述显示面板被划分为多个像素区，所述有机电致发光器件结构的所述发光层发射白光，所述彩膜层包括多个彩膜块，每个彩膜块设置在相应的一个像素区中，并且遍布该所述像素区。
可选地，所述阴极共用为所述公共电极，所述像素电极、所述阴极、所述液晶层、所述彩膜层在竖直方向上依次设置，所述有机电致发光器件结构的所述发光层和所述阳极在所述阴极的远离所述液晶层的一侧沿着远离所述阴极的方向依次设置。
可选地，所述阳极包括多个阳极块，所述像素电极包括多个像素电极块，所述多个阳极块和所述多个像素电极块同层且彼此交替且彼此电绝缘地设置。
可选地，所述显示面板被划分为多个像素区，所述有机电致发光器件结构的所述发光层包括多个发光块，其发射至少两种颜色的光，每个发光块设置在相应的一个像素区的局部区域，所述液晶显示器件结构的所述彩膜层包括多个彩膜块，每个彩膜块设置在相应的一个像素区中，与该像素区中的所述发光块不同层设 置且具有相同颜色。
可选地，在每个像素区中，彩膜块在所述液晶层上的正投影与该发光块在所述液晶层上的正投影彼此实质上不重叠。
可选地，所述公共电极采用透明的导电材料形成。
可选地，所述显示面板还包括交叉设置的栅线和数据线，所述控制单元层包括同层设置的多个第一薄膜晶体管和多个第二薄膜晶体管，每个第一薄膜晶体管对应于一个第二薄膜晶体管，每个所述第一薄膜晶体管的栅极与对应的一个第二薄膜晶体管的栅极与相应的一条所述栅线连接，每个所述第一薄膜晶体管的源极与对应的一个所述第二薄膜晶体管的源极与不同的所述数据线连接，所述第一薄膜晶体管的漏极与所述阳极连接，所述第二薄膜晶体管的漏极与所述像素电极连接。
可选地，所述显示面板被划分为多个像素区，每个像素区内设置有一个像素结构，相邻的所述像素区内分别设置有能发出白光的三基色像素结构，所述三基色像素结构构成像素单元。
另一方面，本公开提供了一种显示装置，其包括上述显示面板。
另一方面，本公开提供了一种显示面板的驱动方法，所述显示面板包括控制单元层、有机电致发光器件结构和液晶显示器件结构，所述控制单元层分别与所述有机电致发光器件结构和所述液晶显示器件结构电连接，所述有机电致发光器件结构的阴极与所述液晶显示器件结构的像素电极共用。所述方法包括：判断环境光强度是否大于阈值；当判断出所述环境光强度大于所述阈值时，通过所述控制单元层驱动所述有机电致发光器件结构发光，并且驱动所述液晶显示器件结构不发光；当判断出所述环境光强度不大于所述阈值时，通过所述控制单元层驱动所述液晶显示器件结构发光，并且驱动所述有机电致发光器件结构不发光。
附图说明
图1为传统的液晶显示器件和有机电致发光器件以OutCell 方式集成的显示面板的结构示意图；
图2为本公开的实施例中显示面板的结构示意图；
图3为本公开的实施例中显示面板的结构示意图。
具体实施方式
为使本领域技术人员更好地理解本公开的技术方案，下面结合附图和具体实施方式对本公开显示面板作进一步详细描述。
在本文中，术语“开口区”是指，一个像素结构中的能够透光的区域，此处的像素结构可以指子像素。术语“同层设置”是指，通过相同的构图工艺、利用相同的掩模而设置，以及/或者设置为处于基本上相同的水平高度。术语“共用”是指，由一个物理部件实现两种功能部件的功能。例如，通过一个电极实现OLED的阴极和LCD的像素电极的功能。
图1示出了现有的集成了底发射式白光OLED和反射式LCD的显示面板的部分剖面图。参照图1，在该显示面板中，将液晶显示器件结构5直接制作在有机电致发光器件结构3上方，中间以钝化层(PVX)4间隔。该结构中，将反射电极6和有机电致发光器件结构的透射电极7制作在包括有薄膜晶体管的控制单元层2上方；同时在钝化层4中开设钝化层过孔41，从而用一组控制电路即可实现对半反半透结构的控制。在钝化层过孔41中填充的材料向下连接到位于开口区的透射电极7，向有机电致发光器件结构3施加电压使其发光，并且向上连接到位于开口区的反射电极6，向液晶显示器件结构5施加电压使液晶取向。在这种集成结构中，由于反射电极6要占用像素开口区(即占用像素透光区的面积)，导致像素开口率降低，亮度低；因此，为了达到相同的显示亮度，需要提高驱动电压，导致功耗增高，而且工艺制程复杂。
为此，本公开特别提供了一种显示面板，其至少部分解决了现有技术中的液晶显示和有机电致发光器显示集成时功耗高，工艺制程复杂，像素开口率低，亮度低的问题。
本公开的实施例提供一种显示面板，该显示面板在具有OLED 显示模组的条件下，以In Cell的方式集成反射式LCD显示模组，即通过将LCD显示模组集成于OLED盒内，使得同一显示面板既包括OLED显示模组也包括反射式LCD显示模组，在减少工艺的情况下，使得显示面板结构更简单和紧凑，改善显示面板的开口率，从而获得低功耗、高画质的显示器件。
在一些实施例中，显示面板包括由交叉设置的栅线和数据线围成的多个像素区。如图2所示，该显示面板包括依次向上层叠设置的控制单元层2、有机电致发光器件结构3和液晶显示器件结构5，控制单元层2分别与有机电致发光器件结构3和液晶显示器件结构5电连接，使得在该显示面板中能够根据环境光的强度不同，自动选择采用有机电致发光器件结构3和液晶显示器件结构5中的哪种显示结构进行显示。在一个示例中，显示面板的每一像素区内均设置有像素结构，其中每一像素结构均包括控制单元层2的一部分、有机电致发光器件结构3的一部分和液晶显示器件结构5的一部分。例如，控制单元层2包括诸如薄膜晶体管的多个控制单元，有机电致发光器件结构3包括多个有机电致发光器件，液晶显示器件结构5包括多个液晶显示器件，并且每个像素结构至少包括一个控制单元、一个有机电致发光器件和一个液晶显示器件。有机电致发光器件结构3的电极与液晶显示器件结构5的电极至少部分共用。在一些实施例中，有机电致发光器件结构3的阴极33还共用为液晶显示器件结构5的像素电极54，像素电极54同时为光学上的反射电极6，以增大像素结构的显示亮度。该显示面板将不同显示模组的层结构共用，简化了显示面板结构，而且开口率高，亮度高。
在一些实施例中，有机电致发光器件结构3至少包括阳极31、阴极33以及位于阳极31和阴极33之间的发光层32，液晶显示器件结构5至少包括彩膜层52、阵列基板(即包括有薄膜晶体管的控制单元层2的层结构)、像素电极54、公共电极53以及位于像素电极54和公共电极53之间的液晶层51。在本公开的实施例中，由于有机电致发光器件结构3的阴极33还至少共用为液晶显示器 件结构5的像素电极54，即还共用为反射电极6，从而在简化制备工艺的同时，还能有效增大像素结构的显示亮度。该显示面板通过上述OLED和LCD的共用结构形成双模式显示，并通过反射(Reflective)方式极大的提高了显示亮度，有效增大亮度。
图2中，显示面板以第一基板1和第二基板8作为支撑，有机电致发光器件结构3中阳极31、发光层32、阴极33在竖直方向上依次(例如，图2中的由下至上)设置，液晶显示器件结构5中像素电极54、液晶层51、公共电极53和彩膜层52在竖直方向上依次(例如，图2中的由下至上)设置，且有机电致发光器件结构3的阴极33和液晶显示器件结构5的像素电极54共用。换言之，液晶显示器件结构5的液晶层51、公共电极53和彩膜层52在共用为像素电极54的阴极33远离发光层32的一侧沿着远离阴极33的方向依次设置。其中，钝化层4(PVX)设置于有机电致发光器件结构3和液晶显示器件结构5之间，阴极33设置于发光层32的上方、钝化层4的下方，阴极33和像素电极54共用。
作为反射式液晶显示器件结构5，其中的像素电极54采用具有反射性质的导电材料形成，以同时作为光学上的反射电极6。图2中像素电极54与阴极33共用，可见，相比图1中的显示面板集成结构，节省钝化层4的开口工艺和反射电极6的制备工艺，钝化层4能有效保护OLED中的发光材料，避免水汽和氧气进入；而且显示面板的开口率提升，亮度提高。
本公开的实施例的显示面板，有机电致发光器件结构3为白光器件，即有机电致发光器件结构3中的发光层32发射白光；彩膜层包括多个彩膜块521，每个彩膜块设置在相应的一个像素区中，并且遍布整个像素区。这种白光OLED与LCD匹配的显示面板结构，由于整个像素区都是有效显示区，故开口率最大，接近100％。
其中，控制单元层2包括同层设置的多个第一薄膜晶体管和多个第二薄膜晶体管，每个第一薄膜晶体管对应于一个第二薄膜晶体管，每个第一薄膜晶体管的栅极与对应的一个第二薄膜晶体管的栅极与相应的一条栅线连接，每个第一薄膜晶体管的源极与 对应的一个第二薄膜晶体管的源极与不同的数据线连接，第一薄膜晶体管的漏极与有机电致发光器件结构3的阳极31连接，第二薄膜晶体管的漏极与液晶显示器件结构5的像素电极54连接。通过第一薄膜晶体管和第二薄膜晶体管实现某一像素区的不同环境下的显示控制。
一些实施例中，该显示面板的工作原理为：先判断环境光强，如果环境光强高，则向阴极33即像素电极54施加显示用的灰度信号，控制LCD显示器件的显示；OLED显示器件的阳极信号与阴极信号匹配，使OLED显示器件不发光。当环境光强弱时，向阴极33即像素电极54施加直流信号，LCD显示器件的公共电极信号与其匹配，使其不显示；向OLED显示器件的阳极31施加显示灰度信号，使OLED显示器件正常显示。
在一些实施例中，可以利用外部环境光，在不同环境下采用不同的显示模式，例如在OLED显示器件进行显示、并且环境光强相对较高的条件下，利用反射电极对环境光的反射提升显示亮度，相对于仅采用OLED显示器件的顶透射模式，能高效利用OLED显示器件自身发光，可以降低功耗。
容易理解的是，通过彩膜块521的彩色化效果，相邻的多个像素区内，分别设置有能形成白光的三基色像素结构(例如，包括红色、绿色、蓝色的子像素)，三基色像素结构形成像素单元。由三基色像素结构形成像素单元，保证良好的显示效果。
在本公开的实施例中的显示面板中，通过顶发射式白光OLED+反射式LCD的集成和电极共用，节省了钝化层过孔工艺和单独制备反射电极的两道工艺，使得显示面板结构更紧凑，能有效改善开口率，获得低功耗、高画质的显示器件。
图3示出了根据本公开的实施例的显示面板的部分剖视图。图3所示的显示面板与图2所示的显示面板的主要区别在于，有机电致发光器件结构的阴极33共用为液晶显示器件结构的公共电极53，以及有机电致发光器件为彩光器件。
在一些实施例中，显示面板包括由交叉设置的栅线和数据线 围成的多个像素区。如图3所示，该显示面板包括控制单元层2、有机电致发光器件结构和液晶显示器件结构，控制单元层2分别与有机电致发光器件结构和液晶显示器件结构电连接，使得在该显示面板中能够根据环境光的强度不同，自动选择采用有机电致发光器件结构和液晶显示器件结构中的哪种显示结构进行显示。有机电致发光器件结构的电极与液晶显示器件结构的电极至少部分共用。
在一些实施例中，有机电致发光器件结构至少包括阳极31、阴极33以及位于阳极31和阴极33之间的发光层32，液晶显示器件至少包括彩膜层52、阵列基板(即包括有薄膜晶体管的控制单元层2的层结构)、像素电极54、公共电极53以及液晶层51。参照图3，该显示面板中的有机电致发光器件结构的阴极33还共用为液晶显示器件结构的公共电极53，像素电极54还共用为光学上的反射电极6。该显示面板将不同显示模组的层结构共用，简化了显示面板结构，而且开口率高，从而在简化制备工艺的同时，还能有效增大像素结构的显示亮度。该显示面板通过上述OLED和LCD的共用结构形成双模式显示，并通过反射(Reflective)方式极大的提高了显示亮度。有效增大亮度。
图3中，有机电致发光器件结构中阳极31、发光层32和阴极33在竖直方向上依次(例如，图3中的由下至上)设置，液晶显示器件结构中像素电极54、公共电极53、液晶层51、彩膜层52在竖直方向上依次(例如，图3中的由下至上)设置，且阴极33和公共电极53共用。换言之，有机电致发光器件结构的发光层32和阳极31在阴极33的远离液晶层51的一侧沿着远离阴极33的方向依次设置。液晶层51和公共电极53/阴极33之间设置有钝化层4。在一些实施例中，阳极31包括多个阳极块，像素电极54包括多个像素电极块，多个阳极块和多个像素电极块同层且彼此交替地设置于包括薄膜晶体管的控制单元层2的上方、发光层32的下方，公共电极53和阴极33共用且设置于发光层32的上方。
在一些实施例中，该显示面板中有机电致发光器件结构中的 发光层32发射彩光，彩光中不同颜色的光自然混合形成人眼所见的白光。例如，有机电致发光器件结构的发光层32包括多个发光块，其发射至少两种颜色的光，每个发光块设置在相应的一个像素区的局部区域，液晶显示器件结构的彩膜层包括多个彩膜块521，每个彩膜块设置在相应的一个像素区中，与该像素区中的发光块不同层设置且具有相同颜色，该彩膜块521的面积和有机电致发光器件结构中的发光块的面积在该像素区内互补，充满整个像素区。换言之，该彩膜块521在液晶层51上的正投影与该发光块在液晶层51上的正投影彼此基本不重叠。这种彩光OLED显示器件与LCD显示器件的匹配结构(即，双层彩色化层结构)，提升色彩和亮度，并保持较大开口率。
图3中，OLED显示器件的阳极31即透射电极7，像素电极54即反射电极6，阴极33共用为公共电极53。每个像素区可包括彼此邻近的一个阳极块和一个像素电极块，该阳极块和该像素电极块在该像素区内相离设置，即像素电极54与阳极31无电连接，保证LCD显示器件和OLED显示器件的驱动电压分别供给；而且，在每个像素区的未设置彩色发光块的区域下方，对应设置有像素电极54(换言之，在一个像素区中，发光块的投影与像素电极的投影彼此不重叠)，通过像素电极54即反射电极6实现整个像素区的显示和亮度提升。
作为反射式液晶显示器件结构，其中的像素电极54采用具有反射性质的导电材料形成，以同时作为光学上的反射电极6。公共电极53采用透明性质的导电材料形成，满足透射的效果。
在一些实施例中，该显示面板的工作原理为：OLED显示器件结构的阴极33与LCD显示器件结构的公共电极53共用，阳极31和像素电极54分离设置，因此在阴极33/公共电极53上施加一直流信号，可同时匹配施加在OLED显示器件结构的阳极31和LCD显示器件结构的像素电极54上的信号，使OLED显示器件和LCD显示器件均正常显示。
该显示面板中，环境光强高时利用反射电极对环境光的反射 提升显示亮度，降低功耗；同时还通过像素电极54即反射电极6的结构设计，增加像素开口率，相对于仅采用OLED显示器件的顶透射模式，能高效利用OLED显示器件自身发光，可以降低功耗。
在本公开的实施例中的显示面板中，顶发射式全彩OLED+反射式LCD，阴极与公共电极共用，获得低功耗、高画质的显示器件。
另一方面，本公开提供了一种显示装置，其包括上述显示面板。本公开的实施例中的显示装置可以为：电子纸、手机、平板电脑、电视机、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。
可以理解的是，以上实施方式仅仅是为了说明本公开的原理而采用的示例性实施方式，然而本公开并不局限于此。对于本领域内的普通技术人员而言，在不脱离本公开的精神和实质的情况下，可以做出各种变型和改进，这些变型和改进也视为本公开的保护范围。

Claims (15)

  1. 一种显示面板，包括控制单元层、有机电致发光器件结构和液晶显示器件结构，其中，所述控制单元层分别与所述有机电致发光器件结构和所述液晶显示器件结构电连接，所述有机电致发光器件结构的电极与所述液晶显示器件结构的电极至少部分共用。
  2. 根据权利要求1所述的显示面板，其中，所述有机电致发光器件结构至少包括阳极、阴极以及位于所述阳极和所述阴极之间的发光层，所述液晶显示器件结构至少包括像素电极、公共电极、液晶层和彩膜层；所述有机电致发光器件结构的阴极共用为所述液晶显示器件结构的所述像素电极或所述公共电极。
  3. 根据权利要求2所述的显示面板，其中，所述有机电致发光器件结构的所述阳极、所述发光层和所述阴极在竖直方向上依次设置，所述阴极共用为所述像素电极，所述液晶显示器件结构的所述液晶层、所述公共电极和所述彩膜层在所述阴极的远离所述发光层的一侧沿着远离所述阴极的方向依次设置。
  4. 根据权利要求3所述的显示面板，还包括设置在所述有机电致发光器件结构和所述液晶显示器件结构之间的钝化层，其设置在所述阴极与所述液晶层之间。
  5. 根据权利要求3所述的显示面板，其中，所述像素电极采用反射性导电材料形成。
  6. 根据权利要求3所述的显示面板，其中，所述显示面板被划分为多个像素区，所述有机电致发光器件结构的所述发光层发射白光，所述彩膜层包括多个彩膜块，每个彩膜块设置在相应的 一个像素区中，并且遍布该所述像素区。
  7. 根据权利要求2所述的显示面板，其中，所述阴极共用为所述公共电极，所述像素电极、所述阴极、所述液晶层、所述彩膜层在竖直方向上依次设置，所述有机电致发光器件结构的所述发光层和所述阳极在所述阴极的远离所述液晶层的一侧沿着远离所述阴极的方向依次设置。
  8. 根据权利要求7所述的显示面板，其中，所述阳极包括多个阳极块，所述像素电极包括多个像素电极块，所述多个阳极块和所述多个像素电极块同层且彼此交替且彼此电绝缘地设置。
  9. 根据权利要求7所述的显示面板，其中，所述显示面板被划分为多个像素区，所述有机电致发光器件结构的所述发光层包括多个发光块，其发射至少两种颜色的光，每个发光块设置在相应的一个像素区的局部区域，所述液晶显示器件结构的所述彩膜层包括多个彩膜块，每个彩膜块设置在相应的一个像素区中，与该像素区中的所述发光块不同层设置且具有相同颜色。
  10. 根据权利要求9所述的显示面板，其中，在每个像素区中，彩膜块在所述液晶层上的正投影与在该像素区中的发光块在所述液晶层上的正投影彼此实质上不重叠。
  11. 根据权利要求7所述的显示面板，其中，所述公共电极采用透明的导电材料形成。
  12. 根据权利要求2-11任一项所述的显示面板，还包括交叉设置的栅线和数据线，所述控制单元层包括同层设置的多个第一薄膜晶体管和多个第二薄膜晶体管，每个第一薄膜晶体管对应于一个第二薄膜晶体管，每个所述第一薄膜晶体管的栅极与对应的 一个第二薄膜晶体管的栅极与相应的一条所述栅线连接，每个所述第一薄膜晶体管的源极与对应的一个所述第二薄膜晶体管的源极与不同的所述数据线连接，所述第一薄膜晶体管的漏极与所述阳极连接，所述第二薄膜晶体管的漏极与所述像素电极连接。
  13. 根据权利要求1-12任一项所述的显示面板，其中，所述显示面板被划分为多个像素区，每个像素区内设置有一个像素结构，相邻的所述像素区内分别设置有能发出白光的三基色像素结构，所述三基色像素结构构成像素单元。
  14. 一种显示装置，其包括根据权利要求1-13任一项所述的显示面板。
  15. 一种驱动显示面板的方法，所述显示面板包括控制单元层、有机电致发光器件结构和液晶显示器件结构，所述控制单元层分别与所述有机电致发光器件结构和所述液晶显示器件结构电连接，所述有机电致发光器件结构的阴极与所述液晶显示器件结构的像素电极共用，所述方法包括：
    判断环境光强度是否大于阈值；
    当判断出所述环境光强度不大于所述阈值时，通过所述控制单元层驱动所述有机电致发光器件结构发光，并且驱动所述液晶显示器件结构不发光；
    当判断出所述环境光强度大于所述阈值时，通过所述控制单元层驱动所述液晶显示器件结构发光，并且驱动所述有机电致发光器件结构不发光。
PCT/CN2018/082810 2017-04-17 2018-04-12 显示面板、显示装置和驱动显示面板的方法 WO2018192408A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/303,993 US11069756B2 (en) 2017-04-17 2018-04-12 Display panel, display device and method for driving display panel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710249127.0 2017-04-17
CN201710249127.0A CN106842731B (zh) 2017-04-17 2017-04-17 一种显示面板

Publications (1)

Publication Number Publication Date
WO2018192408A1 true WO2018192408A1 (zh) 2018-10-25

Family

ID=59148128

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/082810 WO2018192408A1 (zh) 2017-04-17 2018-04-12 显示面板、显示装置和驱动显示面板的方法

Country Status (3)

Country Link
US (1) US11069756B2 (zh)
CN (1) CN106842731B (zh)
WO (1) WO2018192408A1 (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106842731B (zh) 2017-04-17 2022-06-24 京东方科技集团股份有限公司 一种显示面板
CN107515492A (zh) * 2017-09-22 2017-12-26 出门问问信息科技有限公司 一种显示装置、屏幕切换方法及电子设备
CN109656053B (zh) 2017-09-22 2021-10-08 出门问问信息科技有限公司 显示装置、显示控制方法及电子设备
CN107632452B (zh) 2017-10-27 2020-07-31 京东方科技集团股份有限公司 显示面板及显示器
CN107799017A (zh) * 2017-11-08 2018-03-13 武汉华星光电半导体显示技术有限公司 双面显示器及其制作方法
CN108363236A (zh) * 2018-03-07 2018-08-03 京东方科技集团股份有限公司 一种显示装置及其控制方法、显示系统
CN108511508B (zh) 2018-06-14 2021-01-26 京东方科技集团股份有限公司 Oled显示面板及显示器
CN110750005B (zh) * 2018-07-23 2021-04-20 京东方科技集团股份有限公司 显示装置及其显示方法
CN109031830A (zh) * 2018-08-27 2018-12-18 京东方科技集团股份有限公司 一种阵列基板及其制备方法、液晶显示面板
CN110543050B (zh) 2019-09-30 2021-11-23 上海天马微电子有限公司 一种显示面板、显示装置及显示装置的补偿方法
CN111142180A (zh) * 2019-12-30 2020-05-12 Oppo广东移动通信有限公司 偏光片及其制作方法、显示屏组件和电子装置
CN111047996B (zh) * 2020-01-03 2021-12-10 武汉天马微电子有限公司 一种显示模组和显示装置
CN114815344A (zh) * 2022-06-20 2022-07-29 惠科股份有限公司 显示屏及显示控制方法
CN117425374B (zh) * 2023-12-19 2024-03-26 惠科股份有限公司 双面显示装置和双面显示装置的驱动方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101131495A (zh) * 2006-08-23 2008-02-27 三星电子株式会社 柔性显示装置面板的制造
CN201429935Y (zh) * 2009-04-03 2010-03-24 陕西科技大学 节能型双面显示器件
CN201622819U (zh) * 2009-09-21 2010-11-03 智点科技（深圳）有限公司 一种触控式平板显示器的驱动装置
CN102969361A (zh) * 2011-09-01 2013-03-13 中国科学院微电子研究所 光照稳定性非晶态金属氧化物tft器件以及显示器件
US20130153940A1 (en) * 2011-12-16 2013-06-20 Samsung Display Co., Ltd. Organic electro-luminescence display device
CN106842731A (zh) * 2017-04-17 2017-06-13 京东方科技集团股份有限公司 一种显示面板

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7248235B2 (en) * 2001-09-14 2007-07-24 Sharp Kabushiki Kaisha Display, method of manufacturing the same, and method of driving the same
JP2004045769A (ja) * 2002-07-11 2004-02-12 Toyota Industries Corp 表示装置
JP2008158454A (ja) * 2006-12-26 2008-07-10 Sony Corp 液晶表示装置
TW201042324A (en) * 2009-05-26 2010-12-01 Tpo Displays Corp System for displaying images

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101131495A (zh) * 2006-08-23 2008-02-27 三星电子株式会社 柔性显示装置面板的制造
CN201429935Y (zh) * 2009-04-03 2010-03-24 陕西科技大学 节能型双面显示器件
CN201622819U (zh) * 2009-09-21 2010-11-03 智点科技（深圳）有限公司 一种触控式平板显示器的驱动装置
CN102969361A (zh) * 2011-09-01 2013-03-13 中国科学院微电子研究所 光照稳定性非晶态金属氧化物tft器件以及显示器件
US20130153940A1 (en) * 2011-12-16 2013-06-20 Samsung Display Co., Ltd. Organic electro-luminescence display device
CN106842731A (zh) * 2017-04-17 2017-06-13 京东方科技集团股份有限公司 一种显示面板

Also Published As

Publication number Publication date
US11069756B2 (en) 2021-07-20
CN106842731B (zh) 2022-06-24
US20200321409A1 (en) 2020-10-08
CN106842731A (zh) 2017-06-13

Similar Documents

Publication Publication Date Title
WO2018192408A1 (zh) 显示面板、显示装置和驱动显示面板的方法
US11005064B2 (en) Transparent display substrate and driving method thereof and transparent display device
KR101913455B1 (ko) 표시 장치 및 전자 기기
TWI463455B (zh) 顯示裝置及電子設備
TWI712168B (zh) 有機發光二極體顯示器
KR102334953B1 (ko) 표시장치 및 그 구동방법
US20090261715A1 (en) Organic light emitting display device
US9219103B2 (en) Organic light emitting diode display
KR102449131B1 (ko) 유기발광 표시장치
JP2002196702A (ja) 画像表示装置
KR20180014381A (ko) 표시장치
KR20120134222A (ko) 백색 유기발광다이오드 표시소자
US20150349029A1 (en) Display panel and method for manufacturing thereof
WO2022027784A1 (zh) Oled 显示面板和显示装置
TW201925884A (zh) 顯示面板及有機發光顯示裝置
JP2015090813A (ja) 表示装置
KR102043846B1 (ko) 전계발광표시장치
KR20190050170A (ko) 유기발광 표시장치
US11183550B2 (en) Light-emitting device and electronic apparatus
US20150090986A1 (en) Organic el display device
WO2016197524A1 (zh) 有机电致发光显示器件、显示装置及其制作方法
KR20200009008A (ko) 표시 장치 및 전자 기기
US11100853B2 (en) OLED display machine with illumination function
TWI692665B (zh) 顯示裝置
US20200027937A1 (en) Light-emitting device and electronic apparatus

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18787808

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 30.03.2020)

122 Ep: pct application non-entry in european phase

Ref document number: 18787808

Country of ref document: EP

Kind code of ref document: A1