WO2018090440A1 - Amoled双面显示器 - Google Patents

Amoled双面显示器 Download PDF

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Publication number
WO2018090440A1
WO2018090440A1 PCT/CN2016/112248 CN2016112248W WO2018090440A1 WO 2018090440 A1 WO2018090440 A1 WO 2018090440A1 CN 2016112248 W CN2016112248 W CN 2016112248W WO 2018090440 A1 WO2018090440 A1 WO 2018090440A1
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Prior art keywords
oled
oled unit
cathode
emitting
unit
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PCT/CN2016/112248
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English (en)
French (fr)
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易士娟
李双
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武汉华星光电技术有限公司
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Priority to US15/505,098 priority Critical patent/US10636856B2/en
Publication of WO2018090440A1 publication Critical patent/WO2018090440A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/805—Electrodes
    • H10K50/81—Anodes
    • H10K50/818—Reflective anodes, e.g. ITO combined with thick metallic layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/805—Electrodes
    • H10K50/82—Cathodes
    • H10K50/828—Transparent cathodes, e.g. comprising thin metal 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
    • 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
    • H10K59/128—Active-matrix OLED [AMOLED] displays comprising two independent displays, e.g. for emitting information from two major sides of the display
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/02—Composition of display devices
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0686—Adjustment of display parameters with two or more screen areas displaying information with different brightness or colours
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/302—Details of OLEDs of OLED structures
    • H10K2102/3023—Direction of light emission
    • H10K2102/3026—Top emission
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/302—Details of OLEDs of OLED structures
    • H10K2102/3023—Direction of light emission
    • H10K2102/3031—Two-side emission, e.g. transparent OLEDs [TOLED]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/302—Details of OLEDs of OLED structures
    • H10K2102/3023—Direction of light emission
    • H10K2102/3035—Edge emission
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/351—Thickness
    • 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
    • H10K59/80—Constructional details
    • H10K59/805—Electrodes
    • H10K59/8051—Anodes
    • H10K59/80518—Reflective anodes, e.g. ITO combined with thick metallic 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
    • H10K59/80—Constructional details
    • H10K59/805—Electrodes
    • H10K59/8052—Cathodes
    • H10K59/80524—Transparent cathodes, e.g. comprising thin metal layers

Definitions

  • the present invention relates to the field of display technologies, and in particular, to an AMOLED double-sided display.
  • the active-matrix organic light emitting diode (AMOLED) display has self-luminous, low driving voltage, high luminous efficiency, short response time, high definition and contrast, wide viewing angle, and wide temperature range. It can realize many advantages such as flexible display and large-area full-color display, and is recognized by the industry as the most promising display device.
  • the AMOLED display is a self-luminous type display device, and the OLED light-emitting device thereon generally includes a pixel electrode respectively serving as an anode (Anode), a cathode, and a common electrode, and an organic layer disposed between the pixel electrode and the common electrode. The functional layer, when there is current, these organic functional layers will illuminate.
  • the AMOLED double-sided display device emerges as the times require.
  • the AMOLED double-sided display device can also extend the screen space, quickly switch and process multiple display screens, and advertise and portable electronic products. There is a huge application space.
  • the design of a general AMOLED double-sided display generally adopts a method in which an Anode and a cathode are thin to form a transparent electrode, so that the OLED light-emitting device can be simultaneously displayed on the front and back sides of the panel.
  • this design there is an obvious drawback, that is, the image displayed on the front of the panel is mirrored with the image displayed on the back of the panel, that is, the image seen by the observer on the left and right sides of the pattern is reversed, as shown in FIG. It is shown that the AMOLED display 10 adopts the above design.
  • the front surface of the AMOLED display 10 is displayed as a positive F; and when the observer stands on the left side, the back of the AMOLED display 10 is displayed as a
  • the inverse F which brings great inconvenience to the observer, especially when the panel displays an image of the map type, this disadvantage is particularly significant.
  • an AMOLED double-sided display is designed to bond two top-emitting AMOLED panels together, and inject signals through two integrated circuits (ICs) so that the image displayed on both sides is There is no problem with directional distortion when observing.
  • an AMOLED double-sided display adopts the above design, including two first AMOLED display screens 21 and a second AMOLED display screen 22 that are attached back to back, when the observer stands.
  • the first AMOLED display 21 on the right side shows a positive F; and when the observer stands on the left side, the second AMOLED display 22 on the left side is also displayed as a positive F.
  • this design has an obvious drawback.
  • the object of the present invention is to provide an AMOLED double-sided display that requires only one display panel and one control IC to realize double-sided display, and can ensure that the image seen by the observer before and after the display panel has no left-right mirroring and direction distortion.
  • the problem is low cost and good display effect.
  • the present invention provides an AMOLED double-sided display comprising a substrate and an OLED array layer disposed on the substrate;
  • the OLED array layer includes a plurality of top emission OLED units arranged in a matrix, and a plurality of bottom emission OLED units, wherein the top emission OLED unit and the bottom emission OLED unit are in a horizontal direction and a vertical direction Alternatingly arranged in at least one direction;
  • the top emission OLED unit and the bottom emission OLED unit each include an anode, an organic layer, and a cathode stacked in this order from bottom to top;
  • the anode of the top-emitting OLED unit and the anode of the bottom-emitting OLED unit are respectively a first anode and a second anode, and the thickness of the first anode is greater than the thickness of the second anode, and the first anode has a reflection
  • the second anode has light transmissivity
  • the cathode of the top emission OLED unit and the cathode of the bottom emission OLED unit are respectively a first cathode and a second cathode, and the thickness of the second cathode is larger than the thickness of the first cathode, and the first cathode It is translucent and the second cathode is reflective.
  • the first anode and the second anode are separately formed in two vacuum evaporation processes by using a mask.
  • the first anode and the second anode are simultaneously formed in the same vacuum evaporation process by using a gray tone mask or a halftone mask.
  • the OLED array layer has a first cathode film and a second cathode film, and the second cathode film is formed on an upper surface of the first cathode film corresponding to the plurality of bottom emission OLED units, the second The cathode film is formed by performing a vacuum evaporation process using a mask;
  • the first cathode is composed of a portion of the first cathode film corresponding to the top emission OLED unit
  • the second cathode is composed of a first cathode film and a portion of the second cathode film corresponding to the bottom emission OLED unit.
  • the top emitting OLED unit and the bottom emission are alternately arranged in the horizontal direction and in the vertical direction;
  • the plurality of top-emitting OLED units and the plurality of bottom-emitting OLED units together form an OLED unit array, wherein the top-emitting OLED unit and the bottom-emitting OLED unit are sequentially alternated in each row and each column arrangement.
  • the image signals accepted by the i-th top-emitting OLED unit from left to right in each row of the OLED cell array and the image received from the right-to-left ith-emitting OLED unit in the row are the same and i is a positive integer.
  • the top-emitting OLED unit and the bottom-emitting OLED unit are alternately arranged in a horizontal direction, and are not alternately arranged in a vertical direction;
  • the plurality of top-emitting OLED units and the plurality of bottom-emitting OLED units together form an OLED unit array, wherein each odd-numbered column is a top-emitting OLED unit, and each even-numbered column is a bottom-emitting OLED unit, or
  • Each odd-numbered column is a bottom-emitting OLED unit, and each even-numbered column is a top-emitting OLED unit.
  • the image signals accepted by the i-th top-emitting OLED unit from left to right in each row of the OLED cell array and the image received from the right-to-left ith-emitting OLED unit in the row are the same and i is a positive integer.
  • the top-emitting OLED unit and the bottom-emitting OLED unit are alternately arranged in a vertical direction, and are not alternately arranged in a horizontal direction;
  • the plurality of top-emitting OLED units and the plurality of bottom-emitting OLED units together form an OLED unit array, wherein each odd-numbered row is a top-emitting OLED unit, and each even-numbered row is a bottom-emitting OLED unit, or
  • Each odd row is a bottom emitting OLED cell, and each even row is a top emitting OLED cell.
  • the image signal received by the jth top emission OLED unit in the ith column from left to right and the jth bottom emission OLED unit in the ith column from right to left The accepted image signals are the same, and i and j are positive integers.
  • the present invention also provides an AMOLED double-sided display comprising a substrate and an OLED array layer disposed on the substrate;
  • the OLED array layer comprises a plurality of top-emitting OLED units arranged in a matrix, and a plurality of bottom-emitting OLED units
  • the top emitting OLED unit and the bottom emitting OLED unit are alternately arranged in sequence in at least one of a horizontal direction and a vertical direction;
  • the top emission OLED unit and the bottom emission OLED unit each include an anode, an organic layer, and a cathode stacked in this order from bottom to top;
  • the anode of the top-emitting OLED unit and the anode of the bottom-emitting OLED unit are respectively a first anode and a second anode, and the thickness of the first anode is greater than the thickness of the second anode, and the first anode has a reflection
  • the second anode has light transmissivity
  • the cathode of the top emission OLED unit and the cathode of the bottom emission OLED unit are respectively a first cathode and a second cathode, and the thickness of the second cathode is larger than the thickness of the first cathode, and the first cathode Light transmissive, the second cathode is reflective;
  • first anode and the second anode are respectively formed by using a mask in two vacuum evaporation processes
  • the OLED array layer has a first cathode film and a second cathode film, and the second cathode film is formed on an upper surface of the first cathode film corresponding to the plurality of bottom emission OLED units,
  • the second cathode film is formed by performing a vacuum evaporation process using a mask;
  • the first cathode is composed of a portion of the first cathode film corresponding to the top emission OLED unit
  • the second cathode is composed of a first cathode film and a portion of the second cathode film corresponding to the bottom emission OLED unit.
  • the present invention provides an AMOLED double-sided display comprising a substrate and an OLED array layer disposed on the substrate; the OLED array layer includes a plurality of top-emitting OLED units arranged in a matrix, and a plurality of bottom emitting OLED units, wherein the top emitting OLED unit and the bottom emitting OLED unit are alternately arranged in sequence in at least one of a horizontal direction and a vertical direction; and a thickness of the top emitting OLED unit anode
  • the thickness of the bottom emitting OLED unit cathode is larger than the thickness of the bottom emitting OLED unit cathode, and the reflectivity of the top emitting OLED unit anode and the bottom emitting OLED unit cathode is increased.
  • the characteristics of the top emission of the top-emitting OLED unit and the characteristics of the bottom emission of the bottom-emitting OLED unit are realized; thus, by designing a single IC-controlled image algorithm, only one display panel and one control IC are needed, thereby enabling double-sided display, and It can ensure that the image seen by the observer before and after the display panel has no problem of left and right mirroring and direction distortion, and the cost is low and the display effect is good.
  • 1 is an effect diagram of a conventional double-sided display of an AMOLED double-sided display
  • FIG. 2 is an effect diagram of another conventional AMOLED double-sided display for double-sided display
  • FIG. 3 is a cross-sectional structural view of an AMOLED double-sided display of the present invention.
  • FIG. 4 is a schematic plan view of an AMOLED double-sided display of the present invention.
  • FIG. 5 is an enlarged view of the area of the block A in FIG. 4 to show a first arrangement of the top emitting OLED unit and the bottom emitting OLED unit in the OLED array layer;
  • FIG. 6 is an enlarged view of the area of the box A in FIG. 4 to show a second arrangement of the top emitting OLED unit and the bottom emitting OLED unit in the OLED array layer;
  • FIG. 7 is an enlarged view of the area of the box A in FIG. 4 to show a third arrangement of the top emitting OLED unit and the bottom emitting OLED unit in the OLED array layer;
  • Fig. 8 is a view showing the effect of double-sided display of the AMOLED double-sided display of the present invention.
  • the present invention provides an AMOLED double-sided display, comprising a substrate 100, and an OLED array layer 200 disposed on the substrate 100.
  • the OLED array layer 200 includes a plurality of top emission arranged in a matrix.
  • the top emission OLED unit 210 and the bottom emission OLED unit 220 each include an anode, an organic layer 203, and a cathode stacked in this order from bottom to top;
  • the anode of the top emission OLED unit 210 and the anode of the bottom emission OLED unit 220 are a first anode 211 and a second anode 221, respectively, and the thickness of the first anode 211 is greater than the thickness of the second anode 221.
  • the cathode of the top emission OLED unit 210 and the cathode of the bottom emission OLED unit 220 are a first cathode 212 and a second cathode 222, respectively, and the thickness of the second cathode 222 is larger than the thickness of the first cathode 212;
  • the first anode 211 and the second anode 221 can be vacuum-evaporated twice by using a mask. They are formed separately in the process, or can also be formed simultaneously in the same vacuum evaporation process by using a Gray Tone Mask or a Half Tone Mask.
  • a thin transparent first anode film 206 may be deposited by a mask having a pixel pattern, and another mask pattern having a pixel pattern may be used on the first anode film 206.
  • the region forming the top-emitting OLED unit 210 is vapor-deposited with a thicker reflective second light-transmissive second anode film 207 such that the first anode film 206 and the second anode film 207 correspond to the top-emitting OLED unit 210.
  • a thin light-transmissive first cathode film 208 may be first deposited through a mask, and then Depositing a thicker reflective second light-transmissive second cathode film 209 on the first cathode film 208 corresponding to the region where the bottom-emitting OLED unit 220 is formed by using another mask pattern having a pixel pattern, thereby A portion of the cathode film 208 corresponding to the top emission OLED unit 210 constitutes a first cathode 212, and a portion of the first cathode film 208 and the second cathode film 209 corresponding to the bottom emission OLED unit 220 together constitute a second cathode 222.
  • the OLED array layer 200 further includes a pixel spacer layer 250 for defining a pixel region, and the top emission OLED unit 210 and the bottom emission OLED unit 220 are respectively formed corresponding to the pixel spacer layer 250. On the pixel area.
  • the organic layer 203 includes a hole injection layer, a hole transport layer, a light-emitting layer, and an electron transport/injection layer which are laminated in this order from bottom to top.
  • the substrate 100 is a TFT array substrate including a base substrate and a TFT array layer disposed on the base substrate, wherein the TFT array layer includes a plurality of arrayed TFT devices.
  • the top emission OLED unit 210 and the bottom emission OLED unit 220 respectively emit light toward and away from the substrate 100, the bottom emission OLED unit 220 should be disposed on a non-light blocking region of the substrate 100.
  • the top emission OLED unit 210 may be disposed on a non-light blocking region or may be disposed on a light blocking region.
  • the top emission OLED unit 210 may be disposed on a TFT device that generally does not allow light transmission, thereby increasing illumination. Area and pixel aperture ratio.
  • the OLED array layer 200 includes a plurality of top-emitting OLED units 210 arranged in a matrix, and a plurality of bottom-emitting OLED units 220, wherein the top-emitting OLED unit 210 and the bottom emission
  • the OLED unit 220 is alternately arranged in sequence in at least one of a horizontal direction and a vertical direction; thereby designing a single IC controlled diagram
  • the algorithm only one display panel and one control IC are needed, which can realize double-sided display, and can ensure that the image seen by the observer before and after the display panel has no left-right mirroring and direction distortion, and the cost is low, and the display effect is good. .
  • the top emission OLED unit 210 and the bottom emission OLED unit 220 may be alternately arranged in the horizontal direction and the vertical direction;
  • the top-emitting OLED unit 210 and the plurality of bottom-emitting OLED units 220 together form an OLED unit array, wherein the top-emitting OLED unit 210 and the bottom-emitting OLED unit 220 are sequentially in each row and in each column. Alternately arranged.
  • the specific image algorithm is that, when performing display, the image signals received by the ith top-emitting OLED unit 210 from left to right in each row of the OLED unit array and the row are The right-to-left i-th bottom-emitting OLED unit 220 receives the same image signal, where i is a positive integer, for example, assuming that the formed OLED cell array is an array of m rows and 2n columns, where m and n are positive integers.
  • the first line from left to right, the first, second, third, ..., n top-emitting OLED units 210 receive image signals S11, S12, S13 VietnameseS1n, respectively, the second line from left to right first 2, 3.
  • the image signals received by the n top-emitting OLED units 210 are S21, S22, S23, ..., S2n, respectively, and the first row is from right to left, the first, second, third, ..., n bottoms
  • the image signals received by the transmitting OLED unit 220 are S11, S12, S13 acrossS1n, respectively, and the second line is from right to left.
  • the image signals received by the 1, 2, 3, ..., n bottom-emitting OLED units 220 are respectively S21, S22, S23 togetherS2n; that is, the i-th top-emitting OLED unit 210 from left to right in the jth row
  • the accepted image signal is Sji
  • the image signal received by the ith bottom emission OLED unit 220 in the row is also Sji, so that according to the above image algorithm, a control IC can realize double-sided display, and It can ensure that the viewer sees the picture before and after the display panel without the problem of left and right mirroring and direction distortion.
  • the top emission OLED unit 210 and the bottom emission OLED unit 220 are alternately arranged in the horizontal direction, and are not alternately arranged in the vertical direction;
  • the plurality of top-emitting OLED units 210 and the plurality of bottom-emitting OLED units 220 together form an OLED unit array, wherein each odd-numbered column is a top-emitting OLED unit 210, and each even-numbered column is a bottom-emitting OLED unit 220.
  • each odd-numbered column is a bottom-emitting OLED unit 220, and each even-numbered column is a top-emitting OLED unit 210.
  • the corresponding single IC controlled image algorithm is the same as the image algorithm described above, and in the OLED cell array, the ith top emission OLED unit 210 is left-to-right in each row in the OLED cell array.
  • Accepted image signal and OLED single emission from right to left i-th bottom in the row The image signals accepted by element 220 are the same, where i is a positive integer.
  • the formed OLED cell array is an array of m rows and 2n columns, where m and n are positive integers, and the first row is from left to right, the first, second, third, ..., n top emitting OLED units 210
  • the received image signals are S11, S12, S13 VietnameseS1n, and the image signals received by the top emission OLED unit 210 from the left to the right of the second row are S21, S22, respectively.
  • the first line from right to left, the first, second, third, ..., n bottom emission OLED unit 220 received image signals are S11, S12, S13 VietnameseS1n, line 2
  • the image signals received by the bottom emission OLED unit 220 from right to left are 1, 21, S22, S23, ..., S2n, respectively.
  • the top emission OLED unit 210 and the bottom emission OLED unit 220 are alternately arranged in the vertical direction, and are not alternately arranged in the horizontal direction;
  • the plurality of top-emitting OLED units 210 and the plurality of bottom-emitting OLED units 220 together form an OLED unit array, wherein each odd-numbered row is a top-emitting OLED unit 210, and each even-numbered row is a bottom-emitting OLED unit 220. Or, each odd row is a bottom-emitting OLED unit 220, and each even row is a top-emitting OLED unit 210.
  • the corresponding single IC controlled image algorithm is that the image signal and the received image received by the jth top emission OLED unit 210 in the ith column from left to right in the OLED cell array are displayed.
  • the image signals received by the jth bottom emission OLED unit 220 in the right to left column i are the same, where i and j are both positive integers.
  • the formed OLED cell array is an array of 2m rows and n columns, where m and n are positive integers, and each odd row is a top-emitting OLED unit 210, and each even row is a bottom-emitting OLED unit 220.
  • the first line from left to right, the first, second, third, ..., n top-emitting OLED units 210 receive image signals S11, S12, S13 VietnameseS1n, respectively, the third line from left to right from left
  • the image signals accepted by the top 1, 2, 3, ..., n top-emitting OLED units 210 are S21, S22, S23, ..., S2n, respectively, and the second line is from right to left, 1, 2, 3...
  • the image signals received by the n bottom emission OLED units 220 are respectively S11, S12, S13 VietnameseS1n, and the fourth row is from right to left, the first, second, third, ..., n bottom emission OLED units 220
  • the accepted image signals are S21, S22, S23 acrossS2n, respectively.
  • the AMOLED double-sided display of the invention can realize double-sided display by designing a corresponding single IC controlled image algorithm, and only needs one display panel and one control IC, and can ensure that the observer sees before and after the display panel.
  • the picture has no left-right mirroring and direction distortion.
  • the AMOLED double-sided display shows a positive F; and when the observer stands on the left, it sees the AMOLED double-sided.
  • the display also shows a positive F.
  • the present invention provides an AMOLED double-sided display comprising a substrate and an OLED array layer disposed on the substrate;
  • the OLED array layer includes a plurality of arrays arranged in a matrix a top emitting OLED unit, and a plurality of bottom emitting OLED units, wherein the top emitting OLED unit and the bottom emitting OLED unit are alternately arranged in sequence in at least one of a horizontal direction and a vertical direction; and the top
  • the thickness of the anode of the emitting OLED unit is larger than the thickness of the anode of the bottom emitting OLED unit, the thickness of the cathode of the bottom emitting OLED unit is larger than the thickness of the cathode of the top emitting OLED unit, and the anode of the top emitting OLED unit and the bottom emission are increased.
  • the reflectivity of the cathode of the OLED unit realizes the characteristics of the top emission of the top emission OLED unit and the bottom emission of the bottom emission OLED unit; thus, by designing a single IC controlled image algorithm, only one display panel and one control IC are needed, The double-sided display is realized, and the problem that the observer sees before and after the display panel has no left-right mirroring and direction distortion, and the cost is low, and the display effect is good.

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Abstract

一种AMOLED双面显示器，其OLED阵列层(200)包括按矩阵排列的数个顶发射OLED单元(210)、及数个底发射OLED单元(220)，其中，顶发射OLED单元(210)与底发射OLED单元(220)在水平方向、及竖直方向中的至少一个方向上依次交替排列；且顶发射OLED单元(210)与底发射OLED单元(220)在阳极和阴极的厚度上均不相同，分别实现了顶发射OLED单元(210)顶发射的特性与底发射OLED单元(220)底发射的特性；从而通过设计单IC控制的图像演算法，只需要一个显示面板及一个控制IC，便能够实现双面显示的效果，并能够保证观察者在显示面板前后所看到的画面没有左右镜像及方向失真的问题，成本低，显示效果好。

Description

AMOLED双面显示器 技术领域
本发明涉及显示技术领域，尤其涉及一种AMOLED双面显示器。
背景技术
有源矩阵有机发光二极体(Active-matrix organic light emitting diode，AMOLED)显示器具有自发光、驱动电压低、发光效率高、响应时间短、清晰度与对比度高、宽视角、使用温度范围广，可实现柔性显示与大面积全色显示等诸多优点，被业界公认为是最有发展潜力的显示装置。AMOLED显示器属于自发光型显示设备，其上的OLED发光器件通常包括分别用作阳极(Anode)、与阴极(cathode)的像素电极、和公共电极、以及设在像素电极与公共电极之间的有机功能层，当有电流通过时，这些有机功能层就会发光。
随着显示技术的发展，消费者除了要求显示装置具备反应速度快、分辨率高、画质细腻的特点外，也追求功能及显示模式上的突破。因此，AMOLED双面显示装置应运而生，AMOLED双面显示装置除了具备普通AMOLED显示装置的各种特性外，还可以延伸画面空间，快速切换与处理多个显示画面，在广告宣传与便携式电子产品中有巨大的应用空间。
目前一般的AMOLED双面显示器的设计，通常采用将Anode与cathode做薄而形成透明电极的方式，使得OLED发光器件能在面板(panel)的正反面同时显示。然而，在这种设计中，有一个明显的弊端，就是panel正面显示的图像与panel背面显示的图像呈现镜像关系，即观察者在pattern左右两侧看到的图像是反的，如图1所示，AMOLED显示屏10采用上述设计，当观察者站在右边时看到AMOLED显示屏10正面显示的是正的F；而当观察者站在左边时看到AMOLED显示屏10的背面显示的是一个反的F，这给观察者带来很大的不便，特别是当panel显示的是地图类型的图像时，这种不利性，尤其显著。
而另一种目前常用的AMOLED双面显示器的设计是，将两块顶发射的AMOLED面板贴合在一起，通过两个集成电路(IC)分别灌输信号，以使得正反两面显示的图像画面在观察时不会存在方向失真的问题。如图2所示，一AMOLED双面显示器采用上述设计，包括两个背对背贴合在一起的第一AMOLED显示屏21和第二AMOLED显示屏22，当观察者站在 右边时看到右边的第一AMOLED显示屏21显示的是正的F；并且当观察者站在左边时，看到左边的第二AMOLED显示屏22显示的也是一个正的F。然而这种设计有一个明显的弊端，就是需要两个AMOLED面板，以及两个IC分别单独控制AMOLED面板，结构比较厚重，工艺相对复杂，制作成本较高，不符合消费者期望的轻薄与高性价比的要求。
发明内容
本发明的目的在于提供一种AMOLED双面显示器，只需要一个显示面板及一个控制IC，便能够实现双面显示，并能够保证观察者在显示面板前后所看到的画面没有左右镜像及方向失真的问题，成本低，显示效果好。
为实现上述目的，本发明提供了一种AMOLED双面显示器，包括基板、及设于所述基板上的OLED阵列层；
所述OLED阵列层包括按矩阵排列的数个顶发射OLED单元、及数个底发射OLED单元，其中，所述顶发射OLED单元与所述底发射OLED单元在水平方向、及竖直方向中的至少一个方向上依次交替排列；
所述顶发射OLED单元与所述底发射OLED单元均包括由下至上依次层叠的阳极、有机层、及阴极；
所述顶发射OLED单元的阳极与所述底发射OLED单元的阳极分别为第一阳极、第二阳极，所述第一阳极的厚度比第二阳极的厚度大，则所述第一阳极具有反射性，所述第二阳极具有透光性；
所述顶发射OLED单元的阴极与所述底发射OLED单元的阴极分别为第一阴极、第二阴极，所述第二阴极的厚度比所述第一阴极的厚度大，则所述第一阴极具有透光性，所述第二阴极具有反射性。
所述第一阳极与第二阳极通过利用掩膜板在两次真空蒸镀工艺中分别形成。
所述第一阳极与第二阳极通过利用一灰色调掩膜板、或半色调掩膜板在同一真空蒸镀工艺中同时形成。
所述OLED阵列层具有第一阴极膜、及第二阴极膜，所述第二阴极膜对应于所述数个底发射OLED单元形成于所述第一阴极膜的上表面上，所述第二阴极膜通过利用掩膜板进行真空蒸镀工艺形成；
所述第一阴极由第一阴极膜对应所述顶发射OLED单元的部分所构成，所述第二阴极由第一阴极膜与第二阴极膜对应所述底发射OLED单元的部分所共同构成。
可选地，所述OLED阵列层中，所述顶发射OLED单元与所述底发射 OLED单元在水平方向、及竖直方向上均依次交替排列；
所述数个顶发射OLED单元与所述数个底发射OLED单元共同构成一OLED单元阵列，其中，所述顶发射OLED单元与所述底发射OLED单元在每一行、及每一列中均依次交替排列。
在进行显示时，所述OLED单元阵列中，每一行中从左至右第i个顶发射OLED单元所接受的图像信号与该行中从右至左第i个底发射OLED单元所接受的图像信号相同，i为正整数。
可选地，所述OLED阵列层中，所述顶发射OLED单元与所述底发射OLED单元在水平方向上依次交替排列，在竖直方向上不交替排列；
所述数个顶发射OLED单元与所述数个底发射OLED单元共同构成一OLED单元阵列，其中，每一奇数列均为顶发射OLED单元，每一偶数列均为底发射OLED单元，或者，
每一奇数列均为底发射OLED单元，每一偶数列均为顶发射OLED单元。
在进行显示时，所述OLED单元阵列中，每一行中从左至右第i个顶发射OLED单元所接受的图像信号与该行中从右至左第i个底发射OLED单元所接受的图像信号相同，i为正整数。
可选地，所述OLED阵列层中，所述顶发射OLED单元与所述底发射OLED单元在竖直方向上依次交替排列，在水平方向上不交替排列；
所述数个顶发射OLED单元与所述数个底发射OLED单元共同构成一OLED单元阵列，其中，每一奇数行均为顶发射OLED单元，每一偶数行均为底发射OLED单元，或者，
每一奇数行均为底发射OLED单元，每一偶数行均为顶发射OLED单元。
在进行显示时，所述OLED单元阵列中，从左至右第i列中的第j个顶发射OLED单元所接受的图像信号与从右至左第i列中的第j个底发射OLED单元所接受的图像信号相同，i、j均为正整数。
本发明还提供一种AMOLED双面显示器，包括基板、及设于所述基板上的OLED阵列层；所述OLED阵列层包括按矩阵排列的数个顶发射OLED单元、及数个底发射OLED单元，其中，所述顶发射OLED单元与所述底发射OLED单元在水平方向、及竖直方向中的至少一个方向上依次交替排列；
所述顶发射OLED单元与所述底发射OLED单元均包括由下至上依次层叠的阳极、有机层、及阴极；
所述顶发射OLED单元的阳极与所述底发射OLED单元的阳极分别为第一阳极、第二阳极，所述第一阳极的厚度比第二阳极的厚度大，则所述第一阳极具有反射性，所述第二阳极具有透光性；
所述顶发射OLED单元的阴极与所述底发射OLED单元的阴极分别为第一阴极、第二阴极，所述第二阴极的厚度比所述第一阴极的厚度大，则所述第一阴极具有透光性，所述第二阴极具有反射性；
其中，所述第一阳极与第二阳极通过利用掩膜板在两次真空蒸镀工艺中分别形成；
其中，所述OLED阵列层具有第一阴极膜、及第二阴极膜，所述第二阴极膜对应于所述数个底发射OLED单元形成于所述第一阴极膜的上表面上，所述第二阴极膜通过利用掩膜板进行真空蒸镀工艺形成；
所述第一阴极由第一阴极膜对应所述顶发射OLED单元的部分所构成，所述第二阴极由第一阴极膜与第二阴极膜对应所述底发射OLED单元的部分所共同构成。
本发明的有益效果：本发明提供的一种AMOLED双面显示器，包括基板、及设于所述基板上的OLED阵列层；所述OLED阵列层包括按矩阵排列的数个顶发射OLED单元、及数个底发射OLED单元，其中，所述顶发射OLED单元与所述底发射OLED单元在水平方向、及竖直方向中的至少一个方向上依次交替排列；且所述顶发射OLED单元阳极的厚度比所述底发射OLED单元阳极的厚度大，所述底发射OLED单元阴极的厚度比所述顶发射OLED单元阴极的厚度大，增加了顶发射OLED单元阳极、及底发射OLED单元阴极的反射性，实现了顶发射OLED单元顶发射的特性与底发射OLED单元底发射的特性；从而通过设计单IC控制的图像演算法，只需要一个显示面板及一个控制IC，便能够实现双面显示，并能够保证观察者在显示面板前后所看到的画面没有左右镜像及方向失真的问题，成本低，显示效果好。
为了能更进一步了解本发明的特征以及技术内容，请参阅以下有关本发明的详细说明与附图，然而附图仅提供参考与说明用，并非用来对本发明加以限制。
附图说明
下面结合附图，通过对本发明的具体实施方式详细描述，将使本发明的技术方案及其它有益效果显而易见。
附图中，
图1为现有一种AMOLED双面显示器进行双面显示的效果图；
图2为现有另一种AMOLED双面显示器进行双面显示的效果图；
图3为本发明的AMOLED双面显示器的剖视结构示意图；
图4为本发明的AMOLED双面显示器的平面示意图；
图5为图4中方框A区域的放大图以显示OLED阵列层中顶发射OLED单元与底发射OLED单元的第一种排列方式；
图6为图4中方框A区域的放大图以显示OLED阵列层中顶发射OLED单元与底发射OLED单元的第二种排列方式；
图7为图4中方框A区域的放大图以显示OLED阵列层中顶发射OLED单元与底发射OLED单元的第三种排列方式；
图8为本发明的AMOLED双面显示器进行双面显示的效果图。
具体实施方式
为更进一步阐述本发明所采取的技术手段及其效果，以下结合本发明的优选实施例及其附图进行详细描述。
请参阅图3-4，本发明提供一种AMOLED双面显示器，包括基板100、及设于所述基板100上的OLED阵列层200；所述OLED阵列层200包括按矩阵排列的数个顶发射OLED单元210、及数个底发射OLED单元220，其中，所述顶发射OLED单元210与所述底发射OLED单元220在水平方向、及竖直方向中的至少一个方向上依次交替排列；
所述顶发射OLED单元210与所述底发射OLED单元220均包括由下至上依次层叠的阳极、有机层203、及阴极；
本发明中，所述顶发射OLED单元210的阳极与所述底发射OLED单元220的阳极分别为第一阳极211、第二阳极221，所述第一阳极211的厚度比第二阳极221的厚度大；所述顶发射OLED单元210的阴极与所述底发射OLED单元220的阴极分别为第一阴极212、第二阴极222，所述第二阴极222的厚度比第一阴极212的厚度大；从而增加了顶发射OLED单元210阳极、及底发射OLED单元220阴极的反射性以避免透射光线，使得所述第一阳极211具有反射性，所述第二阳极221具有透光性，所述第一阴极212具有透光性，所述第二阴极222具有反射性，进而实现了顶发射OLED单元210顶发射的特性与底发射OLED单元220底发射的特性。在本发明的上下文中，术语“具有透光性”意味着能够透射至少由OLED阵列层200所产生的光；术语“具有反射性”意味着能够反射至少由OLED阵列层200所产生的光。
具体地，对于如何实现所述第一阳极211与第二阳极221在厚度上不同的问题，所述第一阳极211与第二阳极221可通过利用掩膜板(Mask)在两次真空蒸镀工艺中分别形成，或者也可通过利用一灰色调掩膜板(Grey Tone Mask)或半色调掩膜板(Half Tone Mask)在同一真空蒸镀工艺中同时形成。例如，可以先通过一具有像素图案的掩膜板蒸镀一层薄薄的具有透光性的第一阳极膜206，再用另一具有像素图案的掩膜板在第一阳极膜206上对应形成顶发射OLED单元210的区域蒸镀一层较厚的具有反射性的防止光透射的第二阳极膜207，从而第一阳极膜206与第二阳极膜207对应所述顶发射OLED单元210的部分共同构成了第一阳极211，第一阳极膜206对应所述底发射OLED单元220的部分构成了第二阳极221。
具体地，对于如何实现所述第一阴极212与第二阴极221在厚度上不同的问题，可以先通过一掩膜板蒸镀一层薄薄的具有透光性的第一阴极膜208，再用另一具有像素图案的掩膜板在第一阴极膜208上对应形成底发射OLED单元220的区域蒸镀一层较厚的具有反射性的防止光透射的第二阴极膜209，从而第一阴极膜208对应所述顶发射OLED单元210的部分构成了第一阴极212，第一阴极膜208与第二阴极膜209对应所述底发射OLED单元220的部分共同构成了第二阴极222。
具体地，所述OLED阵列层200还包括用于界定像素区域的像素间隔层250，所述顶发射OLED单元210与所述底发射OLED单元220均对应形成于所述像素间隔层250所界定的像素区域上。
具体地，所述有机层203包括由下至上依次层叠设置的空穴注入层、空穴传输层、发光层、及电子传输/注入层。
具体地，所述基板100为TFT阵列基板，包括衬底基板、及设于衬底基板上的TFT阵列层，其中，所述TFT阵列层包括多个阵列排布的TFT器件。由于顶发射OLED单元210与所述底发射OLED单元220分别背向、与朝向所述基板100发射光，因此，所述底发射OLED单元220应该设置在所述基板100的不挡光的区域上，而顶发射OLED单元210可以设置在不挡光的区域上，也可以设置在挡光的区域上，例如顶发射OLED单元210可以设置在通常不允许光透射的TFT器件上，从而增加了发光面积和像素的开口率。
本发明的AMOLED双面显示器，所述OLED阵列层200包括按矩阵排列的数个顶发射OLED单元210、及数个底发射OLED单元220，其中，所述顶发射OLED单元210与所述底发射OLED单元220在水平方向、及竖直方向中的至少一个方向上依次交替排列；从而通过设计单IC控制的图 像演算法，只需要一个显示面板及一个控制IC，便能够实现双面显示，并能够保证观察者在显示面板前后所看到的画面没有左右镜像及方向失真的问题，成本低，显示效果好。
具体地，如图5所示，所述OLED阵列层200中，所述顶发射OLED单元210与所述底发射OLED单元220可以在水平方向、及竖直方向上均依次交替排列；所述数个顶发射OLED单元210与所述数个底发射OLED单元220共同构成一OLED单元阵列，其中，所述顶发射OLED单元210与所述底发射OLED单元220在每一行、及每一列中均依次交替排列。
此时，通过设计相应的单IC控制的图像演算法，那么只需要一个显示面板及一个控制IC，便能够实现双面显示，并能够保证观察者在显示面板前后所看到的画面没有左右镜像及方向失真的问题，具体的图像演算法为，在进行显示时，所述OLED单元阵列中，每一行中从左至右第i个顶发射OLED单元210所接受的图像信号与该行中从右至左第i个底发射OLED单元220所接受的图像信号相同，其中i为正整数，例如，假设所形成的OLED单元阵列为m行2n列的阵列，其中m、n均为正整数，第1行从左至右第1、2、3…..n个顶发射OLED单元210所接受的图像信号分别为S11、S12、S13…..S1n，第2行从左至右第1、2、3…..n个顶发射OLED单元210所接受的图像信号分别为S21、S22、S23…..S2n，则第1行从右至左第1、2、3…..n个底发射OLED单元220所接受的图像信号分别为S11、S12、S13…..S1n，第2行从右至左第1、2、3…..n个底发射OLED单元220所接受的图像信号分别为S21、S22、S23…..S2n；即第j行中从左至右第i个顶发射OLED单元210所接受的图像信号为Sji，则该行中从右至左第i个底发射OLED单元220所接受的图像信号也为Sji，从而按照上述图像演算法，一个控制IC便能够实现双面显示，并能够保证观察者在显示面板前后所看到的画面没有左右镜像及方向失真的问题。
或者，如图6所示，所述OLED阵列层200中，所述顶发射OLED单元210与所述底发射OLED单元220在水平方向上依次交替排列，在竖直方向上不交替排列；所述数个顶发射OLED单元210与所述数个底发射OLED单元220共同构成一OLED单元阵列，其中，每一奇数列均为顶发射OLED单元210，每一偶数列均为底发射OLED单元220，或者，每一奇数列均为底发射OLED单元220，每一偶数列均为顶发射OLED单元210。
那么，此时，相应的单IC控制的图像演算法同上述的图像演算法一样，在进行显示时，所述OLED单元阵列中，每一行中从左至右第i个顶发射OLED单元210所接受的图像信号与该行中从右至左第i个底发射OLED单 元220所接受的图像信号相同，其中i为正整数。例如，假设所形成的OLED单元阵列为m行2n列的阵列，其中m、n均为正整数，第1行从左至右第1、2、3…..n个顶发射OLED单元210所接受的图像信号分别为S11、S12、S13…..S1n，第2行从左至右第1、2、3…..n个顶发射OLED单元210所接受的图像信号分别为S21、S22、S23…..S2n，则第1行从右至左第1、2、3…..n个底发射OLED单元220所接受的图像信号分别为S11、S12、S13…..S1n，第2行从右至左第1、2、3…..n个底发射OLED单元220所接受的图像信号分别为S21、S22、S23…..S2n。
再或者，如图7所示，所述OLED阵列层200中，所述顶发射OLED单元210与所述底发射OLED单元220在竖直方向上依次交替排列，在水平方向上不交替排列；所述数个顶发射OLED单元210与所述数个底发射OLED单元220共同构成一OLED单元阵列，其中，每一奇数行均为顶发射OLED单元210，每一偶数行均为底发射OLED单元220，或者，每一奇数行均为底发射OLED单元220，每一偶数行均为顶发射OLED单元210。
此时，相应的单IC控制的图像演算法为，在进行显示时，所述OLED单元阵列中，从左至右第i列中的第j个顶发射OLED单元210所接受的图像信号与从右至左第i列中的第j个底发射OLED单元220所接受的图像信号相同，其中i、j均为正整数。例如，假设所形成的OLED单元阵列为2m行n列的阵列，其中m、n均为正整数，且每一奇数行均为顶发射OLED单元210，每一偶数行均为底发射OLED单元220，第一行从左至右第1、2、3…..n个顶发射OLED单元210所接受的图像信号分别为S11、S12、S13…..S1n，第三行从左至右从左至右第1、2、3…..n个顶发射OLED单元210所接受的图像信号分别为S21、S22、S23…..S2n，则第二行从右至左第1、2、3…..n个底发射OLED单元220所接受的图像信号分别为S11、S12、S13…..S1n，第四行从右至左第1、2、3…..n个底发射OLED单元220所接受的图像信号分别为S21、S22、S23…..S2n。
本发明的AMOLED双面显示器，通过设计相应的单IC控制的图像演算法，那么只需要一个显示面板及一个控制IC，便能够实现双面显示，并能够保证观察者在显示面板前后所看到的画面没有左右镜像及方向失真的问题，如图8所示，当观察者站在右边时看到AMOLED双面显示器显示的是正的F；并且当观察者站在左边时，看到AMOLED双面显示器显示的也是一个正的F。
综上所述，本发明提供的一种AMOLED双面显示器，包括基板、及设于所述基板上的OLED阵列层；所述OLED阵列层包括按矩阵排列的数个 顶发射OLED单元、及数个底发射OLED单元，其中，所述顶发射OLED单元与所述底发射OLED单元在水平方向、及竖直方向中的至少一个方向上依次交替排列；且所述顶发射OLED单元阳极的厚度比所述底发射OLED单元阳极的厚度大，所述底发射OLED单元阴极的厚度比所述顶发射OLED单元阴极的厚度大，增加了顶发射OLED单元阳极、及底发射OLED单元阴极的反射性，实现了顶发射OLED单元顶发射的特性与底发射OLED单元底发射的特性；从而通过设计单IC控制的图像演算法，只需要一个显示面板及一个控制IC，便能够实现双面显示，并能够保证观察者在显示面板前后所看到的画面没有左右镜像及方向失真的问题，成本低，显示效果好。
以上所述，对于本领域的普通技术人员来说，可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形，而所有这些改变和变形都应属于本发明权利要求的保护范围。

Claims (17)

  1. 一种AMOLED双面显示器，包括基板、及设于所述基板上的OLED阵列层；所述OLED阵列层包括按矩阵排列的数个顶发射OLED单元、及数个底发射OLED单元，其中，所述顶发射OLED单元与所述底发射OLED单元在水平方向、及竖直方向中的至少一个方向上依次交替排列；
    所述顶发射OLED单元与所述底发射OLED单元均包括由下至上依次层叠的阳极、有机层、及阴极；
    所述顶发射OLED单元的阳极与所述底发射OLED单元的阳极分别为第一阳极、第二阳极，所述第一阳极的厚度比第二阳极的厚度大，则所述第一阳极具有反射性，所述第二阳极具有透光性；
    所述顶发射OLED单元的阴极与所述底发射OLED单元的阴极分别为第一阴极、第二阴极，所述第二阴极的厚度比所述第一阴极的厚度大，则所述第一阴极具有透光性，所述第二阴极具有反射性。
  2. 如权利要求1所述的AMOLED双面显示器，其中，所述第一阳极与第二阳极通过利用掩膜板在两次真空蒸镀工艺中分别形成。
  3. 如权利要求1所述的AMOLED双面显示器，其中，所述第一阳极与第二阳极通过利用一灰色调掩膜板、或半色调掩膜板在同一真空蒸镀工艺中同时形成。
  4. 如权利要求1所述的AMOLED双面显示器，其中，所述OLED阵列层具有第一阴极膜、及第二阴极膜，所述第二阴极膜对应于所述数个底发射OLED单元形成于所述第一阴极膜的上表面上，所述第二阴极膜通过利用掩膜板进行真空蒸镀工艺形成；
    所述第一阴极由第一阴极膜对应所述顶发射OLED单元的部分所构成，所述第二阴极由第一阴极膜与第二阴极膜对应所述底发射OLED单元的部分所共同构成。
  5. 如权利要求1所述的AMOLED双面显示器，其中，所述OLED阵列层中，所述顶发射OLED单元与所述底发射OLED单元在水平方向、及竖直方向上均依次交替排列；
    所述数个顶发射OLED单元与所述数个底发射OLED单元共同构成一OLED单元阵列，其中，所述顶发射OLED单元与所述底发射OLED单元在每一行、及每一列中均依次交替排列。
  6. 如权利要求5所述的AMOLED双面显示器，其中，在进行显示时， 所述OLED单元阵列中，每一行中从左至右第i个顶发射OLED单元所接受的图像信号与该行中从右至左第i个底发射OLED单元所接受的图像信号相同，i为正整数。
  7. 如权利要求1所述的AMOLED双面显示器，其中，所述OLED阵列层中，所述顶发射OLED单元与所述底发射OLED单元在水平方向上依次交替排列，在竖直方向上不交替排列；
    所述数个顶发射OLED单元与所述数个底发射OLED单元共同构成一OLED单元阵列，其中，每一奇数列均为顶发射OLED单元，每一偶数列均为底发射OLED单元，或者，
    每一奇数列均为底发射OLED单元，每一偶数列均为顶发射OLED单元。
  8. 如权利要求7所述的AMOLED双面显示器，其中，在进行显示时，所述OLED单元阵列中，每一行中从左至右第i个顶发射OLED单元所接受的图像信号与该行中从右至左第i个底发射OLED单元所接受的图像信号相同，i为正整数。
  9. 如权利要求1所述的AMOLED双面显示器，其中，所述OLED阵列层中，所述顶发射OLED单元与所述底发射OLED单元在竖直方向上依次交替排列，在水平方向上不交替排列；
    所述数个顶发射OLED单元与所述数个底发射OLED单元共同构成一OLED单元阵列，其中，每一奇数行均为顶发射OLED单元，每一偶数行均为底发射OLED单元，或者，
    每一奇数行均为底发射OLED单元，每一偶数行均为顶发射OLED单元。
  10. 如权利要求9所述的AMOLED双面显示器，其中，在进行显示时，所述OLED单元阵列中，从左至右第i列中的第j个顶发射OLED单元所接受的图像信号与从右至左第i列中的第j个底发射OLED单元所接受的图像信号相同，i、j均为正整数。
  11. 一种AMOLED双面显示器，包括基板、及设于所述基板上的OLED阵列层；所述OLED阵列层包括按矩阵排列的数个顶发射OLED单元、及数个底发射OLED单元，其中，所述顶发射OLED单元与所述底发射OLED单元在水平方向、及竖直方向中的至少一个方向上依次交替排列；
    所述顶发射OLED单元与所述底发射OLED单元均包括由下至上依次层叠的阳极、有机层、及阴极；
    所述顶发射OLED单元的阳极与所述底发射OLED单元的阳极分别为 第一阳极、第二阳极，所述第一阳极的厚度比第二阳极的厚度大，则所述第一阳极具有反射性，所述第二阳极具有透光性；
    所述顶发射OLED单元的阴极与所述底发射OLED单元的阴极分别为第一阴极、第二阴极，所述第二阴极的厚度比所述第一阴极的厚度大，则所述第一阴极具有透光性，所述第二阴极具有反射性；
    其中，所述第一阳极与第二阳极通过利用掩膜板在两次真空蒸镀工艺中分别形成；
    其中，所述OLED阵列层具有第一阴极膜、及第二阴极膜，所述第二阴极膜对应于所述数个底发射OLED单元形成于所述第一阴极膜的上表面上，所述第二阴极膜通过利用掩膜板进行真空蒸镀工艺形成；
    所述第一阴极由第一阴极膜对应所述顶发射OLED单元的部分所构成，所述第二阴极由第一阴极膜与第二阴极膜对应所述底发射OLED单元的部分所共同构成。
  12. 如权利要求11所述的AMOLED双面显示器，其中，所述OLED阵列层中，所述顶发射OLED单元与所述底发射OLED单元在水平方向、及竖直方向上均依次交替排列；
    所述数个顶发射OLED单元与所述数个底发射OLED单元共同构成一OLED单元阵列，其中，所述顶发射OLED单元与所述底发射OLED单元在每一行、及每一列中均依次交替排列。
  13. 如权利要求12所述的AMOLED双面显示器，其中，在进行显示时，所述OLED单元阵列中，每一行中从左至右第i个顶发射OLED单元所接受的图像信号与该行中从右至左第i个底发射OLED单元所接受的图像信号相同，i为正整数。
  14. 如权利要求11所述的AMOLED双面显示器，其中，所述OLED阵列层中，所述顶发射OLED单元与所述底发射OLED单元在水平方向上依次交替排列，在竖直方向上不交替排列；
    所述数个顶发射OLED单元与所述数个底发射OLED单元共同构成一OLED单元阵列，其中，每一奇数列均为顶发射OLED单元，每一偶数列均为底发射OLED单元，或者，
    每一奇数列均为底发射OLED单元，每一偶数列均为顶发射OLED单元。
  15. 如权利要求14所述的AMOLED双面显示器，其中，在进行显示时，所述OLED单元阵列中，每一行中从左至右第i个顶发射OLED单元所接受的图像信号与该行中从右至左第i个底发射OLED单元所接受的图 像信号相同，i为正整数。
  16. 如权利要求11所述的AMOLED双面显示器，其中，所述OLED阵列层中，所述顶发射OLED单元与所述底发射OLED单元在竖直方向上依次交替排列，在水平方向上不交替排列；
    所述数个顶发射OLED单元与所述数个底发射OLED单元共同构成一OLED单元阵列，其中，每一奇数行均为顶发射OLED单元，每一偶数行均为底发射OLED单元，或者，
    每一奇数行均为底发射OLED单元，每一偶数行均为顶发射OLED单元。
  17. 如权利要求16所述的AMOLED双面显示器，其中，在进行显示时，所述OLED单元阵列中，从左至右第i列中的第j个顶发射OLED单元所接受的图像信号与从右至左第i列中的第j个底发射OLED单元所接受的图像信号相同，i、j均为正整数。
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US20190157371A1 (en) 2019-05-23

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