CN111129327A - Full-color display panel and full-color display device - Google Patents
Full-color display panel and full-color display device Download PDFInfo
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- CN111129327A CN111129327A CN201911348559.2A CN201911348559A CN111129327A CN 111129327 A CN111129327 A CN 111129327A CN 201911348559 A CN201911348559 A CN 201911348559A CN 111129327 A CN111129327 A CN 111129327A
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- H—ELECTRICITY
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- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- H10K59/12—Active-matrix OLED [AMOLED] displays
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Abstract
The application discloses a full-color display panel, which comprises a first display screen, a second display screen and a third display screen which are sequentially attached from bottom to top; the first display screen comprises a first light-emitting layer and a first anode metal layer arranged below the first light-emitting layer, and the first light-emitting layer is evaporated on the whole surface; the second display screen comprises a second light-emitting layer and a second anode metal layer arranged below the second light-emitting layer, and the second light-emitting layer is evaporated on the whole surface; the third display screen comprises a third light emitting layer and a third anode metal layer arranged below the third light emitting layer, and the third light emitting layer is evaporated on the whole surface.
Description
Technical Field
The application relates to the field of display panel manufacturing, in particular to a full-color display panel and a full-color display device.
Background
In recent years, Organic Light Emitting Diodes (OLEDs) are known as next generation displays, and active Organic Light Emitting diodes (AM-OLEDs) as a new generation display technology are increasingly popular in the market due to their advantages of low power consumption, high contrast, high color gamut, high response speed, flexibility, and the like. Products such as mobile phones and Virtual Reality (VR) in the market place put higher and higher resolution requirements on display screens. However, the current AM-OLED display screen has a difficulty in achieving a resolution of 500PPI (PPI) or more, and the main reason is that it is impossible to prepare a high-definition colorized Pixel pattern using red, green, and blue (RGB) organic materials.
Disclosure of Invention
An object of the present application is to provide a full-color display panel and a full-color display device, which are applicable to high-resolution AM-OLED and have high light utilization efficiency, compared to the existing colorization scheme, and can meet the requirement of higher and higher resolution of AM-OLED.
The embodiment of the application provides a full-color display panel, include:
the first display screen, the second display screen and the third display screen are sequentially attached from bottom to top;
the first display screen comprises a first light-emitting layer and a first anode metal layer arranged below the first light-emitting layer, and the first light-emitting layer is evaporated on the whole surface;
the second display screen comprises a second light-emitting layer and a second anode metal layer arranged below the second light-emitting layer, and the second light-emitting layer is evaporated on the whole surface;
the third display screen comprises a third light-emitting layer and a third anode metal layer arranged below the third light-emitting layer, and the third light-emitting layer is evaporated on the whole surface;
the first, second and third light-emitting layers are respectively composed of pixels with three colors of red, green and blue, and the colors of the first, second and third light-emitting layers are different;
the three orthographic projections of the first anode metal layer, the second anode metal layer and the third anode metal layer on the same horizontal plane are connected with each other, and the total area of the orthographic projections of the first anode metal layer, the second anode metal layer and the third anode metal layer on the same horizontal plane is equal to the area of one pixel.
In some embodiments, the first display screen sequentially includes, from bottom to top: a first transparent substrate; the first thin film transistor layer is arranged on the first transparent substrate; the first insulating layer is arranged on the first thin film transistor and is provided with a first through hole; the first anode metal layer is arranged on the first insulating layer and is electrically connected with the drain electrode of the first thin film transistor through the first through hole; the first photoresist layer is arranged on the first insulating layer and is arranged opposite to the first thin film transistor layer, wherein the first photoresist layer and the first anode metal layer are arranged at the same layer; the first hole transmission layer is arranged on the first anode metal layer, the first photoresist layer and the first insulating layer; a first light emitting layer disposed on the first hole transport layer; a first electron transport layer disposed on the first light emitting layer; and a first cathode layer disposed on the first electron transport layer.
In some embodiments, the second display screen sequentially includes, from bottom to top: a second transparent substrate; the second thin film transistor layer is arranged on the second transparent substrate; the second insulating layer is arranged on the second thin film transistor and is provided with a second through hole; the second anode metal layer is arranged on the second insulating layer and is electrically connected with the drain electrode of the second thin film transistor through the second through hole; the second light resistance layer is arranged on the second insulating layer and is arranged opposite to the second thin film transistor layer, wherein the second light resistance layer and the second anode metal layer are arranged at the same layer; the second hole transmission layer is arranged on the second anode metal layer, the second light resistance layer and the second insulating layer; a second light emitting layer disposed on the second hole transport layer; the second electron transport layer is arranged on the second light-emitting layer; and a second cathode layer disposed on the second electron transport layer.
In some embodiments, the third display screen sequentially includes, from bottom to top: a third transparent substrate; the third thin film transistor layer is arranged on the third transparent substrate; the third insulating layer is arranged on the third thin film transistor and is provided with a third through hole; the third anode metal layer is arranged on the third insulating layer and is electrically connected with the drain electrode of the third thin film transistor through the third through hole; a third photoresist layer disposed on the third insulating layer and opposite to the third thin film transistor layer, wherein the third photoresist layer and the third anode metal layer are disposed on the same layer; a third hole transport layer disposed on the third anode metal layer, the third photoresist layer, and the third insulating layer; a third light emitting layer disposed on the third hole transport layer; a third electron transport layer disposed on the third light emitting layer; and a third cathode layer disposed on the third electron transport layer.
In some embodiments, the full-color display panel sequentially comprises a red display screen, a green display screen, a blue display screen and a polarizer; and/or sequentially comprises a red display screen, a blue display screen and a green display screen; and/or sequentially comprises a green display screen, a red display screen and a blue display screen; and/or sequentially comprises a green display screen, a blue display screen and a red display screen; and/or sequentially comprises a blue display screen, a green display screen and a red display screen; and/or sequentially comprises a blue display screen, a red display screen and a green display screen.
In some embodiments, the first, second and third display screens are identical to each other in shape and size; the first, second and third light emitting layers have the same shape and size.
When the first display screen, the second display screen and the third display screen are sequentially attached, the edges of the same side of the first display screen, the second display screen and the third display screen are positioned in the same plane; and/or the vertex angles at the same position of the first display screen, the second display screen and the third display screen are positioned on the same straight line.
In some embodiments, the full-color display panel further includes a polarizer disposed on a side of the third display screen away from the second display screen.
In some embodiments, the cathode layer is transparent and comprises indium tin oxide and indium zinc oxide.
An embodiment of the present application further provides a display device, which includes: the first display screen, the second display screen and the third display screen are sequentially attached from bottom to top; the first display screen comprises a first light-emitting layer and a first anode metal layer arranged below the first light-emitting layer, and the first light-emitting layer is evaporated on the whole surface; the second display screen comprises a second light-emitting layer and a second anode metal layer arranged below the second light-emitting layer, and the second light-emitting layer is evaporated on the whole surface; the third display screen comprises a third light-emitting layer and a third anode metal layer arranged below the third light-emitting layer, and the third light-emitting layer is evaporated on the whole surface; the first, second and third light-emitting layers are respectively composed of pixels with three colors of red, green and blue, and the colors of the first, second and third light-emitting layers are different; the three orthographic projections of the first anode metal layer, the second anode metal layer and the third anode metal layer on the same horizontal plane are connected with each other, and the total area of the orthographic projections of the first anode metal layer, the second anode metal layer and the third anode metal layer on the same horizontal plane is equal to the area of one pixel.
In some embodiments, the first display screen sequentially includes, from bottom to top: a first transparent substrate; the first thin film transistor layer is arranged on the first transparent substrate; the first insulating layer is arranged on the first thin film transistor and is provided with a first through hole; the first anode metal layer is arranged on the first insulating layer and is electrically connected with the drain electrode of the first thin film transistor through the first through hole; the first photoresist layer is arranged on the first insulating layer and is arranged opposite to the first thin film transistor layer, wherein the first photoresist layer and the first anode metal layer are arranged at the same layer; the first hole transmission layer is arranged on the first anode metal layer, the first photoresist layer and the first insulating layer; a first light emitting layer disposed on the first hole transport layer; a first electron transport layer disposed on the first light emitting layer; and a first cathode layer disposed on the first electron transport layer.
In some embodiments, the second display screen sequentially includes, from bottom to top: a second transparent substrate; the second thin film transistor layer is arranged on the second transparent substrate; the second insulating layer is arranged on the second thin film transistor and is provided with a second through hole; the second anode metal layer is arranged on the second insulating layer and is electrically connected with the drain electrode of the second thin film transistor through the second through hole; the second light resistance layer is arranged on the second insulating layer and is arranged opposite to the second thin film transistor layer, wherein the second light resistance layer and the second anode metal layer are arranged at the same layer; the second hole transmission layer is arranged on the second anode metal layer, the second light resistance layer and the second insulating layer; a second light emitting layer disposed on the second hole transport layer; the second electron transport layer is arranged on the second light-emitting layer; and a second cathode layer disposed on the second electron transport layer.
In some embodiments, the third display screen sequentially includes, from bottom to top: a third transparent substrate; the third thin film transistor layer is arranged on the third transparent substrate; the third insulating layer is arranged on the third thin film transistor and is provided with a third through hole; the third anode metal layer is arranged on the third insulating layer and is electrically connected with the drain electrode of the third thin film transistor through the third through hole; a third photoresist layer disposed on the third insulating layer and opposite to the third thin film transistor layer, wherein the third photoresist layer and the third anode metal layer are disposed on the same layer; a third hole transport layer disposed on the third anode metal layer, the third photoresist layer, and the third insulating layer; a third light emitting layer disposed on the third hole transport layer; a third electron transport layer disposed on the third light emitting layer; and a third cathode layer disposed on the third electron transport layer.
In some embodiments, the full-color display device sequentially comprises a red display screen, a green display screen, a blue display screen and a polarizer; and/or sequentially comprises a red display screen, a blue display screen and a green display screen; and/or sequentially comprises a green display screen, a red display screen and a blue display screen; and/or sequentially comprises a green display screen, a blue display screen and a red display screen; and/or sequentially comprises a blue display screen, a green display screen and a red display screen; and/or sequentially comprises a blue display screen, a red display screen and a green display screen.
In some embodiments, the first, second and third display screens are identical to each other in shape and size; the first, second and third light emitting layers have the same shape and size.
In some embodiments, when the first, second and third display screens are sequentially attached, the edges of the same side of the first, second and third display screens are located in the same plane; and/or the vertex angles at the same position of the first display screen, the second display screen and the third display screen are positioned on the same straight line.
In some embodiments, the full-color display device further comprises a polarizer disposed on a side of the third display screen away from the second display screen.
In some embodiments, the cathode layer is transparent and comprises indium tin oxide and indium zinc oxide.
The beneficial effects of this application do, the surface of first, second, third hole transport layer upside of first, second, third display screen has red light emitting layer or green glow luminescent layer or blue light emitting layer by the whole face coating by vaporization, has accomplished the full-color demonstration of OLED, and its utilization efficiency to light is higher, has reached high resolution.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a full-color display panel according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a first display screen of the present application.
Fig. 3 is a schematic structural diagram of a second display screen of the present application.
Fig. 4 is a schematic structural diagram of a third display screen of the present application.
Fig. 5 is a schematic diagram of orthographic projections of the first, second, and third anode metal layers of the present application on the same horizontal plane.
Fig. 6 is a perspective view of the light-emitting layer after the first, second, and third display panels of the present application are attached.
Fig. 7 is a schematic plan view of a light emitting region in a first light emitting layer of a first display screen of the present application.
Fig. 8 is a schematic plan view of a light emitting region in the second light emitting layer of the second display screen of the present application.
Fig. 9 is a schematic plan view of a light emitting region in a third light emitting layer of a third display screen of the present application.
Fig. 10 is a schematic plan view of a light-emitting region of the full-color display panel after the first, second, and third display panels of the present application are attached to each other.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Specifically, referring to fig. 1 to 10, an embodiment of the present application provides a full-color display panel 10, where the display panel 10 may be an electronic device such as a smart phone, a tablet computer, or a display screen. This full-color display panel 10 includes from supreme first display screen 1, the second display screen 2, the third display screen 3 of laminating in proper order down.
The first display screen 1 comprises a first light-emitting layer 106 and a first anode metal layer 104 arranged below the first light-emitting layer 106, wherein the first light-emitting layer 106 is evaporated on the whole surface; the second display screen 2 comprises a second light-emitting layer 206 and a second anode metal layer 204 arranged below the second light-emitting layer 206, and the second light-emitting layer 206 is evaporated on the whole surface; the third display panel 3 includes a third light emitting layer 306 and a third anode metal layer 304 disposed below the third light emitting layer 306, and the third light emitting layer 306 is vapor-deposited on the entire surface.
As shown in fig. 2, the first display screen 1 sequentially includes from bottom to top: a first transparent substrate 101; a first thin-film transistor layer 102 disposed on the first transparent substrate 101; a first insulating layer 103 disposed on the first thin film transistor and having a first through hole; a first anode metal layer 104 disposed on the first insulating layer 103 and electrically connected to the drain of the first thin film transistor 102 through the first via hole; a first photoresist layer 109 disposed on the first insulating layer 103 and opposite to the first thin film transistor layer 102, wherein the first photoresist layer 109 is disposed on the same layer as the first anode metal layer 104; a first hole transport layer 105 disposed on the first anode metal layer 104, the first insulating layer 103 and the first photoresist layer 109; a first light-emitting layer 106 provided over the first hole-transporting layer 105; a first electron transport layer 107 disposed on the first light emitting layer 106; and a first cathode layer 108 disposed on the first electron transport layer 107.
As shown in fig. 3, the second display screen 2 sequentially includes, from bottom to top: a second transparent substrate 201; a second thin-film transistor layer 202 disposed on the second transparent substrate 201; a second insulating layer 203 disposed on the second thin film transistor 202 and having a second through hole; a second anode metal layer 204 disposed on the second insulating layer 203 and electrically connected to the drain of the second thin film transistor 202 through the second via hole; a second photoresist layer 209 disposed on the second insulating layer 203 and opposite to the second thin film transistor layer 202, wherein the second photoresist layer 209 is disposed on the same layer as the second anode metal layer 204; a second hole transport layer 205 disposed on the second anode metal layer 204, the second photoresist layer 203 and the second photoresist layer 209; a second light-emitting layer 206 disposed on the second hole transport layer 205; a second electron transport layer 207 disposed on the second light emitting layer 206; and a second cathode layer 208 disposed on the second electron transport layer 207.
As shown in fig. 4, the third display screen 3 sequentially includes, from bottom to top: a third transparent substrate 301; a third thin-film-transistor layer 302 disposed on the third transparent substrate 301; a third insulating layer 303 disposed on the third thin film transistor 302 and having a third through hole; a third anode metal layer 304 disposed on the third insulating layer 303 and electrically connected to the drain of the third tft 302 through the third via; a third photoresist layer 309 disposed on the third insulating layer 303 and opposite to the third thin film transistor layer 303, wherein the third photoresist layer 309 is disposed on the same layer as the third anode metal layer 304; a third hole transport layer 305 disposed on the third anode metal layer 304, the third insulating layer 303 and the third photoresist layer 309; a third light-emitting layer 306 disposed on the third hole transport layer 305; a third electron transport layer 307 disposed on the third light emitting layer 306; and a third cathode layer 308 disposed on the third electron transport layer 307.
The first light-emitting layer 106, the second light-emitting layer 206, and the third light-emitting layer 306 are formed of pixels of three colors of red, green, and blue, respectively, and the colors of the first light-emitting layer 106, the second light-emitting layer 206, and the third light-emitting layer 306 are different from each other.
As shown in fig. 5, three orthographic projections 401, 402, and 403 of the first anode metal layer 104, the second anode metal layer 204, and the third anode metal layer 304 on the same horizontal plane are connected to each other, that is, the first anode metal layer 104, the second anode metal layer 204, and the third anode metal layer 304 are arranged in a staggered manner.
The first light emitting layer 106, the second light emitting layer 206, and the third light emitting layer 306 regions directly above the first anode metal layer 104, the second anode metal layer 204, and the third anode metal layer 304 emit light.
As shown in fig. 7, the first light emitting layer 106 includes a light emitting region 1062 and a non-light emitting region 1061, and the first anode metal layer 104 is correspondingly disposed under the light emitting region 1062, and when the first thin film transistor 102 is turned on, the light emitting region 1062 displays a display.
As shown in fig. 8, the second light emitting layer 206 includes a light emitting region 2062 and a non-light emitting region 2061, a second anode metal layer 204 is correspondingly disposed under the light emitting region 2062, and when the second thin film transistor 202 is turned on, the light emitting region 2062 is displayed.
As shown in fig. 9, the third light emitting layer 306 includes a light emitting region 3062 and a non-light emitting region 3061, a second anode metal layer 304 is correspondingly disposed under the light emitting region 3062, and when the second thin film transistor 302 is turned on, the light emitting region 3062 is displayed.
The full-color display panel 10 includes numerous pixels, each of which includes a light-emitting region 1062, a light-emitting region 2062, and a light-emitting region 3062.
As shown in fig. 5, the total area of orthographic projections 401, 402, 403 of the first anode metal layer 104, the second anode metal layer 204, and the third anode metal layer 304 on the same horizontal plane is equal to the area of one pixel.
In an embodiment of the present application, the full-color display panel 10 sequentially includes a red display screen, a green display screen, a blue display screen, and a polarizer; and/or sequentially comprises a red display screen, a blue display screen and a green display screen; and/or sequentially comprises a green display screen, a red display screen and a blue display screen; and/or sequentially comprises a green display screen, a blue display screen and a red display screen; and/or sequentially comprises a blue display screen, a green display screen and a red display screen; and/or sequentially comprises a blue display screen, a red display screen and a green display screen.
In an embodiment of the present application, the first display screen 1, the second display screen 2, and the third display screen 3 have the same shape and size; the first light-emitting layer 106, the second light-emitting layer 206, and the third light-emitting layer 306 have the same shape and size as one another.
In an embodiment of the application, when the first display screen 1, the second display screen 2 and the third display screen 3 are sequentially attached, edges of the same side of the first display screen 1, the second display screen 2 and the third display screen 3 are located in the same plane; and/or the vertex angles at the same positions of the first display screen 1, the second display screen 2 and the third display screen 3 are positioned on the same straight line.
In an embodiment of the present application, the full-color display panel 10 further includes a polarizer 4, and the polarizer 4 is disposed on a side of the third display screen 3 away from the second display screen 2.
In an embodiment of the present application, the materials of the first cathode layer 108, the second cathode layer 208, and the third cathode layer 308 are transparent, and include indium tin oxide and indium zinc oxide.
The application also provides a display device comprising the full-color display panel 10, which comprises a first display screen 1, a second display screen 2 and a third display screen 3 which are sequentially attached from bottom to top; the first display screen 1 comprises a first light-emitting layer 106 and a first anode metal layer 104 arranged below the first light-emitting layer 106, wherein the first light-emitting layer 106 is evaporated on the whole surface; the second display screen 2 comprises a second light-emitting layer 206 and a second anode metal layer 204 arranged below the second light-emitting layer 206, and the second light-emitting layer 206 is evaporated on the whole surface; the third display panel 3 includes a third light emitting layer 306 and a third anode metal layer 304 disposed below the third light emitting layer 306, and the third light emitting layer 306 is vapor-deposited on the entire surface.
As shown in fig. 2, the first display screen 1 sequentially includes from bottom to top: a first transparent substrate 101; a first thin-film transistor layer 102 disposed on the first transparent substrate 101; a first insulating layer 103 disposed on the first thin film transistor and having a first through hole; a first anode metal layer 104 disposed on the first insulating layer 103 and electrically connected to the drain of the first thin film transistor 102 through the first via hole; a first photoresist layer 109 disposed on the first insulating layer 103 and opposite to the first thin film transistor layer 102, wherein the first photoresist layer 109 is disposed on the same layer as the first anode metal layer 104; a first hole transport layer 105 disposed on the first anode metal layer 104, the first insulating layer 103 and the first photoresist layer 109; a first light-emitting layer 106 provided over the first hole-transporting layer 105; a first electron transport layer 107 disposed on the first light emitting layer 106; and a first cathode layer 108 disposed on the first electron transport layer 107.
As shown in fig. 3, the second display screen 2 sequentially includes, from bottom to top: a second transparent substrate 201; a second thin-film transistor layer 202 disposed on the second transparent substrate 201; a second insulating layer 203 disposed on the second thin film transistor 202 and having a second through hole; a second anode metal layer 204 disposed on the second insulating layer 203 and electrically connected to the drain of the second thin film transistor 202 through the second via hole; a second photoresist layer 209 disposed on the second insulating layer 203 and opposite to the second thin film transistor layer 202, wherein the second photoresist layer 209 is disposed on the same layer as the second anode metal layer 204; a second hole transport layer 205 disposed on the second anode metal layer 204, the second photoresist layer 203 and the second photoresist layer 209; a second light-emitting layer 206 disposed on the second hole transport layer 205; a second electron transport layer 207 disposed on the second light emitting layer 206; and a second cathode layer 208 disposed on the second electron transport layer 207.
As shown in fig. 4, the third display screen 3 sequentially includes, from bottom to top: a third transparent substrate 301; a third thin-film-transistor layer 302 disposed on the third transparent substrate 301; a third insulating layer 303 disposed on the third thin film transistor 302 and having a third through hole; a third anode metal layer 304 disposed on the third insulating layer 303 and electrically connected to the drain of the third tft 302 through the third via; a third photoresist layer 309 disposed on the third insulating layer 303 and opposite to the third thin film transistor layer 303, wherein the third photoresist layer 309 is disposed on the same layer as the third anode metal layer 304; a third hole transport layer 305 disposed on the third anode metal layer 304, the third insulating layer 303 and the third photoresist layer 309; a third light-emitting layer 306 disposed on the third hole transport layer 305; a third electron transport layer 307 disposed on the third light emitting layer 306; and a third cathode layer 308 disposed on the third electron transport layer 307.
The first light-emitting layer 106, the second light-emitting layer 206, and the third light-emitting layer 306 are formed of pixels of three colors of red, green, and blue, respectively, and the colors of the first light-emitting layer 106, the second light-emitting layer 206, and the third light-emitting layer 306 are different from each other.
As shown in fig. 5, three orthographic projections 401, 402, and 403 of the first anode metal layer 104, the second anode metal layer 204, and the third anode metal layer 304 on the same horizontal plane are connected to each other, that is, the first anode metal layer 104, the second anode metal layer 204, and the third anode metal layer 304 are arranged in a staggered manner.
The first light emitting layer 106, the second light emitting layer 206, and the third light emitting layer 306 regions directly above the first anode metal layer 104, the second anode metal layer 204, and the third anode metal layer 304 emit light.
As shown in fig. 7, the first light emitting layer 106 includes a light emitting region 1062 and a non-light emitting region 1061, and the first anode metal layer 104 is correspondingly disposed under the light emitting region 1062, and when the first thin film transistor 102 is turned on, the light emitting region 1062 displays a display.
As shown in fig. 8, the second light emitting layer 206 includes a light emitting region 2062 and a non-light emitting region 2061, a second anode metal layer 204 is correspondingly disposed under the light emitting region 2062, and when the second thin film transistor 202 is turned on, the light emitting region 2062 is displayed.
As shown in fig. 9, the third light emitting layer 306 includes a light emitting region 3062 and a non-light emitting region 3061, a second anode metal layer 304 is correspondingly disposed under the light emitting region 3062, and when the second thin film transistor 302 is turned on, the light emitting region 3062 is displayed.
The full-color display panel 10 includes numerous pixels, each of which includes a light-emitting region 1062, a light-emitting region 2062, and a light-emitting region 3062.
As shown in fig. 5, the total area of orthographic projections 401, 402, 403 of the first anode metal layer 104, the second anode metal layer 204, and the third anode metal layer 304 on the same horizontal plane is equal to the area of one pixel.
In an embodiment of the present application, the full-color display panel 10 sequentially includes a red display screen, a green display screen, a blue display screen, and a polarizer; and/or sequentially comprises a red display screen, a blue display screen and a green display screen; and/or sequentially comprises a green display screen, a red display screen and a blue display screen; and/or sequentially comprises a green display screen, a blue display screen and a red display screen; and/or sequentially comprises a blue display screen, a green display screen and a red display screen; and/or sequentially comprises a blue display screen, a red display screen and a green display screen.
In an embodiment of the present application, the first display screen 1, the second display screen 2, and the third display screen 3 have the same shape and size; the first light-emitting layer 106, the second light-emitting layer 206, and the third light-emitting layer 306 have the same shape and size as one another.
In an embodiment of the application, when the first display screen 1, the second display screen 2 and the third display screen 3 are sequentially attached, edges of the same side of the first display screen 1, the second display screen 2 and the third display screen 3 are located in the same plane; and/or the vertex angles at the same positions of the first display screen 1, the second display screen 2 and the third display screen 3 are positioned on the same straight line.
In an embodiment of the present application, the full-color display panel 10 further includes a polarizer 4, and the polarizer 4 is disposed on a side of the third display screen 3 away from the second display screen 2.
In an embodiment of the present application, the materials of the first cathode layer 108, the second cathode layer 208, and the third cathode layer 308 are transparent, and include indium tin oxide and indium zinc oxide.
The full-color display panel that this application embodiment provided with contain full-color display panel's display device, including first, second, third display screen, the surface of first, second, third hole transport layer upside of first, second, third display screen is evaporated by the whole face and is had red light emitting layer or green glow luminescent layer or blue light emitting layer, has accomplished the full-color demonstration of OLED, and its utilization efficiency of setting a light is higher, has reached high resolution.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The full-color display panel and the display device including the full-color display panel provided in the embodiments of the present application are described in detail above, and a specific example is applied in the description to explain the principle and the implementation manner of the present application, and the description of the embodiments above is only used to help understanding the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A full-color display panel is characterized by comprising a first display screen, a second display screen and a third display screen which are sequentially attached from bottom to top; wherein the content of the first and second substances,
the first display screen comprises a first light-emitting layer and a first anode metal layer arranged below the first light-emitting layer, and the first light-emitting layer is evaporated on the whole surface;
the second display screen comprises a second light-emitting layer and a second anode metal layer arranged below the second light-emitting layer, and the second light-emitting layer is evaporated on the whole surface;
the third display screen comprises a third light-emitting layer and a third anode metal layer arranged below the third light-emitting layer, and the third light-emitting layer is evaporated on the whole surface;
the first, second and third light-emitting layers are respectively composed of pixels with three colors of red, green and blue, and the colors of the first, second and third light-emitting layers are different;
the three orthographic projections of the first anode metal layer, the second anode metal layer and the third anode metal layer on the same horizontal plane are connected with each other, and the total area of the orthographic projections of the first anode metal layer, the second anode metal layer and the third anode metal layer on the same horizontal plane is equal to the area of one pixel.
2. The full-color display panel according to claim 1, wherein the first display screen comprises, from bottom to top:
a first transparent substrate;
the first thin film transistor layer is arranged on the first transparent substrate;
the first insulating layer is arranged on the first thin film transistor and is provided with a first through hole;
the first anode metal layer is arranged on the first insulating layer and is electrically connected with the drain electrode of the first thin film transistor through the first through hole;
the first photoresist layer is arranged on the first insulating layer and is arranged opposite to the first thin film transistor layer, wherein the first photoresist layer and the first anode metal layer are arranged at the same layer;
the first hole transmission layer is arranged on the first anode metal layer, the first photoresist layer and the first insulating layer;
a first light emitting layer disposed on the first hole transport layer;
a first electron transport layer disposed on the first light emitting layer; and
and the first cathode layer is arranged on the first electron transmission layer.
3. The full-color display panel according to claim 1, wherein the second display screen comprises, from bottom to top:
a second transparent substrate;
the second thin film transistor layer is arranged on the second transparent substrate;
the second insulating layer is arranged on the second thin film transistor and is provided with a second through hole;
the second anode metal layer is arranged on the second insulating layer and is electrically connected with the drain electrode of the second thin film transistor through the second through hole;
the second light resistance layer is arranged on the second insulating layer and is arranged opposite to the second thin film transistor layer, wherein the second light resistance layer and the second anode metal layer are arranged at the same layer;
the second hole transmission layer is arranged on the second anode metal layer, the second light resistance layer and the second insulating layer;
a second light emitting layer disposed on the second hole transport layer;
the second electron transport layer is arranged on the second light-emitting layer; and
and the second cathode layer is arranged on the second electron transmission layer.
4. The full-color display panel according to claim 1, wherein the third display screen comprises, from bottom to top:
a third transparent substrate;
the third thin film transistor layer is arranged on the third transparent substrate;
the third insulating layer is arranged on the third thin film transistor and is provided with a third through hole;
the third anode metal layer is arranged on the third insulating layer and is electrically connected with the drain electrode of the third thin film transistor through the third through hole;
a third photoresist layer disposed on the third insulating layer and opposite to the third thin film transistor layer, wherein the third photoresist layer and the third anode metal layer are disposed on the same layer;
a third hole transport layer disposed on the third anode metal layer, the third photoresist layer, and the third insulating layer;
a third light emitting layer disposed on the third hole transport layer;
a third electron transport layer disposed on the third light emitting layer; and
and the third cathode layer is arranged on the third electron transmission layer.
5. The full-color display panel according to claim 1, comprising a red display screen, a green display screen, and a blue display screen from bottom to top;
and/or a red display screen, a blue display screen and a green display screen;
and/or a green display screen, a red display screen and a blue display screen;
and/or a green display screen, a blue display screen and a red display screen;
and/or a blue display screen, a green display screen and a red display screen;
and/or a blue display screen, a red display screen and a green display screen.
6. The full-color display panel according to claim 1, wherein the first, second, and third display panels are identical to each other in shape and size;
the first, second and third light emitting layers have the same shape and size.
7. The full-color display panel according to claim 1, wherein when the first, second and third display screens are sequentially attached, the edges of the same side of the first, second and third display screens are in the same plane;
and/or the vertex angles at the same position of the first display screen, the second display screen and the third display screen are positioned on the same straight line.
8. The full-color display panel according to claim 7, further comprising a polarizer disposed on a side of the third display screen away from the second display screen.
9. The full-color display panel according to claim 7, wherein the first, second and third cathode layers are transparent and comprise indium tin oxide and indium zinc oxide.
10. A full-color display device comprising the full-color display panel according to any one of claims 1 to 9.
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| CN201911348559.2A CN111129327A (en) | 2019-12-24 | 2019-12-24 | Full-color display panel and full-color display device |
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