WO2021218587A1 - 阵列基板及其制作方法、显示装置 - Google Patents
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- 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
- H10K59/126—Shielding, e.g. light-blocking means over the TFTs
-
- 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
- H10K50/824—Cathodes combined with auxiliary electrodes
-
- 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
- H10K59/1201—Manufacture or treatment
-
- 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
- H10K59/80522—Cathodes combined with auxiliary electrodes
-
- 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
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- 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
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
- H10K50/115—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising active inorganic nanostructures, e.g. luminescent quantum dots
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/871—Self-supporting sealing arrangements
- H10K59/8723—Vertical spacers, e.g. arranged between the sealing arrangement and the OLED
Definitions
- the array substrate includes a display area and a non-display area, the non-display area surrounds the display area, and the light-emitting layer is located in the display area;
- the display area includes a plurality of sub-pixel units Each of the plurality of sub-pixel units defines an opening area and a non-opening area, the non-opening area surrounds the opening area, and the auxiliary electrode is located in the non-opening area.
- the material of the light-emitting layer includes an organic material.
- a display device including the array substrate described in any of the foregoing embodiments.
- the transparent conductive electrode 900 covers the surface of the spacer 600 away from the package cover 820 and directly contacts the auxiliary electrode 500. In this way, connecting the auxiliary electrode 500 into a mesh structure can better reduce the resistance of the second electrode 400.
- the material for forming the transparent conductive electrode 900 may be any suitable transparent conductive oxide material such as ITO, IZO and the like.
- the array substrate 3000 may further include a planarization layer 720, and the planarization layer 720 covers the surface of the shielding layer 800 and the color resist layer 810 away from the package cover 820.
- the planarization layer 720 can planarize the surfaces of the undulating shielding layer 800 and the color resist layer 810, thereby facilitating the continued production of other structures.
- the array substrate 3000 may further include a filling layer 710 and a sealant 730.
- the filling layer 710 is filled between the transparent conductive electrode 900 and the second electrode 400, and the sealant 730 is disposed between the transparent conductive electrode 900 and the second electrode 400 and located at both ends of the transparent conductive electrode 900 and the second electrode 400.
- the materials of the sealant 730 and the filling layer 710 may be any suitable materials, which are not specifically limited in the embodiment of the present disclosure.
- the transparent conductive electrode 900 and the second electrode 400 are cured and packaged by the sealant 730, so that the package cover 820 and the array substrate on which the auxiliary electrode 500 is formed are aligned. In this way, the array substrate 3000 can be packaged and protected, so that the array substrate 3000 has the function of oxygen insulation and water resistance, and thus has a longer service life.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (20)
- 一种阵列基板,包括:衬底;第一电极,位于所述衬底上;发光层,位于所述第一电极远离所述衬底的一侧;第二电极,位于所述发光层远离所述第一电极的一侧;以及辅助电极,位于所述发光层远离所述第一电极的一侧且与所述第二电极电连接。
- 根据权利要求1所述的阵列基板,其中,所述辅助电极位于所述第二电极远离所述发光层的表面上且与所述表面直接接触。
- 根据权利要求1所述的阵列基板,其中,所述辅助电极位于所述第二电极与所述发光层之间且与所述第二电极靠近所述发光层的表面直接接触。
- 根据权利要求1-3中任一项所述的阵列基板,其中,所述第一电极为阳极,并且所述第二电极为阴极。
- 根据权利要求1-4中任一项所述的阵列基板,其中,所述阵列基板包括显示区和非显示区,所述非显示区环绕所述显示区,并且所述发光层位于所述显示区中;并且其中,所述显示区包括多个子像素单元,所述多个子像素单元中的每一个限定有开口区和非开口区,所述非开口区环绕所述开口区,并且所述辅助电极位于所述非开口区中。
- 根据权利要求1-5中任一项所述的阵列基板,其中,所述阵列基板为顶发射型阵列基板,并且所述第二电极对于所述发光层发射的光的透过率大于所述第一电极对于所述发光层发射的光的透过率。
- 根据权利要求1-6中任一项所述的阵列基板,其中,所述辅助电极的材料包括透明导电材料。
- 根据权利要求1-6中任一项所述的阵列基板,其中,所述辅助电极的材料包括不透明导电材料,并且所述辅助电极在所述衬底上的正投影与所述第一电极在所述衬底上的正投影不交叠。
- 根据权利要求1-8中任一项所述的阵列基板,还包括:封装盖板,位于所述辅助电极远离所述衬底的一侧;以及透明导电电极,位于所述封装盖板与所述辅助电极之间且与所述辅助电极电连接。
- 根据权利要求9所述的阵列基板,还包括:遮挡层,位于所述封装盖板与所述透明导电电极之间,所述遮挡层限定有多个开口,并且所述辅助电极在所述衬底上的正投影落入所述遮挡层在所述衬底上的正投影之内;以及色阻层,位于所述遮挡层限定的所述多个开口中,所述色阻层的一部分覆盖所述遮挡层的远离所述封装盖板的部分表面。
- 根据权利要求10所述的阵列基板,还包括:平坦化层,位于所述透明导电电极与所述遮挡层之间;以及隔垫物,位于所述平坦化层远离所述封装盖板的一侧且位于由所述透明导电电极限定的凹槽中,所述隔垫物在所述衬底上的正投影落入所述辅助电极在所述衬底上的正投影之内。
- 根据权利要求1-11中任一项所述的阵列基板,其中,所述发光层的材料包括有机材料。
- 根据权利要求1-11中任一项所述的阵列基板,其中,所述发光层的材料包括无机材料,所述无机材料包括量子点。
- 一种显示装置,包括根据权利要求1-13中任一项所述的阵列基板。
- 一种制作阵列基板的方法,包括:提供衬底;在所述衬底上形成第一电极;在所述第一电极远离所述衬底的一侧形成发光层;在所述发光层远离所述第一电极的一侧形成第二电极;以及在所述发光层远离所述第一电极的一侧形成辅助电极,所述辅助电极与所述第二电极电连接。
- 根据权利要求15所述的方法,其中,在所述发光层远离所述第一电极的一侧形成辅助电极的步骤包括:在所述第二电极远离所述发光层的表面上形成所述辅助电极,以使所述辅助电极与所述表面直接接触。
- 根据权利要求15所述的方法,其中,在所述发光层远离所述第一电极的一侧形成辅助电极的步骤包括:利用精细金属掩膜板在所 述发光层远离所述第一电极的一侧形成所述辅助电极。
- 根据权利要求15-17中任一项所述的方法,还包括:提供封装盖板;在所述封装盖板的一侧形成透明导电电极;以及将形成有所述透明导电电极的封装盖板与形成有所述辅助电极的阵列基板进行对盒和封装,以使所述透明导电电极与所述辅助电极电连接。
- 根据权利要求18所述的方法,在所述封装盖板的一侧形成透明导电电极的步骤之前,还包括:在所述封装盖板的一侧形成遮挡层,所述遮挡层限定有多个开口;以及在所述遮挡层限定的所述多个开口中形成色阻层,所述色阻层的一部分覆盖所述遮挡层的远离所述封装盖板的部分表面;其中,在所述对盒和封装之后,所述辅助电极在所述衬底上的正投影落入所述遮挡层在所述衬底上的正投影之内。
- 根据权利要求19所述的方法,在所述遮挡层限定的所述多个开口中形成色阻层的步骤之后,还包括:在所述遮挡层和所述色阻层远离所述封装盖板的表面上形成平坦化层;在所述平坦化层远离所述封装盖板的一侧形成隔垫物,以及在所述平坦化层远离所述封装盖板的一侧形成所述透明导电电极,所形成的透明导电电极至少覆盖所述隔垫物远离所述封装盖板的表面;其中,在所述对盒和封装之后,所述隔垫物在所述衬底上的正投影落入所述辅助电极在所述衬底上的正投影之内。
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