WO2015169047A1 - Oled显示面板及应用其的oled显示装置 - Google Patents
Oled显示面板及应用其的oled显示装置 Download PDFInfo
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- WO2015169047A1 WO2015169047A1 PCT/CN2014/088076 CN2014088076W WO2015169047A1 WO 2015169047 A1 WO2015169047 A1 WO 2015169047A1 CN 2014088076 W CN2014088076 W CN 2014088076W WO 2015169047 A1 WO2015169047 A1 WO 2015169047A1
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- cathode
- oled display
- spacer
- display panel
- auxiliary electrode
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- 239000000758 substrate Substances 0.000 claims abstract description 102
- 125000006850 spacer group Chemical group 0.000 claims description 61
- 230000000994 depressogenic effect Effects 0.000 claims description 13
- 239000010408 film Substances 0.000 description 16
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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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
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8428—Vertical spacers, e.g. arranged between the sealing arrangement and the OLED
-
- 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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
-
- 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
- H10K59/80—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
- 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
-
- 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
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8423—Metallic sealing arrangements
-
- 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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
-
- 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
- H10K59/8721—Metallic sealing arrangements
-
- 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
- H10K59/8722—Peripheral sealing arrangements, e.g. adhesives, sealants
Definitions
- Embodiments of the present invention relate to an OLED display panel and an OLED display device using the same.
- the organic light emitting diode (OLED) display panel has the advantages of self-luminous, fast response, wide viewing angle, high brightness, colorful, light and thin, and has been widely recognized by people.
- the structure of an OLED generally includes an anode layer, a cathode layer, and a light-emitting layer disposed between the anode layer and the cathode layer.
- the luminescence mechanism of the OLED is: when a voltage is applied between the anode layer and the cathode layer, the hole injected from one side of the anode layer overcomes the interface barrier and is transmitted to the luminescent layer under the driving of the external voltage, and the cathode layer The electrons injected on one side overcome the interface barrier and are transmitted into the luminescent layer.
- the holes and electrons reaching the luminescent layer recombine to form excitons in the luminescent layer, and the exciton radiation illuminates to generate luminescence, that is, electroluminescence.
- the OLED display panel can be divided into two types: top emission and bottom emission; the OLED display panel includes a pixel array.
- the cathode In order to increase the transmittance of light, the cathode needs to use a thin transparent conductive material, but the thin transparent cathode has a large square resistance, and a large voltage drop occurs when current flows through the cathode. Therefore, the distance from the power supply point is higher. The smaller the cathode voltage obtained on the far pixel, the lower the display luminance of the pixel is compared to the display luminance of the pixel closer to the power supply point, thereby making the luminance uniformity of the OLED display device worse.
- At least one embodiment of the present invention provides an OLED display panel and an OLED display device using the same, which can avoid an open circuit between the auxiliary electrode and the cathode which is easily caused by excessive pressure on the box in the top emission type OLED display panel.
- At least one embodiment of the present invention provides an OLED display panel, comprising: an array substrate, the array substrate is covered with a cathode; a color filter substrate, an auxiliary electrode is formed on the color filter substrate; and the color filter substrate is disposed on the color filter substrate Contact structure between the array substrates.
- the contact structure makes the cathode And the auxiliary electrode is electrically connected, and an area of the contact structure and the contact portion of the array substrate is greater than or equal to an area of the contact portion of the auxiliary electrode and the contact structure.
- the contact structure includes a spacer formed on the color filter substrate and a transparent conductive film, the spacer being formed on the auxiliary electrode, the transparent conductive film covering the substrate a surface of the color filter substrate, and covering at least the surface of the spacer and the auxiliary electrode not blocked by the spacer; the pixel defining layer of the array substrate has a depression corresponding to the spacer
- the cathode is also covered on the surface of the recess; the surface of the color filter substrate covering the transparent conductive film is inserted into the surface of the array substrate and covered with the recess of the cathode in.
- the surface shape of the depressed portion after the surface covers the cathode matches the surface shape of the spacer after the surface contained therein covers the transparent conductive film.
- a conductive paste is filled between the spacer after the surface of the recessed portion covering the transparent conductive film and the cathode in the recess.
- the contact structure includes a spacer formed on a flat layer of the color filter substrate, the auxiliary electrode is located at a top end of the spacer; and a pixel defining layer of the array substrate a position corresponding to the spacer has a depressed portion; the cathode further covers the surface of the recess; the end of the color filter substrate is formed with a spacer of the auxiliary electrode inserted into the surface of the array substrate Covered in the recess of the cathode.
- a surface of the array substrate covers a surface shape of the depressed portion after the cathode, and a surface shape of the spacer formed with the auxiliary electrode at an end portion of the color filter substrate accommodated therein match.
- the spacer accommodated in the end portion of the depressed portion is formed with the auxiliary electrode, and the conductive paste is filled between the cathode in the depressed portion.
- a gap between the array substrate and the color filter substrate is filled with a transparent conductive paste, and the transparent conductive paste is at least filled between the auxiliary electrode and the cathode to form The contact structure.
- At least one embodiment of the present invention provides an OLED display device including the above OLED display panel.
- FIG. 1 is a schematic structural view of an OLED display panel
- FIG. 2 is a schematic structural diagram of an OLED display panel according to an embodiment of the present invention.
- FIG. 3 is a schematic structural view of the OLED display panel shown in FIG. 2 after the pair of boxes;
- FIG. 4 is a schematic structural diagram of an OLED display panel according to another embodiment of the present invention.
- FIG. 5 is a schematic structural view of the OLED display panel shown in FIG.
- FIG. 6 is a schematic structural diagram of an OLED display panel according to still another embodiment of the present invention.
- the array substrate includes a thin film transistor device layer (not shown in FIG. 1) formed on the first substrate 101, an anode 103, a pixel defining layer 104, a light emitting layer 105, and a cathode 106; and the color filter substrate is formed on the second substrate 107.
- the pixel defining layer 104 corresponds to the position of the black matrix 108.
- the luminescent layer 105 When the OLED display panel is in operation, by applying a voltage between the anode 103 and the cathode 106, the luminescent layer 105 is excited to emit light, and the light (as indicated by a hollow arrow in FIG. 1) is from the transparent cathode 106 and the top color filter substrate. Through, the top emission is achieved.
- the OLED display panel comprises a plurality of pixel arrays composed of pixels shown in FIG. 1.
- the anodes 103 of each pixel are separated by a pixel defining layer 104 to be electrically insulated from each other, and the anode of each pixel obtains an electrical signal through a thin film transistor connected thereto.
- the luminescent layer 105 and the cathode 106 cover the entire pixel array, and the cathode is powered by a power source located on one side of the pixel array.
- a small resistance can be set on the flat layer of the color filter substrate.
- the auxiliary electrode 111 is used to reduce the resistance of the cathode 106, as shown in FIG.
- a spacer 112 is formed on the auxiliary electrode 111 for preventing damage to the surface of the substrate due to hard contact between the two substrates when the color filter substrate and the array substrate are opposed to each other.
- the surface of the color filter substrate is further covered with a transparent conductive layer 113 for realizing electrical connection between the auxiliary electrode 111 and the cathode 106 after the color film substrate and the array substrate are paired.
- the inventors have found that when the OLED display panel shown in FIG. 1 is manufactured, since the spacer 112 formed on the auxiliary electrode 111 has an elongated tapered structure, the area of the tip is small, so when the color filter substrate and the array When the substrate is facing the box, the transparent conductive layer covered by the top of the spacer contacts the array substrate. Since the top surface area of the spacer is small, the area of the contact portion is significantly smaller than the area of the auxiliary electrode facing the surface of the array substrate, and a large pressure is applied to the spacer.
- the pressure applied to the top end of the spacer 112 is large, and the transparent conductive layer 113 located at the top end of the spacer 112 is subjected to a large pressure and is easily broken, thereby easily causing an open circuit between the cathode and the auxiliary electrode.
- the OLED display panel includes an array substrate 21 and a color filter substrate 22.
- the array substrate 21 is covered with a cathode 211, and the auxiliary film 221 is formed on the color filter substrate 22.
- the OLED display panel further includes a contact structure disposed between the color filter substrate 22 and the array substrate 21, the contact structure electrically connecting the cathode 211 and the auxiliary electrode 221, and an area of the contact portion of the contact structure with the array substrate 21 is larger than the auxiliary electrode 221 The area of the portion in contact with the contact structure.
- the contact structure can electrically connect the auxiliary electrode and the cathode, and an area of the contact portion of the contact structure and the array substrate is larger than an area where the auxiliary electrode contacts the contact structure, so that the contact structure
- the contact area with the cathode covered by the surface of the array substrate has an increased contact area.
- the contact structure may include a spacer 23 and a transparent conductive film 24 formed on the color filter substrate 22, and the spacer 23 is formed on the auxiliary electrode 221, and is transparent.
- the conductive film 24 covers the surface of the color filter substrate 22 and covers at least the surface of the spacer 23 and the auxiliary electrode 221 which is not blocked by the spacer 23.
- the pixel defining layer 212 of the array substrate 21 has a recess D at a position corresponding to the spacer 23; the cathode 211 also covers the surface inside the recess D.
- the structure of the front array substrate 21, the color filter substrate 22 and the contact structure is shown in FIG. 2, so that the surface of FIG. 2 covers the spacer 23 of the transparent conductive film 24.
- the recess D in which the surface is covered with the cathode 211 is not inserted.
- the structure of the OLED display panel described in this embodiment is a structure behind the box, as shown in FIG.
- the contact portion of the transparent conductive film 24 and the cathode 211 in the depressed portion D is the contact portion of the above-described contact structure with the array substrate. Since the contact portion includes not only the surface of the transparent conductive layer 24 covered by the top of the spacer 23 but also the surface of the transparent conductive layer 24 covered by the side wall of the spacer 23, the area of the contact portion is significantly increased, which is larger than the auxiliary electrode 221 and The area of the contact portion 23 of the spacer 23 (i.e., the portion of the auxiliary electrode that is in contact with the contact structure). When the spacer 23 is stressed, the pressure applied to the transparent conductive layer 24 is greatly reduced, thereby reducing the risk of breakage between the auxiliary electrode 221 and the cathode 211 caused by the breakage of the transparent conductive layer 24.
- the surface shape of the depressed portion D after the surface covers the cathode 211 is matched, for example, to the surface shape of the spacer 23 after the surface accommodated therein covers the transparent conductive film 24.
- the transparent conductive film 24 is brought into close contact with the cathode without gaps, preventing an increase in contact resistance.
- the conductive paste 25 may be filled between the spacer 23 after the surface of the recessed portion D is covered with the transparent conductive film 24 and the cathode 211 of the recessed portion D. Therefore, when there is a gap between the transparent conductive film 24 and the cathode 211 which is not in close contact, the gap is filled with the conductive paste 25 to prevent an increase in contact resistance.
- the contact structure may include a spacer 23 formed on the flat layer 222 of the color filter substrate 22, and the auxiliary electrode 221 is located at the top end of the spacer 23;
- the pixel defining layer 212 of the substrate 21 has a recess D at a position corresponding to the spacer 23; the cathode 211 also covers the surface inside the recess D.
- the specific structure of the front array substrate 21, the color filter substrate 22 and the contact structure is shown in FIG. 4, so that the spacer of the auxiliary electrode 221 is formed at the end portion in FIG.
- the object 23 is not inserted into the recess D whose surface is covered with the cathode 211.
- the structure of the OLED display panel described in this embodiment is a structure behind the box, as shown in FIG.
- the contact portion of the spacer 23 and the cathode 211 in the recess D is the above-mentioned contact structure The portion in contact with the array substrate. Since the contact portion includes a portion of the side wall surface of the spacer 23, the area of the contact portion is significantly increased larger than the area of the contact portion of the auxiliary electrode 221 with the spacer 23 (i.e., the portion where the auxiliary electrode is in contact with the contact structure).
- the spacer 23 and the cathode 211 in the recess D are There is no need to provide a transparent conductive layer, so that when the spacer 23 is stressed, there is no problem that the transparent conductive layer is broken, thereby avoiding the disconnection between the auxiliary electrode 221 and the cathode 211 caused by excessive pressure on the cartridge. problem.
- the surface shape of the depressed portion D after the surface covers the cathode 211 is matched, for example, to the surface shape of the spacer 23 in which the auxiliary electrode 221 is formed at the end portion accommodated therein.
- the auxiliary electrode 221 and the spacer 23 are brought into close contact with the cathode 211 without a gap, and an increase in contact resistance between the auxiliary electrode 221 and the cathode 211 is prevented.
- the spacer 23 in which the auxiliary electrode 221 is formed at the end portion of the recess portion D is accommodated, and the conductive paste 25 may be filled between the cathode 211 in the recess portion D. Therefore, when there is a gap between the auxiliary electrode 221 and the cathode 211 which cannot be in close contact, the gap is filled with the conductive paste 25 to prevent an increase in contact resistance.
- the gap between the array substrate 21 and the color filter substrate 22 is filled with a transparent conductive paste 25, and the transparent conductive paste 25 is filled at least at the auxiliary electrode 221 and the cathode 211. Between to form a contact structure.
- the area of the contact structure formed by the transparent conductive paste 25 and the array substrate 21 is equal to the contact structure formed by the transparent conductive paste 25 and the auxiliary electrode 221 The area of the contact part.
- the transparent conductive paste 25 is filled in the entire gap between the array substrate 21 and the color filter substrate 22, the area of the contact portion formed by the transparent conductive paste 25 and the array substrate 21 is larger than that formed by the transparent conductive paste 25. The area of the contact portion of the contact structure with the auxiliary electrode 221.
- the auxiliary electrode 221 on the color filter substrate 22 can be electrically contacted with the cathode 211 through the transparent conductive paste 25, it is not necessary to provide a transparent conductive layer between the auxiliary electrode 221 and the cathode 211.
- the transparent conductive adhesive 25 has a strong deformability, even when the transparent conductive adhesive 25 is subjected to a large pressure, the transparent conductive adhesive 25 does not undergo being crushed, thereby avoiding the assistance caused by excessive pressure on the cartridge. The problem of disconnection between the electrode 221 and the cathode 211.
- At least one embodiment of the present invention also provides an OLED display device including the OLED display panel described in any of the embodiments of the present invention. Since the probability of an open circuit between the auxiliary electrode and the cathode in the OLED display panel is significantly reduced, the OLED display device can have significantly improved display performance.
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Abstract
Description
Claims (11)
- 一种OLED显示面板,包括:阵列基板,所述阵列基板上覆盖有阴极,彩膜基板,所述彩膜基板上形成有辅助电极,设置于所述彩膜基板与所述阵列基板之间的接触结构,其中,所述接触结构配置来所述阴极和所述辅助电极电连接,且所述接触结构与所述阵列基板接触部分的面积大于或等于所述辅助电极与所述接触结构接触部分的面积。
- 根据权利要求1所述的OLED显示面板,其中,所述接触结构包括形成在所述彩膜基板上的隔垫物和透明导电薄膜,所述隔垫物形成在所述辅助电极上,所述透明导电薄膜覆盖所述彩膜基板的表面且至少覆盖所述隔垫物表面及未被所述隔垫物遮挡的所述辅助电极。
- 根据权利要求2所述的OLED显示面板,其中,所述阵列基板的像素界定层中对应所述隔垫物的位置具有凹陷部;所述阴极还覆盖在所述凹陷部内的表面上;所述彩膜基板的表面覆盖所述透明导电薄膜的隔垫物插入到所述阵列基板的表面覆盖有所述阴极的所述凹陷部中。
- 根据权利要求3所述的OLED显示面板,其中,所述阵列基板的表面覆盖所述阴极后的凹陷部的表面形状,与容纳在其中的所述彩膜基板的表面覆盖所述透明导电薄膜后的隔垫物的表面形状匹配。
- 根据权利要求3或4所述的OLED显示面板,其中,容纳在所述凹陷部中的表面覆盖所述透明导电薄膜后的所述隔垫物与所述凹陷部中的阴极之间填充有导电胶。
- 根据权利要求1所述的OLED显示面板,其中,所述接触结构包括形成在所述彩膜基板的平坦层上的隔垫物,所述辅助电极位于所述隔垫物的顶端。
- 根据权利要求6所述的OLED显示面板,其中,所述阵列基板的像素界定层上对应所述隔垫物的位置具有凹陷部;所述阴极还覆盖在所述凹陷部表面;所述彩膜基板的端部形成有所述辅助电极的隔垫物插入到所述阵列基板的表面覆盖有所述阴极的所述凹陷部中。
- 根据权利要求7所述的OLED显示面板,其中,所述阵列基板的表面覆盖所述阴极后的凹陷部的表面形状,与容纳在其中的所述彩膜基板的端部形成有所述辅助电极的隔垫物的表面形状匹配。
- 根据权利要求7或8所述的OLED显示面板,其中,容纳在所述凹陷部中端部形成有所述辅助电极的所述隔垫物,与所述凹陷部中的阴极之间填充有导电胶。
- 根据权利要求1所述的OLED显示面板,其中,所述阵列基板与所述彩膜基板之间的空隙中填充有透明导电胶,所述透明导电胶至少填充在所述辅助电极与所述阴极之间,以形成所述接触结构。
- 一种OLED显示装置,包括权利要求1-10任一项所述的OLED显示面板。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US14/435,970 US9793508B2 (en) | 2014-05-09 | 2014-10-01 | OLED display panel and OLED display device applying it |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201410194343.6A CN103972270B (zh) | 2014-05-09 | 2014-05-09 | Oled显示面板及应用其的oled显示装置 |
CN201410194343.6 | 2014-05-09 |
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WO2015169047A1 true WO2015169047A1 (zh) | 2015-11-12 |
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PCT/CN2014/088076 WO2015169047A1 (zh) | 2014-05-09 | 2014-10-01 | Oled显示面板及应用其的oled显示装置 |
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US (1) | US9793508B2 (zh) |
CN (1) | CN103972270B (zh) |
WO (1) | WO2015169047A1 (zh) |
Cited By (2)
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CN106935724A (zh) * | 2015-12-29 | 2017-07-07 | 昆山国显光电有限公司 | Oled显示面板的封装结构及封装方法 |
CN112786805A (zh) * | 2021-01-08 | 2021-05-11 | 深圳市华星光电半导体显示技术有限公司 | Oled显示装置 |
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CN103972270B (zh) | 2014-05-09 | 2016-03-02 | 京东方科技集团股份有限公司 | Oled显示面板及应用其的oled显示装置 |
US10141383B2 (en) * | 2014-07-29 | 2018-11-27 | Lg Display Co., Ltd. | Organic light emitting display device and method for manufacturing the same |
KR102422960B1 (ko) * | 2014-12-29 | 2022-07-21 | 삼성디스플레이 주식회사 | 유기발광 표시장치 및 그 제조방법 |
CN104821329A (zh) * | 2015-05-04 | 2015-08-05 | 深圳市华星光电技术有限公司 | Oled显示装置 |
KR20170040425A (ko) * | 2015-10-02 | 2017-04-13 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 그 제조 방법 |
CN105244315B (zh) * | 2015-10-08 | 2018-07-10 | 上海和辉光电有限公司 | 显示面板结构及制备方法 |
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US20160181566A1 (en) | 2016-06-23 |
US9793508B2 (en) | 2017-10-17 |
CN103972270A (zh) | 2014-08-06 |
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