WO2015111119A1 - 表示装置の製造方法および表示装置 - Google Patents
表示装置の製造方法および表示装置 Download PDFInfo
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- WO2015111119A1 WO2015111119A1 PCT/JP2014/006383 JP2014006383W WO2015111119A1 WO 2015111119 A1 WO2015111119 A1 WO 2015111119A1 JP 2014006383 W JP2014006383 W JP 2014006383W WO 2015111119 A1 WO2015111119 A1 WO 2015111119A1
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- Prior art keywords
- electrode layer
- contact hole
- layer
- display device
- light emitting
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Images
Classifications
-
- 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
- H10K59/123—Connection of the pixel electrodes to the thin film transistors [TFT]
-
- 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
-
- 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
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/861—Repairing
Definitions
- the present invention relates to a display device manufacturing method and a display device.
- organic EL organic electroluminescence
- organic material EL Electro Luminescence
- a defect occurs due to foreign matter adhering to a contact portion between an anode or cathode of an organic EL element and a TFT (Thin Film Transistor) wiring connected to the cathode or anode in a manufacturing process.
- TFT Thin Film Transistor
- a dark spot pixel that always becomes a dark spot display may occur.
- a method of repairing (resolving) the defect by irradiating the defective part with laser light is employed (for example, see Patent Document 1).
- Patent Document 1 conductive foreign matter adhering to the organic EL element is detected, and laser irradiation is performed on the organic layer in the peripheral region of the foreign matter. This insulates the organic layer between the anode and cathode of the organic EL element to which foreign matter has adhered and forms a high resistance region, thereby eliminating the short circuit between the anode and the cathode due to foreign matter.
- the technique according to Patent Document 1 is a technique for eliminating a short-circuit failure between the anode and the cathode of an organic EL element by irradiating a laser beam. Since the laser beam is irradiated from the display screen side, that is, the surface side of a pixel, The irradiated area may be damaged and destroyed. In addition, when the partition is provided on the display screen side so as to cover the defective insulation part, even if laser light is irradiated from the display screen side, the laser light is not irradiated to the defective insulation part, and the defect can be solved. Have difficulty.
- an object of the present invention is to provide a display device manufacturing method and a display device capable of repairing a dark spot pixel due to an insulation failure.
- a method for manufacturing a display device includes a step of forming a first electrode layer over a substrate, and a planarization film over the first electrode layer. Forming a contact hole in the planarization film, forming a second electrode layer above the planarization film and the contact hole, and above the second electrode layer A step of forming a light emitting layer; a step of forming an upper electrode layer above the light emitting layer; and a pixel in which the first electrode layer and the second electrode layer are not in contact with each other in the contact hole. Irradiating the first electrode layer at a position other than the contact hole from the substrate side with a laser beam, and connecting the first electrode layer at the position irradiated with the laser beam to the second electrode layer; including.
- a display device includes a first electrode layer formed over a substrate and a planarization film formed over the first electrode layer.
- the second electrode layer is not in contact with the first electrode layer in the contact hole, and the first electrode layer is located at a position other than the contact hole from the substrate side.
- the present invention it is possible to provide a display device manufacturing method and a display device capable of repairing a dark spot pixel due to insulation failure.
- FIG. 1 is a cross-sectional view showing a display device according to the present embodiment.
- FIG. 2 is a cross-sectional view showing a part of the manufacturing process of the display device according to the present embodiment.
- FIG. 3 is a cross-sectional view showing a part of the manufacturing process of the display device according to the present embodiment.
- FIG. 4 is a plan view showing the irradiation position of the laser beam in the present embodiment.
- FIG. 5 is a flowchart showing a display device repair method according to the present embodiment.
- FIG. 6 is an external view of a television system including an organic EL element.
- FIG. 1 is a cross-sectional view showing a display device according to the present embodiment.
- the display device 1 includes a substrate 10, a TFT electrode layer 12 formed on the substrate 10, and a planarization film 14 formed above the TFT electrode layer 12.
- the EL electrode layer 16 formed above the planarizing film 14 and the light emitting layer 20 formed above the EL electrode layer 16 are provided, and the TFT electrode layer 12 is irradiated with laser light from the substrate 10 side. This is deformed and connected to the EL electrode layer 16. Therefore, the TFT electrode layer 12 and the EL electrode layer 16 can be connected at a portion other than the original contact portion 22, and a dark spot pixel due to an insulation failure can be repaired.
- the substrate 10 is made of, for example, a silicon substrate including a driving thin film transistor (TFT).
- TFT driving thin film transistor
- a TFT electrode layer 12 is formed on the substrate 10.
- the TFT electrode layer 12 is made of, for example, copper (Cu) and is formed to have a desired wiring shape by patterning. Note that the TFT electrode layer 12 is not limited to copper, and may be formed of other materials having good conductivity.
- the TFT electrode layer 12 corresponds to the first electrode layer according to the present disclosure.
- a planarizing film 14 is formed above the substrate 10 and the TFT electrode layer 12.
- the planarization film 14 is made of an organic material having an insulating property.
- a recess having the TFT electrode layer 12 as a bottom surface is formed in a part of the planarizing film 14, and the above-described TFT electrode layer 12 and the EL electrode layer 16 formed later on the planarizing film 14 are electrically connected.
- a contact portion 22 is provided for connection.
- An EL electrode layer 16 is formed on the planarizing film 14.
- the EL electrode layer 16 is an anode to which holes are supplied, that is, an electric current flows from an external circuit.
- the EL electrode layer 16 has a structure in which reflective electrodes made of, for example, aluminum (Al) or silver alloy APC are stacked.
- the EL electrode layer 16 may have a two-layer structure made of, for example, ITO (Indium Tin Oxide) and silver alloy APC.
- the EL electrode layer 16 corresponds to the second electrode layer in the present disclosure.
- a contact failure portion 24 is formed in the contact portion 22 for electrically connecting the TFT electrode layer 12 and the electrode layer 16.
- the defective contact portion 24 is generated, for example, when foreign matter is mixed into the contact portion 22 due to material characteristics or the excavation of the recess provided in the planarizing film 14 is insufficient in the manufacturing process. Thereby, the TFT electrode layer 12 and the electrode layer 16 are not electrically connected, and an insulation failure occurs.
- the end 12a of the TFT electrode layer 12 by irradiating the end 12a of the TFT electrode layer 12 with laser light, the end 12a is deformed to be bent toward the EL electrode layer 16 side. Thereby, the TFT electrode layer 12 is electrically connected to the EL electrode layer 16 at the end 12a.
- the laser light irradiation will be described in detail later.
- a partition wall 18 and a light emitting layer 20 are formed above the EL electrode layer 16.
- the partition wall 18 is a wall for separating the light emitting layer 20 into a plurality of light emitting regions, and adjacent pixels are separated by the partition wall 18.
- the partition wall 18 is made of, for example, a surface photosensitive resin.
- the light emitting layer 20 is a layer that emits light when a voltage is applied between the EL electrode layer 16 and a cathode (not shown) formed above the light emitting layer 20.
- the light emitting layer 20 includes, for example, ⁇ -NPD (Bis [N- (1-naphthyl) -N-phenyl] benzidine) as a lower layer and Alq 3 (tris- (8-hydroxyquinoline) aluminum) as an upper layer. It has a structured.
- the light emitting layer 20 may have a configuration including at least one of a hole transport layer, a hole injection layer, an electron transport layer, and an electron injection layer in addition to a layer formed of an organic EL. .
- An upper electrode layer 26 serving as a cathode is formed above the light emitting layer 20. Further, a thin film sealing layer, transparent glass, a color filter, etc. (not shown) are formed above the upper electrode layer 26.
- the thin film sealing layer is made of, for example, silicon nitride (SiN) and has a function of blocking the light emitting layer 20 and the upper electrode layer 26 from water vapor and oxygen. This is to prevent the light emitting layer 20 itself and the upper electrode layer 26 from being deteriorated (oxidized) by being exposed to water vapor or oxygen.
- SiN silicon nitride
- the sealing resin layer is an acrylic or epoxy resin, and has a function of joining the layer formed integrally from the planarization film 14 to the thin film sealing layer formed on the substrate and the transparent glass. Have.
- the configurations of the EL electrode layer 16, the light emitting layer 20, and the upper electrode layer 26 described above are basic configurations of the organic EL element in the display device 1. With such a configuration, when an appropriate voltage is applied between the EL electrode layer 16 and the upper electrode layer 26, holes from the EL electrode layer 16 side and electrons from the upper electrode layer 26 side respectively enter the light emitting layer 20. Injected. Due to the energy generated by recombination of these injected holes and electrons in the light emitting layer 20, the light emitting material of the light emitting layer 20 is excited and emits light.
- FIG. 4 is a plan view showing the irradiation position of the laser beam in the present embodiment.
- FIG. 5 is a flowchart showing a display device repair method according to the present embodiment. 4 is a plan view when the display device 1 is viewed from the substrate 10 side, the illustration of the substrate 10 is omitted.
- the display device 1 according to the present embodiment is manufactured as follows.
- a TFT electrode layer 12 is formed on a substrate 10 including TFTs.
- the TFT electrode layer 12 is formed by, for example, forming a Cu film on the substrate 10 by a sputtering method, and then performing a patterning process by photolithography and wet etching.
- planarizing film 14 made of an insulating organic material is formed, and then an EL electrode layer 16 is formed on the planarizing film 14.
- the EL electrode layer 16 is formed, for example, by depositing Al on the planarizing film 14 by a sputtering method and then performing a patterning process by photolithography and wet etching.
- the light emitting layer 20 is formed by laminating ⁇ -NPD and Alq 3 on the planarizing film 14 and the EL electrode layer 16 by, for example, vacuum deposition.
- the upper electrode layer 26 is formed. Specifically, the upper electrode layer 26 is formed by laminating ITO above the light emitting layer 20 by sputtering. At this time, the upper electrode layer 26 is in an amorphous state.
- the organic EL element in the display device 1 has a function as a light emitting element.
- a partition wall 18 made of a surface photosensitive resin is formed at a predetermined position. Is done. Thereby, adjacent pixels are separated by the partition wall 18.
- a thin film sealing layer, a sealing resin layer, transparent glass, and the like are formed on the upper electrode layer 26 as a protective film.
- the thin film sealing layer is formed by stacking silicon nitride by a plasma CVD method.
- the transparent glass is pressed downward from the upper surface side, heat or energy rays are added to cure the sealing resin layer, and the transparent glass and the thin film sealing layer are bonded.
- the display device 1 shown in FIG. 2 is formed by such a forming method.
- the formation process of the TFT electrode layer 12, the planarizing film 14, the EL electrode layer 16, and the light emitting layer 20 is not limited by this Embodiment.
- the pixel having the short circuit defect is a dark spot pixel having a dark spot.
- the pixel having the insulation failure is a dark spot pixel having a dark spot. Therefore, for the dark spot pixels, the insulation failure is eliminated by laser repair.
- a dark spot pixel is detected by a lighting image inspection (step S10).
- the dark pixel detection is performed by inputting a luminance signal voltage corresponding to the intermediate luminance gradation to each pixel to detect a pixel having a luminance lower than that of the normal pixel by a luminance measuring device or by visual observation. Is done.
- the detection of the dark spot pixel is not limited to the above-described method.
- the current value flowing between the EL electrode layer 16 and the upper electrode layer 26 is measured and detected based on the magnitude of the current value. Good.
- the dark spot pixels may be detected visually or may be detected from an image taken by a camera.
- the dark spot pixels are repaired from the panel surface side (step S12). That is, the light emitting layer 20 or the upper electrode layer 26 is irradiated with laser light from the light emitting layer 20 or the partition wall 18 side shown in FIG.
- the light emitting layer 20 of the organic EL element or the upper electrode layer 26 formed above the light emitting layer 20 is irradiated with laser light so as to surround the short circuit portion.
- the light emitting layer 20 or the upper electrode layer 26 of the organic EL element is increased in resistance, and the short circuit failure is eliminated. Therefore, the dark spot pixel is lit.
- the laser used for laser repair at this time is an ultrashort pulse laser, for example.
- the ultrashort pulse laser means a laser having a pulse width of several picoseconds to several femtoseconds, and specifically, a pulse width of 100 fs to 20 ps is preferable.
- an ultrashort pulse laser (generally called a femtosecond laser) having a pulse width of 800 fs is used.
- the wavelength of the laser is 900 to 2500 nm, and the output energy is 1 to 50 ⁇ J.
- the laser is irradiated, for example, on four sides (four sides) surrounding the foreign substance in the shorted position or the upper electrode layer 26 at the shorted position.
- ITO constituting a part of the upper electrode layer 26 irradiated with the laser, the constituent material of the adjacent functional layer (electron transport layer, electron injection layer, etc.), and the constituent material of the thin film sealing layer (resin etc.)
- a high resistance region in which at least one of them is mixed is formed.
- the short circuit failure of the EL electrode layer 16 and the upper electrode layer 26 is eliminated.
- the type and irradiation conditions of the laser beam are not limited to those described above, and may be changed as appropriate.
- the irradiation position of the laser light is not limited to the irradiation so as to surround the short-circuited portion, but may be a method of irradiating a part of the wiring with the laser light and cutting the wiring.
- step S10 Thereafter, all the pixels are turned on again in the same manner as shown in step S10, and the dark spot pixels are extracted by the lighting image inspection (step S14). Thereby, not only the dark dot pixel caused by the short circuit failure but also the dark dot pixel caused by the insulation failure can be detected.
- step S16 the repair process is terminated assuming that the dark spot pixel has been successfully repaired.
- step S18 repair processing is performed by irradiating the dark spot pixels with laser light from the substrate 10 side (step S18). Specifically, as shown in FIGS. 3 and 4, the end 12a of the TFT electrode layer 12 is irradiated to the end 12a of the TFT electrode layer 12 from the substrate 10 side, so that the end 12a of the TFT electrode layer 12 is on the EL electrode layer 16 side. It is deformed so that it can be bent.
- the TFT electrode layer 12 and the EL electrode layer 16 are electrically connected in the contacted part, in addition to the dark spot pixel due to the short circuit failure, the dark spot pixel due to the insulation failure can be further eliminated. . Further, by irradiating the end 12a of the TFT electrode layer 12 with laser light, the end can be easily deformed to the EL electrode layer 16 side.
- the irradiation position of the laser beam is not limited to the end portion 12a, but may be another portion of the TFT electrode layer 12.
- the center portion 12b of the TFT electrode layer 12 may be irradiated with laser light.
- the type of laser light at this time may be, for example, a YAG laser, a short pulse laser, an infrared laser, or the like. Moreover, not only a red laser but a green laser may be used. Note that it is preferable to use an infrared laser that easily transmits an object.
- step S20 Thereafter, all the pixels are turned on again, and the dark spot pixels are extracted by the lighting image inspection (step S20). At this time, if no dark spot pixel is detected (“None” in step S22), the repair process is terminated assuming that the dark spot pixel has been successfully repaired.
- step S22 If a dark spot pixel is detected again ("Yes" in step S22), a repair NG process is performed assuming that the dark spot pixel is a pixel that cannot be repaired (step S24). Specifically, it is assumed that the pixel is defective and is not used.
- the TFT electrode layer 12 when a dark spot pixel due to an insulation failure occurs, the TFT electrode layer 12 is irradiated with laser light to cause the TFT electrode layer 12 to become an EL electrode.
- the layer 16 is deformed and bent so as to be bent. Therefore, the TFT electrode layer 12 and the EL electrode layer 16 can be connected at a portion other than the original contact portion 22, and a dark spot pixel due to an insulation failure can be repaired.
- a method for manufacturing a display device includes a step of forming a first electrode layer above a substrate and a step of forming a planarization film above the first electrode layer. Forming a contact hole in the planarizing film; forming a second electrode layer above the planarizing film and the contact hole; and forming a light emitting layer above the second electrode layer A step of forming an upper electrode layer above the light emitting layer, and a pixel in which the first electrode layer and the second electrode layer are not in contact with each other in the contact hole. Irradiating the first electrode layer at a position other than the contact hole with laser light, and connecting the first electrode layer at the position irradiated with the laser light to the second electrode layer.
- the first electrode layer and the second electrode layer can be connected at a portion other than the original contact portion, and a dark spot pixel due to an insulation failure can be repaired.
- a step of irradiating the light emitting layer or the upper electrode layer with laser light from the side opposite to the substrate side may be included.
- the dark spot pixel due to the insulation failure is further added. Can be resolved.
- a step of forming a partition covering the contact hole and the second electrode layer above the contact hole may be included.
- adjacent pixels can be separated by the partition walls.
- the first electrode In the step of irradiating the first electrode layer with laser light from the substrate side to connect the first electrode layer to the second electrode layer at a position other than the contact hole, the first electrode The end of the layer may be irradiated with laser light.
- the end portion of the first electrode layer by irradiating the end portion of the first electrode layer with laser light, the end portion can be easily deformed to the second electrode layer side.
- a step of detecting a pixel in which the first electrode layer and the second electrode layer are not in contact with each other in the contact hole may be included.
- the display device is formed on the first electrode layer formed over the substrate, the planarization film formed over the first electrode layer, and the planarization film.
- a contact hole, a second electrode layer formed above the planarizing film and the contact hole, and a light emitting layer formed above the second electrode layer, and the second electrode layer Is not in contact with the first electrode layer in the contact hole, and the first electrode layer is irradiated with laser light from the substrate side to the first electrode layer at a position other than the contact hole.
- the second electrode layer is connected at the position irradiated with the laser beam.
- the first electrode layer and the second electrode layer can be connected at a portion other than the original contact portion, and a dark spot pixel due to an insulation failure can be repaired.
- a partition wall covering the contact hole and the second electrode layer may be provided above the contact hole.
- adjacent pixels can be separated by the partition walls.
- the first electrode layer may have an end portion of the first electrode layer connected to the second electrode layer.
- the end portion of the first electrode layer by irradiating the end portion of the first electrode layer with laser light, the end portion can be easily deformed to the second electrode layer side.
- the end of the first electrode layer is irradiated with laser light, but the position where the laser light is irradiated may be a portion other than the contact portion.
- the first electrode layer You may irradiate the center part of a laser beam.
- the light emitting layer may be configured to have at least one of a hole transport layer, a hole injection layer, an electron transport layer, and an electron injection layer in addition to the layer composed of organic EL.
- the type of laser light may be, for example, a YAG laser, a short pulse laser, an infrared laser, or the like. Moreover, not only a red laser but a green laser may be used. Note that it is preferable to use an infrared laser that easily transmits an object.
- an electronic device used for an organic EL display device or the like has been described.
- the present invention can also be applied.
- the electronic device configured as described above can be used as a flat panel display, and can be applied to an electronic apparatus having any display panel such as a television set, a personal computer, and a mobile phone.
- the display device according to the present invention is built in a thin flat TV as shown in FIG.
- a thin flat TV capable of displaying a highly accurate image reflecting a video signal is realized.
- the embodiment can be realized by arbitrarily combining the components and functions in each embodiment without departing from the scope of the present invention, or a form obtained by subjecting each embodiment to various modifications conceived by those skilled in the art. Forms are also included in the present invention.
- the display device according to the present invention can be widely used for mobile display devices such as flat-screen televisions, personal computers, and mobile phones.
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Abstract
Description
本発明の実施の形態に係る表示装置について説明する。図1は、本実施の形態に係る表示装置を示す断面図である。
以上のように、本出願において開示する技術の例示として、実施の形態を説明した。しかしながら、本開示における技術は、これに限定されず、適宜、変更、置き換え、付加、省略などを行った実施の形態にも適用可能である。また、上記実施の形態で説明した各構成要素を組み合わせて、新たな実施の形態とすることも可能である。
10 基板
12 TFT電極層(第1の電極層)
12a 端部(第1の電極層)
12b 中央部(第1の電極層)
14 平坦化膜
16 EL電極層(第2の電極層)
18 隔壁
20 発光層
22 コンタクト部
24 コンタクト不良部分
26 上部電極層
Claims (8)
- 基板の上方に第1の電極層を形成する工程と、
前記第1の電極層の上方に平坦化膜を形成する工程と、
前記平坦化膜にコンタクトホールを形成する工程と、
前記平坦化膜および前記コンタクトホールの上方に第2の電極層を形成する工程と、
前記第2の電極層の上方に発光層を形成する工程と、
前記発光層の上方に上部電極層を形成する工程と、
前記コンタクトホールにおいて前記第1の電極層と前記第2の電極層とが接触していない画素において、前記基板側から前記コンタクトホール以外の位置の前記第1の電極層にレーザー光を照射して、前記レーザー光を照射した位置の前記第1の電極層を前記第2の電極層に接続する工程とを含む
表示装置の製造方法。 - 前記基板側から前記第1の電極層にレーザー光を照射する前に、さらに、前記基板側と反対側から前記発光層または前記上部電極層にレーザー光を照射する工程を含む
請求項1に記載の表示装置の製造方法。 - 前記コンタクトホールの上方に、前記コンタクトホールおよび前記第2の電極層を覆う隔壁を形成する工程を含む
請求項1または2に記載の表示装置の製造方法。 - 前記基板側から前記第1の電極層にレーザー光を照射して前記第1の電極層を前記コンタクトホール以外の位置で前記第2の電極層に接続する工程において、前記第1の電極層の端部にレーザー光を照射する
請求項1~3のいずれか1項に記載の表示装置の製造方法。 - 前記基板側から前記第1の電極層にレーザー光を照射して前記第1の電極層を前記コンタクトホール以外の位置で前記第2の電極層に接続する工程の前に、さらに、前記コンタクトホールにおいて前記第1の電極層と前記第2の電極層とが接触していない画素を検出する工程を含む
請求項1~4のいずれか1項に記載の表示装置の製造方法。 - 基板上に形成された第1の電極層と、
前記第1の電極層の上方に形成された平坦化膜と、
前記平坦化膜に形成されたコンタクトホールと、
前記平坦化膜および前記コンタクトホールの上方に形成された第2の電極層と、
前記第2の電極層の上方に形成された発光層とを備え、
前記第2の電極層は、前記コンタクトホールにおいて前記第1の電極層と接触しておらず、
前記第1の電極層は、前記基板側から前記コンタクトホール以外の位置の前記第1の電極層にレーザー光を照射されることにより、前記レーザー光を照射された位置において前記第2の電極層と接続されている
表示装置。 - 前記コンタクトホールの上方に、前記コンタクトホールおよび前記第2の電極層を覆う隔壁を備える
請求項6に記載の表示装置。 - 前記第1の電極層は、前記第1の電極層の端部が前記第2の電極層と接続されている
請求項6または7に記載の表示装置。
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JP2003015549A (ja) * | 2001-07-02 | 2003-01-17 | Matsushita Electric Ind Co Ltd | 表示装置及びその製造方法 |
JP2003022035A (ja) * | 2001-07-10 | 2003-01-24 | Sharp Corp | 有機elパネルおよびその製造方法 |
JP2006093220A (ja) * | 2004-09-21 | 2006-04-06 | Mitsubishi Electric Corp | アクティブマトリクス型表示装置およびその製造方法 |
JP2007207962A (ja) * | 2006-02-01 | 2007-08-16 | Seiko Epson Corp | 発光装置、発光装置の製造方法および電子機器 |
JP2008188638A (ja) * | 2007-02-05 | 2008-08-21 | Sony Corp | 欠陥修正装置、配線基板の製造方法、ディスプレイ装置の製造方法 |
JP2009186844A (ja) * | 2008-02-07 | 2009-08-20 | Sony Corp | 薄膜トランジスタ基板およびその欠陥修復方法、並びに表示装置 |
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JP3687309B2 (ja) * | 1997-10-02 | 2005-08-24 | カシオ計算機株式会社 | 液晶パネルの欠陥修正方法 |
JP2005250448A (ja) * | 2004-02-05 | 2005-09-15 | Sharp Corp | 電子素子、表示素子及びその製造方法 |
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JP2003015549A (ja) * | 2001-07-02 | 2003-01-17 | Matsushita Electric Ind Co Ltd | 表示装置及びその製造方法 |
JP2003022035A (ja) * | 2001-07-10 | 2003-01-24 | Sharp Corp | 有機elパネルおよびその製造方法 |
JP2006093220A (ja) * | 2004-09-21 | 2006-04-06 | Mitsubishi Electric Corp | アクティブマトリクス型表示装置およびその製造方法 |
JP2007207962A (ja) * | 2006-02-01 | 2007-08-16 | Seiko Epson Corp | 発光装置、発光装置の製造方法および電子機器 |
JP2008188638A (ja) * | 2007-02-05 | 2008-08-21 | Sony Corp | 欠陥修正装置、配線基板の製造方法、ディスプレイ装置の製造方法 |
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