JP2003045652A - Oled display - Google Patents
Oled displayInfo
- Publication number
- JP2003045652A JP2003045652A JP2001229182A JP2001229182A JP2003045652A JP 2003045652 A JP2003045652 A JP 2003045652A JP 2001229182 A JP2001229182 A JP 2001229182A JP 2001229182 A JP2001229182 A JP 2001229182A JP 2003045652 A JP2003045652 A JP 2003045652A
- Authority
- JP
- Japan
- Prior art keywords
- film
- oled
- electrode
- gas barrier
- resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920005989 resin Polymers 0.000 claims abstract description 23
- 239000011347 resin Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 16
- 230000004888 barrier function Effects 0.000 claims abstract description 14
- 239000000853 adhesive Substances 0.000 claims abstract description 11
- 230000001070 adhesive effect Effects 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000012943 hotmelt Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 abstract description 11
- 239000001301 oxygen Substances 0.000 abstract description 11
- 239000007789 gas Substances 0.000 abstract description 8
- 239000011521 glass Substances 0.000 abstract description 5
- 239000002274 desiccant Substances 0.000 abstract description 4
- 239000010408 film Substances 0.000 description 54
- 230000000903 blocking effect Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009751 slip forming Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000005525 hole transport Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 101100321669 Fagopyrum esculentum FA02 gene Proteins 0.000 description 1
- 239000004840 adhesive resin Substances 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/873—Encapsulations
Landscapes
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ＯＬＥＤ素子を備
えてなるＯＬＥＤディスプレイの構成に関する。（ＯＬ
ＥＤは、オーガニック・ライティング・エミッション・
ダイオードの略称である。）BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of an OLED display including an OLED element. (OL
ED is Organic Lighting Emissions
Abbreviation for diode. )
【０００２】[0002]
【従来の技術】互いに対向する一対の電極間に、ＯＬＥ
Ｄ層が挟持され、このＯＬＥＤ層に一方の電極（陰極）
から電子が注入されるとともに、他方の電極（陽極）か
ら正孔が注入されることにより、ＯＬＥＤ層内で電子と
正孔とが結合して発光するＯＬＥＤ素子は、視認性及び
耐衝撃性に優れているとともに、ＯＬＥＤ層を形成する
有機物の発光色が多様である等の利点を有することか
ら、例えば各種情報産業機器用のディスプレイや光源に
好適に用いられている。2. Description of the Related Art An OLE is provided between a pair of electrodes facing each other.
The D layer is sandwiched, and one electrode (cathode) is placed on this OLED layer.
The electron is injected from the electrode and the hole is injected from the other electrode (anode) to combine the electron and the hole in the OLED layer to emit light. Therefore, the OLED element has high visibility and impact resistance. Since it is excellent and has various advantages such as various emission colors of organic substances forming the OLED layer, it is preferably used for displays and light sources for various information industrial equipment.
【０００３】ここで、発光層に利用する固体有機系のＯ
ＬＥＤ材料は、一般に水分や酸素等に侵されやすく、大
気中でＯＬＥＤ素子を駆動すると、その発光特性が急激
に劣化する。そこで、ＯＬＥＤ素子では、素子自体を密
閉して大気から隔離している。加えて、密閉雰囲気を不
活性ガス等で置換するようにしている。このような密閉
構造は、例えば特開平９−１４８０６６号公報や特開平
１０−２７５６７９号公報に開示されている。Here, the solid organic O used for the light emitting layer is used.
LED materials are generally easily affected by moisture, oxygen, etc., and when the OLED element is driven in the atmosphere, the light emitting characteristics thereof are rapidly deteriorated. Therefore, in the OLED element, the element itself is hermetically sealed and isolated from the atmosphere. In addition, the closed atmosphere is replaced with an inert gas or the like. Such a closed structure is disclosed, for example, in Japanese Patent Laid-Open Nos. 9-148066 and 10-275679.
【０００４】[0004]
【発明が解決しようとする課題】しかし、この密閉され
た気密性容器は貼り合わせ構造で、接着にUV硬化樹脂を
用いるのが一般的で、気密性容器内による空間に不活性
ガスがあるため、ＯＬＥＤ素子の発熱、停止後の冷却の
繰り返しで接着樹脂部から呼吸することになり、樹脂の
性質上、経年的に酸素、湿気の侵入は免れない。 その
ために乾燥剤を封入するなど対策しているが、寿命が若
干伸びるにすぎない。また、極めて薄く形成できるＯＬ
ＥＤ素子が、乾燥剤を含む密閉構造のため厚みのあるデ
ィスプレイになっていた。However, this hermetically sealed airtight container has a laminated structure, and a UV curable resin is generally used for adhesion, because the space inside the airtight container has an inert gas. As a result of repeated heat generation of the OLED element and cooling after stoppage, breathing from the adhesive resin portion occurs, and due to the nature of the resin, invasion of oxygen and moisture cannot be avoided over the years. Therefore, measures such as enclosing a desiccant are taken, but the life is only slightly extended. Also, an OL that can be formed extremely thin
The ED element was a thick display due to the closed structure containing a desiccant.
【０００５】以上のような課題を解決するために、空間
を構成せず、乾燥剤不要の密閉構造を可能にし、極めて
薄いＯＬＥＤディスプレイを提供することを目的とす
る。In order to solve the above problems, it is an object of the present invention to provide an extremely thin OLED display that does not form a space and enables a sealed structure that does not require a desiccant.
【０００６】[0006]
【課題を解決するための手段】本発明のＯＬＥＤディス
プレイは、光透過性基板上に形成した第１の電極と、上
記第１の電極を形成した基板上に成膜したＯＬＥＤ材料
を含むＯＬＥＤ膜と、上記ＯＬＥＤ膜上に形成する第２
の電極と、ガスバリア性の封止フィルムと、上記第２の
電極形成後、真空中で上記光透過性基板と封止フィルム
を貼り合わせ接着する接着材とからなり、真空中で封止
フィルムを接着材を介して貼り付け、密着させる構成の
ため、ＯＬＥＤ膜と封止フィルムの間に空間はなく、外
気から完全に遮断することが可能で、極めて薄いＯＬＥ
Ｄディスプレイを提供できる。The OLED display of the present invention is an OLED film including a first electrode formed on a light transmissive substrate and an OLED material formed on the substrate on which the first electrode is formed. And a second layer formed on the OLED film
Electrode, a gas barrier sealing film, and an adhesive material that bonds and bonds the light-transmissive substrate and the sealing film in vacuum after forming the second electrode. Due to the structure in which the OLED film and the sealing film are adhered and adhered via an adhesive material, there is no space between the OLED film and the encapsulating film, and it is possible to completely shield the air from the outside air.
A D display can be provided.
【０００７】[0007]
【発明の実施の形態】以下、図面を用いて本発明の実施
の形態について説明する。
（実施の形態１）請求項１及び請求項２記載のＯＬＥＤ
ディスプレイに関して、その実施形態を図１に基づいて
説明する。図１において、ガラスなどの光透過性基板１
上に第１の電極２を形成し、上記第１の電極２上に正孔
輸送層３、ＯＬＥＤ層４、電子輸送層５をこの順に連続
成膜し、ＯＬＥＤ材料を含むＯＬＥＤ膜６を積層する。
上記ＯＬＥＤ膜６上に電子注入層７と金属などの導電性
材料８を連続成膜し、第２の電極９を形成する。一方湿
気や酸素を遮断するガスバリア性の高い封止フィルム１
０の周辺の外周に接着材１１として紫外線硬化樹脂１２
を塗布し、上記ＯＬＥＤ膜６を積層した光透過性基板１
と真空チャンバー内で貼り付け、ＯＬＥＤ膜６を積層し
た画素部を保護するマスクを介して紫外線を照射し、硬
化接着させる。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. (Embodiment 1) OLED according to claim 1 and claim 2
An embodiment of the display will be described with reference to FIG. In FIG. 1, a light transmissive substrate 1 such as glass
The first electrode 2 is formed on the first electrode 2, and the hole transport layer 3, the OLED layer 4, and the electron transport layer 5 are continuously formed on the first electrode 2 in this order, and the OLED film 6 containing the OLED material is laminated. To do.
An electron injection layer 7 and a conductive material 8 such as a metal are continuously formed on the OLED film 6 to form a second electrode 9. On the other hand, a sealing film with high gas barrier properties that blocks moisture and oxygen 1
UV curable resin 12 as an adhesive material 11 around the periphery of 0
A light-transmissive substrate 1 in which the OLED film 6 is laminated by coating
Then, the film is attached in a vacuum chamber, and ultraviolet rays are radiated through a mask that protects the pixel portion on which the OLED film 6 is laminated to cure and adhere.
【０００８】以上の構成で酸素、湿気などで劣化しやす
いＯＬＥＤ膜６に対して、湿気や酸素を遮断するガスバ
リア性の高い封止フィルム１０を真空中で貼り付け密閉
させることで、極めて信頼性の高い長寿命で薄いＯＬＥ
Ｄディスプレイを提供できる。 また、接着材１１とし
て紫外線硬化樹脂１２を使用することにより、低温で接
着することができ、ＯＬＥＤ膜６への温度ダメージも防
ぐことができる。
（実施の形態２）次に請求項３及び請求項４記載のＯＬ
ＥＤディスプレイに関して、その実施形態を図２に基づ
いて説明する。図２において封止フィルム１０は接着材
１１として約１００℃で溶解するホットメルト樹脂膜１
３と、湿気や酸素を遮断するガスバリア性の高いアルミ
金属膜１４と、上記金属膜１４を挟み込んで保護する樹
脂膜１５との積層構造で構成され、上記ＯＬＥＤ膜６を
積層した光透過性基板１と真空チャンバー内でホットメ
ルト樹脂膜１３を光透過性基板１側の合わせ面として貼
り付け、光透過性基板１の画素部外部の周辺のみを約１
００℃で熱しられた加熱ヘッドで圧着し接着させる。With the above structure, the sealing film 10 having a high gas barrier property for blocking moisture and oxygen is attached to the OLED film 6 which is easily deteriorated by oxygen, moisture, etc. in a vacuum to make it extremely reliable. Long life and thin OLE
A D display can be provided. Further, by using the ultraviolet curable resin 12 as the adhesive material 11, it is possible to bond at a low temperature and prevent the OLED film 6 from being damaged by temperature. (Embodiment 2) Next, the OL according to claim 3 and claim 4
An embodiment of the ED display will be described with reference to FIG. In FIG. 2, a sealing film 10 is a hot melt resin film 1 that melts at about 100 ° C. as an adhesive material 11.
3, an aluminum metal film 14 having a high gas barrier property for blocking moisture and oxygen, and a resin film 15 for protecting the metal film 14 by sandwiching the metal film 14, and a light-transmissive substrate in which the OLED film 6 is laminated. 1 and the hot melt resin film 13 is attached as a mating surface on the side of the light transmissive substrate 1 in the vacuum chamber, and only about 1 outside the pixel portion of the light transmissive substrate 1 is attached.
A heating head heated at 00 ° C. is used for pressure bonding and adhesion.
【０００９】以上の構成で、湿気や酸素などを遮断する
ガスバリア性の高いアルミ金属膜１４を樹脂で挟み込む
構成の封止フィルム１０で密閉するため、極めて信頼性
の高い長寿命で薄いＯＬＥＤディスプレイを提供でき
る。また、封止フィルム１０はさらにホットメルト樹脂
膜１３を積層した構成により、封止フィルム１０をロー
ル状に制作し、真空チャンバー内でＯＬＥＤ膜６を積層
した光透過性基板１に貼り付けては切断し、熱溶着させ
るという工程を繰り返すことが可能になり、量産性の高
いＯＬＥＤディスプレイを提供できる。
（実施の形態３）次に請求項５記載のＯＬＥＤディスプ
レイに関して、その実施形態を図３に基づいて説明す
る。ガラスなどの光透過性基板１上に第1の電極２を形
成し、上記第1の電極２上に正孔輸送層３、ＯＬＥＤ層
４、電子輸送層５をこの順に連続成膜し、ＯＬＥＤ材料
を含むＯＬＥＤ膜６を積層する。上記ＯＬＥＤ膜６上に
電子注入層７とＩＴＯなどの透明導電性材料１６を連続
成膜し、光透過性の第２の電極９を形成する。With the above structure, the aluminum metal film 14 having a high gas barrier property for blocking moisture and oxygen is sealed by the sealing film 10 which is sandwiched between the resins. Therefore, a highly reliable and long life thin OLED display is obtained. Can be provided. In addition, the sealing film 10 has a structure in which the hot melt resin film 13 is further laminated, and the sealing film 10 is manufactured in a roll shape, and is not attached to the light transmissive substrate 1 on which the OLED film 6 is laminated in a vacuum chamber. The process of cutting and heat-welding can be repeated, and an OLED display with high mass productivity can be provided. (Embodiment 3) Next, an embodiment of an OLED display according to claim 5 will be described with reference to FIG. A first electrode 2 is formed on a light-transmissive substrate 1 such as glass, and a hole transport layer 3, an OLED layer 4, and an electron transport layer 5 are successively formed on the first electrode 2 in this order to form an OLED. The OLED film 6 containing the material is laminated. An electron injection layer 7 and a transparent conductive material 16 such as ITO are continuously formed on the OLED film 6 to form a light transmissive second electrode 9.
【００１０】一方封止フィルム１０は、湿気や酸素を遮
断するガスバリア性の高く光透過性のＤＬＣ（ダイヤモ
ンド・ライク・カーボン）膜１７と、上記ＤＬＣ膜１７
を挟み込んで保護する透明な樹脂膜１４との積層構造の
薄膜フィルムとなっている。封止フィルム１０の周辺に
外周に接着材１１として紫外線硬化樹脂１２を塗布し、
上記ＯＬＥＤ膜６を積層した光透過性基板１と真空チャ
ンバー内で貼り付け、ＯＬＥＤ膜６を積層した画素部を
保護するマスクを介して紫外線を照射し、硬化接着させ
る。On the other hand, the sealing film 10 is a DLC (diamond-like carbon) film 17 having a high gas barrier property for blocking moisture and oxygen and having a light transmitting property, and the DLC film 17 described above.
It is a thin film having a laminated structure with a transparent resin film 14 which sandwiches and protects. An ultraviolet curable resin 12 is applied as an adhesive 11 to the outer periphery of the sealing film 10,
The light transmissive substrate 1 having the OLED film 6 laminated thereon is attached in a vacuum chamber, and ultraviolet rays are radiated through a mask for protecting the pixel portion having the OLED film 6 laminated to cure and adhere it.
【００１１】以上の構成で、湿気や酸素などを遮断する
ガスバリア性の高いＤＬＣ膜１７を樹脂で挟み込む構成
の封止フィルム１０で密閉するため、極めて信頼性の高
い長寿命で薄いＯＬＥＤディスプレイを提供できる。With the above structure, since the DLC film 17 having a high gas barrier property for blocking moisture and oxygen is sealed by the sealing film 10 which is sandwiched between the resins, a highly reliable and long life thin OLED display is provided. it can.
【００１２】また、ガラスなどの光透過性基板１に対し
て発光するＯＬＥＤ膜６の光は第１の電極２を通して、
基板１側から発光する場合が一般的で、第1の電極２の
パターンやＴＦＴなどのスイッチング素子が遮光体とな
り、光の通過する開口率が小さくなっていたが、本実施
例では第2の電極９にＩＴＯなど透明導電性材料１６を
用い、封止フィルム１０も光透過性の材料で構成してい
るため、ガラス基板１と反対側に光り取出しが可能で、
開口率が大きくなり、より輝度の高いＯＬＥＤディスプ
レイを提供できる。The light of the OLED film 6 emitted to the light transmissive substrate 1 such as glass passes through the first electrode 2 and
In general, the light is emitted from the substrate 1 side, and the pattern of the first electrode 2 and the switching element such as the TFT serve as a light-shielding body, and the aperture ratio through which the light passes is small. Since the transparent conductive material 16 such as ITO is used for the electrode 9 and the sealing film 10 is also made of a light transmissive material, light can be extracted to the side opposite to the glass substrate 1.
It is possible to provide an OLED display with higher aperture ratio and higher brightness.
【００１３】[0013]
【発明の効果】以上の構成により、本発明のＯＬＥＤデ
ィスプレイによると、酸素、湿気などで劣化しやすいＯ
ＬＥＤ材料を含むＯＬＥＤ膜に対して、きわめて気密性
の高い封止フィルムで密閉させることで、極めて信頼性
の高い、長寿命で、薄いＯＬＥＤディスプレイを提供で
きる。As described above, according to the OLED display of the present invention having the above-described structure, O which is easily deteriorated by oxygen, moisture and the like.
By sealing an OLED film containing an LED material with a sealing film having an extremely high airtightness, an extremely reliable, long-life, and thin OLED display can be provided.
【００１４】また、真空蒸着でＯＬＥＤ膜や電極を形成
した後、同じ真空中で封止フィルムを貼り付ける構成の
ため、装置もインライン化可能で、生産性も向上し、ダ
ストなど品質的に安定することができる。In addition, since the OLED film and the electrode are formed by vacuum deposition and the sealing film is attached in the same vacuum, the device can be in-line, the productivity is improved, and the quality of dust and the like is stable. can do.
【図１】本発明の実施の形態１のＯＬＥＤディスプレイ
を示す構成図FIG. 1 is a configuration diagram showing an OLED display according to a first embodiment of the present invention.
【図２】本発明の実施の形態２のＯＬＥＤディスプレイ
を示す構成図FIG. 2 is a configuration diagram showing an OLED display according to a second embodiment of the present invention.
【図３】本発明の実施の形態３のＯＬＥＤディスプレイ
を示す構成図FIG. 3 is a configuration diagram showing an OLED display according to a third embodiment of the present invention.
１ 光透過性基板 ２ 第１の電極 ６ ＯＬＥＤ膜 ９ 第2の電極 １０ 封止フィルム １１ 接着材 １２ 紫外線硬化樹脂 １３ ホットメルト樹脂膜 １４ 金属膜 １５ 樹脂膜 １６ 透明導電性材料 １７ ＤＬＣ膜 1 Light-transmissive substrate 2 First electrode 6 OLED film 9 Second electrode 10 Sealing film 11 Adhesive 12 UV curable resin 13 Hot melt resin film 14 Metal film 15 Resin film 16 Transparent conductive material 17 DLC film
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 3K007 AB13 BA06 CA01 CB01 EB00 FA02 5C094 AA38 AA42 AA43 BA02 BA27 CA19 EA04 EA05 EA07 EB02 ─────────────────────────────────────────────────── ─── Continued front page F term (reference) 3K007 AB13 BA06 CA01 CB01 EB00 FA02 5C094 AA38 AA42 AA43 BA02 BA27 CA19 EA04 EA05 EA07 EB02
Claims (5)
と、前記第１の電極を形成した基板上に成膜したＯＬＥ
Ｄ材料を含むＯＬＥＤ膜と、前記ＯＬＥＤ膜上に形成す
る第２の電極と、前記第２の電極形成後、真空中で前記
光透過性基板とガスバリア性の封止フィルムとを貼り合
わせ接着する接着材とからなることを特徴とするＯＬＥ
Ｄディスプレイ。1. A first electrode formed on a light transmissive substrate, and an OLE film formed on the substrate on which the first electrode is formed.
An OLED film containing a D material, a second electrode formed on the OLED film, and after forming the second electrode, the light transmissive substrate and the gas barrier sealing film are bonded and bonded in a vacuum. OLE characterized by comprising an adhesive material
D display.
ガスバリア性の封止フィルムの外周辺に塗布した紫外線
硬化樹脂を用いる構成であることを特徴とする、請求項
２記載のＯＬＥＤディスプレイ。2. The OLED display according to claim 2, wherein the adhesive material is configured to use an ultraviolet curable resin applied to the outer periphery of the light transmissive substrate and the gas barrier sealing film. .
バリア性の金属膜を樹脂膜で挟み込む積層構造であるこ
とを特徴とする、請求項２記載のＯＬＥＤディスプレ
イ。3. The OLED display according to claim 2, wherein the gas barrier sealing film has a laminated structure in which a gas barrier metal film is sandwiched between resin films.
材となるホットメルト樹脂膜、ガスバリア性の金属膜、
前記ガスバリア性の金属膜を保護する樹脂膜を積層した
構造であることを特徴とする、請求項２記載のＯＬＥＤ
ディスプレイ。4. The gas-barrier sealing film is a hot-melt resin film serving as an adhesive, a gas-barrier metal film,
The OLED according to claim 2, wherein the OLED has a structure in which resin films for protecting the gas barrier metal film are laminated.
display.
し、前記ガスバリア性の封止フィルムは光透過性のＤＬ
Ｃ膜を透明樹脂膜で挟み込む積層構造であることを特徴
とする、請求項２記載のＯＬＥＤディスプレイ。5. The second electrode is formed of a light transmissive material, and the gas barrier sealing film is a light transmissive DL.
The OLED display according to claim 2, wherein the OLED display has a laminated structure in which a C film is sandwiched between transparent resin films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001229182A JP2003045652A (en) | 2001-07-30 | 2001-07-30 | Oled display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001229182A JP2003045652A (en) | 2001-07-30 | 2001-07-30 | Oled display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003045652A true JP2003045652A (en) | 2003-02-14 |
Family
ID=19061569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001229182A Pending JP2003045652A (en) | 2001-07-30 | 2001-07-30 | Oled display |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003045652A (en) |
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