JP2001189192A5 - - Google Patents

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JP2001189192A5
JP2001189192A5 JP2000311401A JP2000311401A JP2001189192A5 JP 2001189192 A5 JP2001189192 A5 JP 2001189192A5 JP 2000311401 A JP2000311401 A JP 2000311401A JP 2000311401 A JP2000311401 A JP 2000311401A JP 2001189192 A5 JP2001189192 A5 JP 2001189192A5
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light
emitting layer
pixel
emitting device
emitting
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JP4854840B2 (en
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【特許請求の範囲】
【請求項1】
複数のゲート配線、該複数のゲート配線に交差する複数のソース配線、前記複数のゲート配線と前記複数のソース配線で囲まれた領域に形成されたTFT及び該TFTに電気的に接続されたEL素子を含む画素部を有する発光装置であって
前記画素部は前記複数のゲート配線に沿って配列された複数の画素列を有し、前記複数の画素列は、赤色に発光する発光層が形成された画素列、緑色に発光する発光層が形成された画素列及び青色に発光する発光層が形成された画素列を有することを特徴とする発光装置。
【請求項2】
複数のゲート配線、該複数のゲート配線に交差する複数のソース配線、前記複数のゲート配線と前記複数のソース配線で囲まれた領域に形成されたTFT及び該TFTに電気的に接続されたEL素子を含む画素部を有する発光装置であって
前記画素部は前記複数のソース配線に沿って配列された複数の画素列を有し、前記複数の画素列は、赤色に発光する発光層が形成された画素列、緑色に発光する発光層が形成された画素列及び青色に発光する発光層が形成された画素列を有することを特徴とする発光装置。
【請求項3】
複数のゲート配線、該複数のゲート配線に交差する複数のソース配線、前記複数のゲート配線と前記複数のソース配線で囲まれた領域に形成されたTFT及び該TFTに電気的に接続されたEL素子を含む画素部を有する発光装置であって
前記画素部は前記複数のゲート配線の上方に設けられたバンクに沿って配置された複数の画素列を有し
前記複数の画素列は、赤色に発光する発光層が形成された画素列、緑色に発光する発光層が形成された画素列及び青色に発光する発光層が形成された画素列を有することを特徴とする発光装置。
【請求項4】
複数のゲート配線、該複数のゲート配線に交差する複数のソース配線、前記複数のゲート配線と前記複数のソース配線で囲まれた領域に形成されたTFT及び該TFTに電気的に接続されたEL素子を含む画素部を有する発光装置であって
前記画素部は前記複数のソース配線の上方に設けられたバンクに沿って配置された複数の画素列を有し
前記複数の画素列は、赤色に発光する発光層が形成された画素列、緑色に発光する発光層が形成された画素列及び青色に発光する発光層が形成された画素列を有することを特徴とする発光装置。
【請求項5】
ストライプ状に配列された複数の第1の電極、前記複数の第1の電極と交差するようにストライプ状に設けられた複数の第2の電極及び前記複数の第1の電極と前記複数の第2の電極との間に設けられた発光層を含む画素部を有する発光装置であって
前記画素部は前記複数の第1の電極と重なってストライプ状に配列された複数の画素列を有し、前記複数の画素列は、赤色に発光する発光層が形成された画素列、緑色に発光する発光層が形成された画素列及び青色に発光する発光層が形成された画素列を有することを特徴とする発光装置。
【請求項6】
ストライプ状に配列された複数の第1の電極、前記複数の第1の電極と交差するようにストライプ状に設けられた複数の第2の電極及び前記複数の第1の電極と前記複数の第2の電極との間に設けられた発光層を含む画素部を有する発光装置であって
前記画素部は前記複数の第1の電極の間に前記複数の第1の電極に沿って設けられたバンクと、前記バンク沿って配列された複数の画素列を有し
前記複数の画素列は、赤色に発光する発光層が形成された画素列、緑色に発光する発光層が形成された画素列及び青色に発光する発光層が形成された画素列を有することを特徴とする発光装置。
【請求項7】
請求項1乃至請求項6のいずれか一において、前記赤色に発光する発光層、前記緑色に発光する発光層及び前記青色に発光する発光層は、高分子有機EL材料であることを特徴とする発光装置。
【請求項8】
請求項1乃至請求項7のいずれか一に記載の発光装置を表示部として用いたことを特徴とする電子機器。
【請求項9】
複数のゲート配線、該複数のゲート配線に交差するソース配線、前記複数のゲート配線と前記複数のソース配線で囲まれた領域に形成されたスイッチング素子及び該スイッチング素子に電気的に接続されたEL素子を含む画素部を有する発光装置の作製方法であって、
前記複数のソース配線又は前記複数のゲート配線の上方に設けられたストライプ状のバンクに沿って配置された複数の画素列に対し、EL材料を連続して吐出し、赤色に発光する発光層、緑色に発光する発光層及び青色に発光する発光層の少なくともいずれか一つを形成することを特徴とする発光装置の作製方法。
【請求項10】
複数のゲート配線、該複数のゲート配線に交差するソース配線、前記複数のゲート配線と前記複数のソース配線で囲まれた領域に形成されたスイッチング素子及び該スイッチング素子に電気的に接続されたEL素子を含む画素部を有する発光装置の作製方法であって、
前記複数のソース配線と、前記複数のゲート配線の上方に設けられたマトリクス状に形成されたバンクによって仕切られた1つの升目の中の複数の画素に対し、EL材料を連続して吐出し、赤色に発光する発光層、緑色に発光する発光層及び青色に発光する発光層の少なくともいずれか一つを形成することを特徴とする発光装置の作製方法。
【請求項11】
ストライプ状に配列された複数の第1の電極と、該複数の第1の電極に交差する複数の第2の電極との間に発光層を有する発光装置の作製方法であって、
前記複数の第1の電極間にストライプ状のバンクを形成し、
前記ストライプ状のバンクの間にEL材料を連続して吐出し、赤色に発光する発光層、緑色に発光する発光層及び青色に発光する発光層の少なくともいずれか一つを形成することを特徴とする発光装置の作製方法。
【請求項12】
ストライプ状に配列された複数の第1の電極と、該複数の第1の電極に交差する複数の第2の電極との間に発光層を有する発光装置の作製方法であって、
前記複数の第1の電極と前記複数の第2の電極とが重なる位置に配置される1つの画素又は複数の画素間を仕切るようにマトリクス状のバンクを形成し、
前記バンクによって仕切られた1つの升目の中の1つ又は複数の画素に対し、EL材料を連続して吐出し、赤色に発光する発光層、緑色に発光する発光層及び青色に発光する発光層の少なくともいずれか一つを形成することを特徴とする発光装置の作製方法。
【請求項13】
複数のゲート配線、該複数のゲート配線に交差するソース配線、前記複数のゲート配線と前記複数のソース配線で囲まれた領域に形成されたTFT及び該TFTに電気的に接続されたEL素子を含む画素部を有する発光装置の作製方法であって
前記画素部は前記複数のゲート配線に沿って複数の画素列に分割され、赤色に発光する発光層、緑色に発光する発光層及び青色に発光する発光層を、各々異なる画素列の上に形成することを特徴とする発光装置の作製方法。
【請求項14】
複数のゲート配線、該複数のゲート配線に交差するソース配線、前記複数のゲート配線と前記複数のソース配線で囲まれた領域に形成されたTFT及び該TFTに電気的に接続されたEL素子を含む画素部を有する発光装置の作製方法であって
前記画素部は前記複数のソース配線に沿って複数の画素列に分割され、赤色に発光する発光層、緑色に発光する発光層及び青色に発光する発光層を、各々異なる画素列の上に形成することを特徴とする発光装置の作製方法。
【請求項15】
複数のゲート配線、該複数のゲート配線に交差するソース配線、前記複数のゲート配線と前記複数のソース配線で囲まれた領域に形成されたTFT及び該TFTに電気的に接続されたEL素子を含む画素部を有する発光装置の作製方法であって
前記画素部を複数の画素列に仕切るように前記複数のゲート配線の上方にバンクを形成し、
赤色に発光する発光層、緑色に発光する発光層及び青色に発光する発光層を、各々異なる画素列に形成することを特徴とする発光装置の作製方法。
【請求項16】
複数のゲート配線、該複数のゲート配線に交差するソース配線、前記複数のゲート配線と前記複数のソース配線で囲まれた領域に形成されたTFT及び該TFTに電気的に接続されたEL素子を含む画素部を有する発光装置の作製方法であって
前記画素部を複数の画素列に仕切るように記複数のソース配線の上方にバンクを形成し、
赤色に発光する発光層、緑色に発光する発光層及び青色に発光する発光層を、各々異なる画素列に形成することを特徴とする発光装置の作製方法。
【請求項17】
ストライプ状に配列された複数の陰極、前記複数の陰極と交差するようにストライプ状に設けられた複数の陽極及び前記複数の陰極と前記複数の陽極との間に設けられた発光層を含む画素部を有する発光装置の作製方法であって
前記画素部は前記複数の陰極により複数の画素列に分割され、赤色に発光する発光層、緑色に発光する発光層及び青色に発光する発光層を、各々異なる画素列の上に形成することを特徴とする発光装置の作製方法。
【請求項18】
ストライプ状に配列された複数の陰極、前記複数の陰極と交差するようにストライプ状に設けられた複数の陽極及び前記複数の陰極と前記複数の陽極との間に設けられた発光層を含む画素部を有する発光装置の作製方法であって
前記画素部を複数の画素列に仕切るように前記複数の陰極の隙間にバンクを形成し、
赤色に発光する発光層、緑色に発光する発光層及び青色に発光する発光層を、各々異なる画素列に形成することを特徴とする発光装置の作製方法。
【請求項19】
請求項9乃至請求項18のいずれか一において、前記赤色に発光する発光層、前記緑色に発光する発光層及び前記青色に発光する発光層は、高分子の有機EL材料で形成されることを特徴とする発光装置の作製方法。
【請求項20】
請求項9乃至請求項18のいずれか一において、前記赤色に発光する発光層、前記緑色に発光する発光層及び前記青色に発光する発光層は、
赤色を発光する発光層となる赤色発光層用塗布液、緑色を発光する発光層となる緑色発光層用塗布液及び青色を発光する発光層となる青色発光層用塗布液を各々別のノズルから同時に吐出し、吐出された前記赤色発光層用塗布液、緑色発光層用塗布液及び青色発光層用塗布液に加熱処理を行うことにより形成されることを特徴とする発光装置の作製方法。
【請求項21】
請求項9乃至請求項18のいずれか一において、前記赤色に発光する発光層、前記緑色に発光する発光層または前記青色に発光する発光層の少なくとも一つはノズルから吐出された塗布液に加熱処理を行うことにより形成され、かつ、残りはスピンコート法、印刷法または蒸着法により形成されることを特徴とする発光装置の作製方法。
【請求項22】
請求項9乃至請求項18のいずれか一において、前記赤色に発光する発光層、前記緑色に発光する発光層または前記青色に発光する発光層の少なくとも一つはディスペンサーを用いて形成することを特徴とする発光装置の作製方法。
【請求項23】
請求項9乃至請求項22のいずれか一において、隣り合う画素間の距離Dは、前記赤色に発光する発光層、前記緑色に発光する発光層又は前記青色に発光する発光層を含むEL層の膜厚をtとしたとき、5t<D<50tを満たすことを特徴とする発光装置の作製方法。
[Claims]
(1)
A plurality of gate wirings; a plurality of source wirings intersecting the plurality of gate wirings; a TFT formed in a region surrounded by the plurality of gate wirings and the plurality of source wirings; and an EL electrically connected to the TFT. a light emitting device having a pixel portion including an element,
The pixel portion has a plurality of pixel rows arranged along said plurality of gate wirings, the plurality of pixel rows, pixel column in which the light-emitting layer is formed that emits red light, the light emitting layer emitting green the light emitting device characterized by having a pixel column in which the light-emitting layer is formed which emits light formed pixel columns and blue.
(2)
A plurality of gate wirings; a plurality of source wirings intersecting the plurality of gate wirings; a TFT formed in a region surrounded by the plurality of gate wirings and the plurality of source wirings; and an EL electrically connected to the TFT. a light emitting device having a pixel portion including an element,
The pixel portion has a plurality of pixel rows arranged along said plurality of source lines, said plurality of pixel rows, pixel column in which the light-emitting layer is formed that emits red light, the light emitting layer emitting green the light emitting device characterized by having a pixel column in which the light-emitting layer is formed which emits light formed pixel columns and blue.
(3)
A plurality of gate wirings; a plurality of source wirings intersecting the plurality of gate wirings; a TFT formed in a region surrounded by the plurality of gate wirings and the plurality of source wirings; and an EL electrically connected to the TFT. a light emitting device having a pixel portion including an element,
The pixel portion has a plurality of pixel rows arranged along the banks provided over the plurality of gate lines,
Said plurality of pixel lines, wherein a pixel column in which the light-emitting layer is formed of light-emitting pixel column in which the light-emitting layer is formed that emits red light, a pixel column and the blue light emitting layer is formed that emits green light Light emitting device.
(4)
A plurality of gate wirings; a plurality of source wirings intersecting the plurality of gate wirings; a TFT formed in a region surrounded by the plurality of gate wirings and the plurality of source wirings; and an EL electrically connected to the TFT. a light emitting device having a pixel portion including an element,
The pixel portion has a plurality of pixel rows arranged along the banks provided over the plurality of source lines,
Said plurality of pixel lines, wherein a pixel column in which the light-emitting layer is formed of light-emitting pixel column in which the light-emitting layer is formed that emits red light, a pixel column and the blue light emitting layer is formed that emits green light Light emitting device.
(5)
A plurality of first electrodes arranged in a stripe shape, the said plurality of first second plurality that is provided in a stripe shape so as to intersect with the electrodes of the electrode and the plurality of first electrodes of the plurality a light emitting device having a pixel portion including a light emitting layer provided between the second electrode,
The pixel portion has a plurality of pixel rows arranged in stripes overlaps with the plurality of first electrodes, the plurality of pixel rows, pixel column in which the light-emitting layer is formed that emits red light, green the light emitting device characterized by having a pixel column in which the light-emitting layer is formed which emits light to the pixel column and the blue light emitting layer is formed which emits light.
6.
A plurality of first electrodes arranged in a stripe shape, the said plurality of first second plurality that is provided in a stripe shape so as to intersect with the electrodes of the electrode and the plurality of first electrodes of the plurality a light emitting device having a pixel portion including a light emitting layer provided between the second electrode,
The pixel portion includes the bank provided along a plurality of first electrodes, a plurality of pixel rows arranged along the bank between the plurality of first electrodes,
Said plurality of pixel lines, wherein a pixel column in which the light-emitting layer is formed of light-emitting pixel column in which the light-emitting layer is formed that emits red light, a pixel column and the blue light emitting layer is formed that emits green light Light emitting device.
7.
The light-emitting layer that emits red light, the light-emitting layer that emits green light, and the light-emitting layer that emits blue light are polymer organic EL materials according to any one of claims 1 to 6. Light emitting device.
Claim 8.
An electronic apparatus, wherein the light-emitting device according to claim 1 is used as a display unit.
9.
A plurality of gate wirings, a source wiring intersecting the plurality of gate wirings, a switching element formed in a region surrounded by the plurality of gate wirings and the plurality of source wirings, and an EL electrically connected to the switching element. A method for manufacturing a light-emitting device having a pixel portion including an element,
A light emitting layer that continuously emits an EL material and emits red light to a plurality of pixel columns arranged along a stripe-shaped bank provided above the plurality of source lines or the plurality of gate lines; A method for manufacturing a light-emitting device, comprising forming at least one of a light-emitting layer that emits green light and a light-emitting layer that emits blue light.
10.
A plurality of gate wirings, a source wiring intersecting the plurality of gate wirings, a switching element formed in a region surrounded by the plurality of gate wirings and the plurality of source wirings, and an EL electrically connected to the switching element. A method for manufacturing a light-emitting device having a pixel portion including an element,
An EL material is continuously discharged to a plurality of pixels in one cell divided by a bank formed in a matrix provided above the plurality of source wirings and the plurality of gate wirings, A method for manufacturing a light-emitting device, comprising forming at least one of a red light-emitting layer, a green light-emitting layer, and a blue light-emitting layer.
11.
A method for manufacturing a light-emitting device including a light-emitting layer between a plurality of first electrodes arranged in a stripe and a plurality of second electrodes intersecting the plurality of first electrodes,
Forming a stripe-shaped bank between the plurality of first electrodes;
An EL material is continuously discharged between the stripe-shaped banks to form at least one of a light emitting layer that emits red light, a light emitting layer that emits green light, and a light emitting layer that emits blue light. For manufacturing a light emitting device.
12.
A method for manufacturing a light-emitting device including a light-emitting layer between a plurality of first electrodes arranged in a stripe and a plurality of second electrodes intersecting the plurality of first electrodes,
Forming a matrix-shaped bank so as to partition one pixel or a plurality of pixels arranged at a position where the plurality of first electrodes and the plurality of second electrodes overlap,
A light-emitting layer that emits red, a green, and a blue light that emits an EL material continuously to one or a plurality of pixels in one cell divided by the bank. A method for manufacturing a light-emitting device, wherein at least one of the methods is formed.
Claim 13
A plurality of gate wirings, a source wiring crossing the plurality of gate wirings, a TFT formed in a region surrounded by the plurality of gate wirings and the plurality of source wirings, and an EL element electrically connected to the TFT. A method for manufacturing a light-emitting device having a pixel portion including:
The pixel portion is divided into a plurality of pixel columns along the plurality of gate lines, and a red light emitting layer, a green light emitting layer, and a blue light emitting layer are formed on different pixel columns, respectively. A method for manufacturing a light-emitting device.
14.
A plurality of gate wirings, a source wiring crossing the plurality of gate wirings, a TFT formed in a region surrounded by the plurality of gate wirings and the plurality of source wirings, and an EL element electrically connected to the TFT. A method for manufacturing a light-emitting device having a pixel portion including:
The pixel portion is divided into a plurality of pixel columns along the plurality of source lines, and a red light-emitting layer, a green light-emitting layer, and a blue light-emitting layer are formed on different pixel columns, respectively. A method for manufacturing a light-emitting device.
15.
A plurality of gate wirings, a source wiring crossing the plurality of gate wirings, a TFT formed in a region surrounded by the plurality of gate wirings and the plurality of source wirings, and an EL element electrically connected to the TFT. A method for manufacturing a light-emitting device having a pixel portion including:
Forming a bank above the plurality of gate lines so as to partition the pixel portion into a plurality of pixel columns ;
A method for manufacturing a light-emitting device, wherein a red light-emitting layer, a green light-emitting layer, and a blue light-emitting layer are formed in different pixel columns.
16.
A plurality of gate wirings, a source wiring crossing the plurality of gate wirings, a TFT formed in a region surrounded by the plurality of gate wirings and the plurality of source wirings, and an EL element electrically connected to the TFT. A method for manufacturing a light-emitting device having a pixel portion including:
The pixel unit bank is formed to over the plurality of to partition the pixel columns source wiring before Kifuku number,
A method for manufacturing a light-emitting device, wherein a red light-emitting layer, a green light-emitting layer, and a blue light-emitting layer are formed in different pixel columns.
17.
A pixel including a plurality of cathodes arranged in a stripe, a plurality of anodes provided in a stripe so as to intersect with the plurality of cathodes, and a light emitting layer provided between the plurality of cathodes and the plurality of anodes A method for manufacturing a light emitting device having a portion,
The pixel portion is divided into a plurality of pixel rows by the plurality of cathodes, and a red light-emitting layer, a green light-emitting layer, and a blue light-emitting layer are formed on different pixel rows, respectively. A method for manufacturing a light-emitting device, which is a feature.
18.
A pixel including a plurality of cathodes arranged in a stripe, a plurality of anodes provided in a stripe so as to intersect with the plurality of cathodes, and a light emitting layer provided between the plurality of cathodes and the plurality of anodes A method for manufacturing a light emitting device having a portion,
Forming a bank in a gap between the plurality of cathodes so as to partition the pixel portion into a plurality of pixel columns ;
A method for manufacturing a light-emitting device, wherein a red light-emitting layer, a green light-emitting layer, and a blue light-emitting layer are formed in different pixel columns.
(19)
In any one of claims 9 to 18, the light emitting layer emitting the red light emitting layer emitting light-emitting layer and the blue emitting the green, to be formed in organic EL material of a polymer A method for manufacturing a light-emitting device, which is a feature.
20.
The light-emitting layer emitting red light, the light-emitting layer emitting green light, and the light-emitting layer emitting blue light according to any one of claims 9 to 18 ,
A red light-emitting layer coating liquid that becomes a red light-emitting layer, a green light-emitting layer coating liquid that becomes a green light-emitting layer, and a blue light-emitting layer coating liquid that becomes a blue light-emitting layer are respectively formed from different nozzles. A method for manufacturing a light-emitting device, wherein the method is formed by performing heat treatment on the red, green, and blue light-emitting layer coating liquids that are simultaneously discharged and discharged.
21.
Heating any one of claims 9 to 18, the light emitting layer emitting the red, at least one light emitting layer emitting light-emitting layer or the blue emitting the green coating liquid discharged from the nozzle A method for manufacturing a light-emitting device, wherein the light-emitting device is formed by performing a process, and the remainder is formed by a spin coating method, a printing method, or an evaporation method.
22.
19. The light emitting layer according to claim 9, wherein at least one of the light emitting layer that emits red light, the light emitting layer that emits green light, and the light emitting layer that emits blue light is formed using a dispenser. Method for manufacturing a light emitting device.
23.
23. The light emitting device according to claim 9, wherein the distance D between the adjacent pixels is equal to or less than the light emitting layer emitting the red light, the light emitting layer emitting the green light, or the EL layer including the light emitting layer emitting the blue light. A method for manufacturing a light-emitting device, wherein 5t <D <50t is satisfied, where t is the film thickness.

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