KR102650435B1 - 표시 패널 - Google Patents
표시 패널 Download PDFInfo
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- KR102650435B1 KR102650435B1 KR1020190070878A KR20190070878A KR102650435B1 KR 102650435 B1 KR102650435 B1 KR 102650435B1 KR 1020190070878 A KR1020190070878 A KR 1020190070878A KR 20190070878 A KR20190070878 A KR 20190070878A KR 102650435 B1 KR102650435 B1 KR 102650435B1
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- 239000000758 substrate Substances 0.000 claims abstract description 49
- 239000010409 thin film Substances 0.000 claims abstract description 21
- 239000004020 conductor Substances 0.000 claims abstract description 10
- 239000004973 liquid crystal related substance Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- 239000010949 copper Substances 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010408 film Substances 0.000 claims description 7
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 265
- 230000000052 comparative effect Effects 0.000 description 39
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 23
- 239000010936 titanium Substances 0.000 description 23
- 229910052719 titanium Inorganic materials 0.000 description 22
- 238000000034 method Methods 0.000 description 20
- 239000004065 semiconductor Substances 0.000 description 16
- 238000005530 etching Methods 0.000 description 10
- 101100136063 Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) PE11 gene Proteins 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 5
- 239000002356 single layer Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- 229910000484 niobium oxide Inorganic materials 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/441—Interconnections, e.g. scanning lines
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- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
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- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
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- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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Abstract
Description
도 2는 도 1에 도시된 일부 구성을 간략히 도시한 사시도이다.
도 3a는 본 발명의 일 실시예에 따른 표시 패널의 일부를 도시한 평면도이다.
도 3b는 도 2에 도시된 Ⅰ-Ⅰ'를 따라 자른 단면도이다.
도 4a는 본 발명의 일 실시예에 따른 표시 패널의 일부 구성의 단면도이다.
도 4b는 본 발명의 비교 실시예에 따른 표시 패널의 일부 구성의 단면도이다.
도 5는 실시예들에 따른 광 반사율을 도시한 그래프이다.
도 6은 본 발명의 일 실시예에 따른 표시 패널의 일부를 도시한 평면도이다.
도 7a 내지 도 7c는 본 발명의 일 실시예에 따른 표시 패널의 제조방법을 도시한 단면도들이다.
G1: 제1 게이트 라인 D1: 제1 데이터 라인
L1: 제1 층 L2: 제2 층
L3: 제3 층 L4: 제4 층
Claims (20)
- 베이스 기판;
상기 베이스 기판 상에 배치되고 박막 트랜지스터 및 상기 박막 트랜지스터에 연결된 표시 소자를 포함하는 화소;
상기 화소에 연결된 제1 신호 라인; 및
상기 화소에 연결되고 상기 제1 신호 라인과 상이한 층 상에 배치된 제2 신호 라인을 포함하고,
상기 제1 신호 라인 및 상기 제2 신호 라인 중 적어도 어느 하나는,
도전성 물질을 포함하는 하부층; 및
상기 하부층 상에 배치되고 도전성 물질을 포함하는 상부층을 포함하고,
상기 하부층에 대한 상기 상부층의 식각 선택비는 0.5 이상 3 이하 범위 내이고,
상기 하부층은,
상기 베이스 기판 상에 배치되는 제1 층;
상기 제1 층 상에 배치되는 제2 층; 및
상기 상부층 및 상기 제2 층 사이에 배치되는 제3 층을 포함하고,
상기 상부층은 상기 제2 층보다 낮은 광 반사율을 갖는 표시 패널. - 제1 항에 있어서,
상기 상부층은 상기 하부층에 직접 접촉하는 표시 패널. - 제1 항에 있어서,
상기 상부층은 불투명한 물질을 포함하고,
상기 상부층의 두께는 100 이하인 표시 패널. - 제3 항에 있어서,
상기 제2 층은 상기 제1 층보다 낮은 비 저항을 갖고,
상기 제3 층은 상기 제2 층보다 낮은 광 반사율을 갖고,
상기 상부층은 상기 제3 층에 접촉하는 표시 패널. - 제4 항에 있어서,
상기 상부층은 상기 제2 층과 동일한 물질을 포함하는 표시 패널. - 제5 항에 있어서,
상기 상부층은 상기 제1 내지 제3 층들 각각의 두께들보다 낮은 두께를 가진 표시 패널. - 제5 항에 있어서,
상기 상부층 및 상기 제2 층은 구리를 포함하는 표시 패널. - 제4 항에 있어서,
상기 제1 내지 제3 층들은 상기 상부층과 다른 물질을 포함하는 표시 패널. - 제8 항에 있어서,
상기 상부층은 투명 도전성 산화물, 금속, 또는 금속 산화물을 포함하는 표시 패널. - 제1 항에 있어서,
상기 식각 선택비는 비과수계 식각액에 대한 식각 선택비인 표시 패널. - 제1 항에 있어서,
상기 상부층의 측면 및 상기 하부층의 측면은 단면상에서 소정의 가상 라인을 따라 정렬된 표시 패널. - 제11 항에 있어서,
상기 가상 라인은 상기 베이스 기판의 상면에 대해 경사진 표시 패널. - 제1 항에 있어서,
상기 제1 신호 라인 및 상기 제2 신호 라인은 절연층을 사이에 두고 서로 이격되고,
상기 절연층은 무기막을 포함하는 표시 패널. - 제1 항에 있어서,
상기 박막 트랜지스터는 상기 제1 신호 라인과 동일 층 상에 배치된 제어 전극, 상기 제2 신호 라인과 동일 층 상에 배치되고 서로 이격된 입력 전극 및 출력 전극을 포함하고,
상기 표시 소자는 상기 출력 전극에 연결된 표시 패널. - 제14 항에 있어서,
상기 제어 전극, 상기 입력 전극, 및 상기 출력 전극 중 적어도 어느 하나는 상기 하부층 및 상기 상부층을 포함하는 표시 패널. - 제1 항에 있어서,
상기 표시 소자는 화소 전극, 공통 전극, 및 상기 화소 전극과 상기 공통 전극 사이에 배치된 액정층을 포함하고,
상기 상부층 및 상기 하부층은 상기 화소 전극과 평면상에서 중첩하는 표시 패널. - 베이스 기판;
상기 베이스 기판 상에 배치된 제1 신호 라인;
상기 제1 신호 라인과 절연 교차하는 제2 신호 라인; 및
상기 제1 신호 라인과 상기 제2 신호 라인에 연결된 화소를 포함하고,
상기 제1 신호 라인 및 상기 제2 신호 라인 중 적어도 어느 하나는,
하부층; 및
상기 하부층에 직접 접촉하고 100 이하의 두께를 가진 상부층을 포함하고,
상기 하부층은,
상기 베이스 기판 상에 배치되는 제1 층;
상기 제1 층 상에 배치되는 제2 층; 및
상기 상부층 및 상기 제2 층 사이에 배치되는 제3 층을 포함하고,
상기 상부층은 상기 제2 층보다 낮은 광 반사율을 갖는 표시 패널. - 제17 항에 있어서,
상기 제1 층은 제1 금속을 포함하고,
상기 제2 층은 상기 제1 층과 접촉하고, 상기 제1 금속과 상이한 제2 금속을 포함하고,
상기 제3 층은 제2 층에 접촉하고 상기 제1 금속을 포함하고,
상기 상부층은 상기 제3 층에 접촉하는 표시 패널. - 제18 항에 있어서,
상기 상부층은 상기 제2 금속과 동일한 금속을 포함하고,
상기 제2 층은 상기 상부층보다 두꺼운 표시 패널. - 제18 항에 있어서,
상기 제3 층은 상기 제2 층보다 낮은 반사율을 갖고 상기 제2 층보다 높은 비 저항을 가진 표시 패널.
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