KR101178908B1 - 화소전극 두께 모니터링 방법 - Google Patents
화소전극 두께 모니터링 방법 Download PDFInfo
- Publication number
- KR101178908B1 KR101178908B1 KR1020050069812A KR20050069812A KR101178908B1 KR 101178908 B1 KR101178908 B1 KR 101178908B1 KR 1020050069812 A KR1020050069812 A KR 1020050069812A KR 20050069812 A KR20050069812 A KR 20050069812A KR 101178908 B1 KR101178908 B1 KR 101178908B1
- Authority
- KR
- South Korea
- Prior art keywords
- thickness
- reflectance
- electrode layer
- light emitting
- pixel electrode
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012544 monitoring process Methods 0.000 title claims abstract description 14
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 123
- 239000010408 film Substances 0.000 description 32
- 239000010409 thin film Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000012528 membrane Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0242—Testing optical properties by measuring geometrical properties or aberrations
- G01M11/025—Testing optical properties by measuring geometrical properties or aberrations by determining the shape of the object to be tested
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/1717—Systems in which incident light is modified in accordance with the properties of the material investigated with a modulation of one or more physical properties of the sample during the optical investigation, e.g. electro-reflectance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/1717—Systems in which incident light is modified in accordance with the properties of the material investigated with a modulation of one or more physical properties of the sample during the optical investigation, e.g. electro-reflectance
- G01N2021/1725—Modulation of properties by light, e.g. photoreflectance
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims (10)
- 화소전극, 발광층 및 캐소드전극을 포함하는 발광소자의 상기 화소전극 두께 모니터링 방법에 있어서,상기 화소전극은 반사 가능한 막과, 상기 반사 가능한 막 상에 형성된 투명한 도전성 산화물을 포함하며,소정 파장에 대한 상기 반사 가능한 막의 반사율을 측정하여 상기 투명한 도전성 산화물의 두께를 모니터링하는 화소전극의 두께 모니터링 방법.
- 삭제
- 제1항에 있어서,상기 반사율은 상기 투명한 도전성 산화물의 두께에 반비례하는 화소전극의 두께 모니터링 방법.
- 제1항에 있어서,상기 발광층은 적색발광층, 녹색발광층, 및 청색발광층을 포함하는 화소전극의 두께 모니터링 방법.
- 제1항에 있어서,상기 소정 파장은 370㎚ ~ 500㎚ 범위인 화소전극의 두께 모니터링 방법.
- 제1항에 있어서,상기 투명한 도전성 산화물은 ITO, IZO 또는 ITZO인 화소전극 두께 모니터링 방법.
- 제1항에 있어서,상기 반사 가능한 막은 은(Ag)을 포함하는 화소전극 두께 모니터링 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050069812A KR101178908B1 (ko) | 2005-07-29 | 2005-07-29 | 화소전극 두께 모니터링 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050069812A KR101178908B1 (ko) | 2005-07-29 | 2005-07-29 | 화소전극 두께 모니터링 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070014841A KR20070014841A (ko) | 2007-02-01 |
KR101178908B1 true KR101178908B1 (ko) | 2012-09-03 |
Family
ID=38080554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050069812A KR101178908B1 (ko) | 2005-07-29 | 2005-07-29 | 화소전극 두께 모니터링 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101178908B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100203229B1 (ko) * | 1995-07-17 | 1999-06-15 | 야스카와 히데아키 | 광학적 막 두께 측정 방법, 막 형성 방법 및 반도체 레이저 장치의 제조방법 |
-
2005
- 2005-07-29 KR KR1020050069812A patent/KR101178908B1/ko not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100203229B1 (ko) * | 1995-07-17 | 1999-06-15 | 야스카와 히데아키 | 광학적 막 두께 측정 방법, 막 형성 방법 및 반도체 레이저 장치의 제조방법 |
Also Published As
Publication number | Publication date |
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KR20070014841A (ko) | 2007-02-01 |
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