CN1707810A - 薄膜晶体管和其制造方法 - Google Patents
薄膜晶体管和其制造方法 Download PDFInfo
- Publication number
- CN1707810A CN1707810A CNA2004100997172A CN200410099717A CN1707810A CN 1707810 A CN1707810 A CN 1707810A CN A2004100997172 A CNA2004100997172 A CN A2004100997172A CN 200410099717 A CN200410099717 A CN 200410099717A CN 1707810 A CN1707810 A CN 1707810A
- Authority
- CN
- China
- Prior art keywords
- layer
- cap layer
- film transistor
- cap
- thin
- 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.)
- Granted
Links
- 239000010409 thin film Substances 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 54
- 229910052751 metal Inorganic materials 0.000 claims abstract description 54
- 239000003054 catalyst Substances 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 50
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 27
- 238000002425 crystallisation Methods 0.000 claims abstract description 24
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 24
- 229920005591 polysilicon Polymers 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 230000008025 crystallization Effects 0.000 claims abstract description 21
- 239000003863 metallic catalyst Substances 0.000 claims description 36
- 238000000137 annealing Methods 0.000 claims description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 238000009792 diffusion process Methods 0.000 claims description 14
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 14
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 14
- 239000004065 semiconductor Substances 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 238000004544 sputter deposition Methods 0.000 claims description 4
- 238000005229 chemical vapour deposition Methods 0.000 claims 4
- 239000013078 crystal Substances 0.000 abstract description 22
- 238000000059 patterning Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 215
- 239000010408 film Substances 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000005224 laser annealing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 101100373011 Drosophila melanogaster wapl gene Proteins 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 210000004483 pasc Anatomy 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
- H01L21/02672—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth using crystallisation enhancing elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02532—Silicon, silicon germanium, germanium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/6675—Amorphous silicon or polysilicon transistors
- H01L29/66757—Lateral single gate single channel transistors with non-inverted structure, i.e. the channel layer is formed before the gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78603—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the insulating substrate or support
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Recrystallisation Techniques (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (32)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR42348/04 | 2004-06-09 | ||
KR1020040042348A KR100600874B1 (ko) | 2004-06-09 | 2004-06-09 | 박막트랜지스터 및 그의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1707810A true CN1707810A (zh) | 2005-12-14 |
CN100401531C CN100401531C (zh) | 2008-07-09 |
Family
ID=35459626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100997172A Active CN100401531C (zh) | 2004-06-09 | 2004-12-31 | 薄膜晶体管和其制造方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US7943929B2 (zh) |
JP (2) | JP4549842B2 (zh) |
KR (1) | KR100600874B1 (zh) |
CN (1) | CN100401531C (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100611154B1 (ko) * | 2003-11-27 | 2006-08-09 | 삼성에스디아이 주식회사 | 금속 유도 결정화 방법을 이용한 박막 트랜지스터, 이의제조 방법 및 이를 사용하는 액티브 매트릭스 평판 표시장치 |
KR100731756B1 (ko) * | 2006-06-07 | 2007-06-22 | 삼성에스디아이 주식회사 | 박막트랜지스터의 제조방법 |
KR101049799B1 (ko) * | 2009-03-03 | 2011-07-15 | 삼성모바일디스플레이주식회사 | 박막트랜지스터, 그의 제조방법 및 이를 포함하는 유기전계발광표시장치 |
KR101041141B1 (ko) * | 2009-03-03 | 2011-06-13 | 삼성모바일디스플레이주식회사 | 유기전계발광표시장치 및 그의 제조방법 |
KR101015849B1 (ko) * | 2009-03-03 | 2011-02-23 | 삼성모바일디스플레이주식회사 | 박막트랜지스터, 그의 제조방법 및 이를 포함하는 유기전계발광표시장치 |
KR20100100187A (ko) * | 2009-03-05 | 2010-09-15 | 삼성모바일디스플레이주식회사 | 다결정 실리콘층의 제조방법 |
KR101049801B1 (ko) * | 2009-03-05 | 2011-07-15 | 삼성모바일디스플레이주식회사 | 다결정 실리콘층의 제조방법 및 이에 이용되는 원자층 증착장치 |
KR101056428B1 (ko) * | 2009-03-27 | 2011-08-11 | 삼성모바일디스플레이주식회사 | 박막트랜지스터, 그의 제조방법, 및 이를 포함하는 유기전계발광표시장치 |
KR101094295B1 (ko) * | 2009-11-13 | 2011-12-19 | 삼성모바일디스플레이주식회사 | 다결정 실리콘층의 제조방법, 박막트랜지스터의 제조방법, 및 유기전계발광표시장치의 제조방법 |
KR101049802B1 (ko) | 2009-11-20 | 2011-07-15 | 삼성모바일디스플레이주식회사 | 다결정 실리콘층의 제조방법, 박막트랜지스터, 그를 구비하는 유기전계발광표시장치 및 그들의 제조방법 |
KR101094302B1 (ko) | 2010-06-03 | 2011-12-19 | 삼성모바일디스플레이주식회사 | 유기전계발광표시장치 및 그의 제조방법 |
KR101146995B1 (ko) * | 2010-06-16 | 2012-05-22 | 삼성모바일디스플레이주식회사 | 다결정 실리콘층의 형성 방법 및 이를 이용한 박막 트랜지스터의 형성방법 |
WO2012005389A1 (ko) * | 2010-07-06 | 2012-01-12 | 노코드 주식회사 | 다결정 실리콘 박막의 제조방법 |
US8482078B2 (en) | 2011-05-10 | 2013-07-09 | International Business Machines Corporation | Integrated circuit diode |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3255942B2 (ja) | 1991-06-19 | 2002-02-12 | 株式会社半導体エネルギー研究所 | 逆スタガ薄膜トランジスタの作製方法 |
TW226478B (en) * | 1992-12-04 | 1994-07-11 | Semiconductor Energy Res Co Ltd | Semiconductor device and method for manufacturing the same |
US5275851A (en) | 1993-03-03 | 1994-01-04 | The Penn State Research Foundation | Low temperature crystallization and patterning of amorphous silicon films on electrically insulating substrates |
JPH0786607A (ja) | 1993-09-20 | 1995-03-31 | Toshiba Corp | 薄膜トランジスタ |
US5532854A (en) * | 1994-01-25 | 1996-07-02 | Fergason; James L. | Folded variable birefringerence zeroth order hybrid aligned liquid crystal apparatus |
US6884698B1 (en) * | 1994-02-23 | 2005-04-26 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing semiconductor device with crystallization of amorphous silicon |
JP3269738B2 (ja) | 1994-09-21 | 2002-04-02 | シャープ株式会社 | 半導体装置およびその製造方法 |
JP3442500B2 (ja) * | 1994-08-31 | 2003-09-02 | 株式会社半導体エネルギー研究所 | 半導体回路の作製方法 |
JP3198378B2 (ja) | 1996-03-01 | 2001-08-13 | シャープ株式会社 | 半導体装置の製造方法 |
JP3240258B2 (ja) | 1996-03-21 | 2001-12-17 | シャープ株式会社 | 半導体装置、薄膜トランジスタ及びその製造方法、ならびに液晶表示装置及びその製造方法 |
US6011275A (en) * | 1996-12-30 | 2000-01-04 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method of manufacturing the same |
JP3976828B2 (ja) * | 1997-02-17 | 2007-09-19 | 株式会社半導体エネルギー研究所 | 結晶性珪素膜の作製方法 |
JPH11243209A (ja) | 1998-02-25 | 1999-09-07 | Seiko Epson Corp | 薄膜デバイスの転写方法、薄膜デバイス、薄膜集積回路装置、アクティブマトリクス基板、液晶表示装置および電子機器 |
US6346437B1 (en) * | 1998-07-16 | 2002-02-12 | Sharp Laboratories Of America, Inc. | Single crystal TFT from continuous transition metal delivery method |
JP2000315802A (ja) | 2000-01-01 | 2000-11-14 | Semiconductor Energy Lab Co Ltd | 半導体素子の作製方法 |
GB0006958D0 (en) | 2000-03-23 | 2000-05-10 | Koninkl Philips Electronics Nv | Method of manufacturing a transistor |
JP4588167B2 (ja) * | 2000-05-12 | 2010-11-24 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
US6746901B2 (en) * | 2000-05-12 | 2004-06-08 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method of fabricating thereof |
KR20030008752A (ko) * | 2001-07-20 | 2003-01-29 | 학교법인 경희대학교 | 액정디스플레이용 다결정 실리콘 형성 방법 |
KR100398591B1 (ko) | 2001-09-05 | 2003-09-19 | 비오이 하이디스 테크놀로지 주식회사 | 액정표시장치의 제조방법 |
JP4011344B2 (ja) * | 2001-12-28 | 2007-11-21 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
KR100473996B1 (ko) | 2002-01-09 | 2005-03-08 | 장 진 | 비정질 실리콘의 결정화 방법 |
KR100845557B1 (ko) * | 2002-02-20 | 2008-07-10 | 삼성전자주식회사 | 액티브 매트릭스형 유기전계발광 표시장치 및 그 제조방법 |
JP4626796B2 (ja) | 2002-10-09 | 2011-02-09 | セイコーエプソン株式会社 | 電気光学装置の製造方法及び電子機器 |
TW569350B (en) * | 2002-10-31 | 2004-01-01 | Au Optronics Corp | Method for fabricating a polysilicon layer |
WO2004040649A1 (ja) * | 2002-11-01 | 2004-05-13 | Semiconductor Energy Laboratory Co., Ltd. | 半導体装置および半導体装置の作製方法 |
KR100470274B1 (ko) * | 2002-11-08 | 2005-02-05 | 진 장 | 덮개층을 이용한 비정질 물질의 상 변화 방법 |
US7374976B2 (en) * | 2002-11-22 | 2008-05-20 | Semiconductor Energy Laboratory Co., Ltd. | Method for fabricating thin film transistor |
US7335255B2 (en) * | 2002-11-26 | 2008-02-26 | Semiconductor Energy Laboratory, Co., Ltd. | Manufacturing method of semiconductor device |
KR101026644B1 (ko) * | 2003-01-08 | 2011-04-04 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 및 그 제작 방법 |
TWI328837B (en) * | 2003-02-28 | 2010-08-11 | Semiconductor Energy Lab | Semiconductor device and method of manufacturing the same |
JP2004319538A (ja) * | 2003-04-10 | 2004-11-11 | Seiko Epson Corp | 半導体装置の製造方法、集積回路、電子光学装置及び電子機器 |
CN100568457C (zh) * | 2003-10-02 | 2009-12-09 | 株式会社半导体能源研究所 | 半导体装置的制造方法 |
KR100611154B1 (ko) * | 2003-11-27 | 2006-08-09 | 삼성에스디아이 주식회사 | 금속 유도 결정화 방법을 이용한 박막 트랜지스터, 이의제조 방법 및 이를 사용하는 액티브 매트릭스 평판 표시장치 |
-
2004
- 2004-06-09 KR KR1020040042348A patent/KR100600874B1/ko active IP Right Grant
- 2004-12-23 US US11/019,459 patent/US7943929B2/en active Active
- 2004-12-27 JP JP2004377848A patent/JP4549842B2/ja active Active
- 2004-12-31 CN CNB2004100997172A patent/CN100401531C/zh active Active
-
2006
- 2006-07-28 US US11/460,654 patent/US7989326B2/en active Active
-
2009
- 2009-08-07 JP JP2009185138A patent/JP5021005B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
US20050275019A1 (en) | 2005-12-15 |
US7989326B2 (en) | 2011-08-02 |
JP2005354028A (ja) | 2005-12-22 |
US7943929B2 (en) | 2011-05-17 |
JP4549842B2 (ja) | 2010-09-22 |
KR100600874B1 (ko) | 2006-07-14 |
CN100401531C (zh) | 2008-07-09 |
JP5021005B2 (ja) | 2012-09-05 |
JP2009295996A (ja) | 2009-12-17 |
US20060263951A1 (en) | 2006-11-23 |
KR20050117133A (ko) | 2005-12-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100481508C (zh) | 薄膜晶体管及其制造方法 | |
US7989326B2 (en) | Thin film transistor and method of fabricating the same | |
KR100839735B1 (ko) | 트랜지스터, 이의 제조 방법 및 이를 구비한 평판 표시장치 | |
US7838352B2 (en) | Thin film transistor and method for fabricating the same | |
US7452790B2 (en) | Method of fabricating thin film transistor | |
CN1691340A (zh) | 电子装置及制造该电子装置的方法 | |
CN1738011A (zh) | 薄膜晶体管的制造方法 | |
CN1725512A (zh) | 半导体器件及其制造方法 | |
US7601565B2 (en) | Thin film transistor and method of fabricating the same | |
CN1722385A (zh) | 半导体器件的制造方法及通过该方法制造的半导体器件 | |
KR20110053041A (ko) | 박막트랜지스터, 그를 구비하는 유기전계발광표시장치 및 그들의 제조방법 | |
CN1725440A (zh) | 制造半导体器件的方法和由此方法制造的半导体器件 | |
CN1501437A (zh) | 用于多晶化的掩模和用其制造薄膜晶体管的方法 | |
KR20020057382A (ko) | 반도체 소자 제조 방법 및 장치 | |
CN102064089A (zh) | 形成多晶硅层的方法、薄膜晶体管、显示装置及制造方法 | |
CN1652349A (zh) | 薄膜晶体管、其制造方法和使用薄膜晶体管的平板显示器 | |
KR100611658B1 (ko) | 박막트랜지스터의 제조 방법 | |
TW201117385A (en) | Thin film transistor, method of fabricating the same, organic light emitting diode display device having the same, and method of fabricating the same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090109 Address after: Gyeonggi Do, South Korea Patentee after: Samsung Mobile Display Co., Ltd. Address before: Gyeonggi Do, South Korea Patentee before: Samsung SDI Co., Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: SAMSUNG MOBILE DISPLAY CO., LTD. Free format text: FORMER OWNER: SAMSUNG SDI CO., LTD. Effective date: 20090109 |
|
ASS | Succession or assignment of patent right |
Owner name: SAMSUNG DISPLAY CO., LTD. Free format text: FORMER OWNER: SAMSUNG MOBILE DISPLAY CO., LTD. Effective date: 20121017 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121017 Address after: Gyeonggi Do, South Korea Patentee after: Samsung Display Co., Ltd. Address before: Gyeonggi Do, South Korea Patentee before: Samsung Mobile Display Co., Ltd. |