JP2008004771A - 薄膜トランジスタ及び液晶表示装置 - Google Patents
薄膜トランジスタ及び液晶表示装置 Download PDFInfo
- Publication number
- JP2008004771A JP2008004771A JP2006172920A JP2006172920A JP2008004771A JP 2008004771 A JP2008004771 A JP 2008004771A JP 2006172920 A JP2006172920 A JP 2006172920A JP 2006172920 A JP2006172920 A JP 2006172920A JP 2008004771 A JP2008004771 A JP 2008004771A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- film transistor
- source electrode
- thin film
- drain
- 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 31
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 11
- 239000004065 semiconductor Substances 0.000 claims abstract description 44
- 230000014759 maintenance of location Effects 0.000 abstract description 5
- 229910021417 amorphous silicon Inorganic materials 0.000 description 10
- 239000000758 substrate Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41733—Source or drain electrodes for field effect devices for thin film transistors with insulated gate
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—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
- G02F1/01—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
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- 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
-
- 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
- H01L29/78696—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Thin Film Transistor (AREA)
- Shift Register Type Memory (AREA)
Abstract
【解決手段】一対の電極肢を有するソース電極13と、前記ソース電極の一対の電極肢間に、当該ソース電極の一対の電極肢に対し、電極肢が平行に対向配置されたドレーン電極14と、前記ソース電極と前記ドレーン電極との間のチャンネル領域に形成する半導体層として、前記ソース電極の一対の電極肢と前記ドレーン電極の電極肢とが平行に対向配置されるチャンネル領域12bにのみ形成した半導体層12とを備える。
【選択図】図1
Description
図1は、本発明の実施の形態1に係る薄膜トランジスタのチャンネル領域部分を示すものであり、(a)は平面図、(b)は(a)のA−A’線断面図、(c)は(a)のB−B’線断面図である。
図3は、本発明の実施の形態2に係る薄膜トランジスタのチャンネル領域部分を示すものである。上述した実施の形態1では、ソース電極13として、U字状に形成された場合を示しているが、この実施の形態2では、コ字状に形成された場合を示している。
図4は、図1に示す実施の形態1に係る薄膜トランジスタの製造工程を説明する図である。以下、図4(a)乃至(d)に従って工程順に説明する。まず、基板上にゲート電極11を形成する(図4(a)参照)。次に、ゲート電極11を覆うようにしてP−ECVD法により図示しない絶縁層を形成した後、絶縁層の上にP−ECVD法によりi・a−Si層を形成し、連続してn+a−Si層を形成し、フォトリソグラフィとドライエッチング法を用いて半導体層12のa−Siアイランドを形成する(図4(b)参照)。
Claims (5)
- 一対の電極肢を有するソース電極と、
前記ソース電極の一対の電極肢間に、当該ソース電極の一対の電極肢に対し、電極肢が平行に対向配置されたドレーン電極と、
前記ソース電極と前記ドレーン電極との間のチャンネル領域に形成する半導体層として、前記ソース電極の一対の電極肢と前記ドレーン電極の電極肢とが平行に対向配置されるチャンネル領域にのみ形成した半導体層と
を備えた薄膜トランジスタ。 - 請求項1に記載の薄膜トランジスタにおいて、
ソース電極とドレーン電極がゲート電極端部を横切る領域に、半導体層が設けられている
ことを特徴とする薄膜トランジスタ。 - 請求項1または2に記載の薄膜トランジスタにおいて、
前記ソース電極は、U字状に形成された
ことを特徴とする薄膜トランジスタ。 - 請求項1または2に記載の薄膜トランジスタにおいて、
前記ソース電極は、コ字状に形成された
ことを特徴とする薄膜トランジスタ。 - 請求項1から4までのいずれか1項に記載の薄膜トランジスタを用いたことを特徴とする液晶表示装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006172920A JP4257345B2 (ja) | 2006-06-22 | 2006-06-22 | 薄膜トランジスタ及び液晶表示装置 |
KR1020060118094A KR20070121490A (ko) | 2006-06-22 | 2006-11-28 | 박막트랜지스터 및 액정표시장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006172920A JP4257345B2 (ja) | 2006-06-22 | 2006-06-22 | 薄膜トランジスタ及び液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008004771A true JP2008004771A (ja) | 2008-01-10 |
JP4257345B2 JP4257345B2 (ja) | 2009-04-22 |
Family
ID=39008909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006172920A Active JP4257345B2 (ja) | 2006-06-22 | 2006-06-22 | 薄膜トランジスタ及び液晶表示装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4257345B2 (ja) |
KR (1) | KR20070121490A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020098048A1 (zh) * | 2018-11-12 | 2020-05-22 | 惠科股份有限公司 | 显示面板和显示装置 |
-
2006
- 2006-06-22 JP JP2006172920A patent/JP4257345B2/ja active Active
- 2006-11-28 KR KR1020060118094A patent/KR20070121490A/ko not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020098048A1 (zh) * | 2018-11-12 | 2020-05-22 | 惠科股份有限公司 | 显示面板和显示装置 |
Also Published As
Publication number | Publication date |
---|---|
JP4257345B2 (ja) | 2009-04-22 |
KR20070121490A (ko) | 2007-12-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11921392B2 (en) | Display device | |
KR102080065B1 (ko) | 박막 트랜지스터 어레이 기판 및 그 제조 방법 | |
JP4850057B2 (ja) | 液晶表示装置及びその製造方法 | |
US20180294361A1 (en) | Thin film transistor and method for manufacturing the same array substrate and display device | |
US10290661B2 (en) | Thin film transistor and method of fabricating the same, array substrate and display apparatus | |
KR102127781B1 (ko) | 박막 트랜지스터 어레이 기판 및 그 제조 방법 | |
JP6227016B2 (ja) | アクティブマトリクス基板 | |
WO2019033812A1 (zh) | 显示基板、显示面板及显示装置 | |
US9123820B2 (en) | Thin film transistor including semiconductor oxide layer having reduced resistance regions | |
US20160155736A1 (en) | Liquid crystal display device and manufacturing method thereof | |
TWI575577B (zh) | 畫素結構及畫素結構的製造方法 | |
US8067767B2 (en) | Display substrate having vertical thin film transistor having a channel including an oxide semiconductor pattern | |
US9947798B2 (en) | Display device | |
KR102224457B1 (ko) | 표시장치와 그 제조 방법 | |
US20150206818A1 (en) | Liquid crystal display and method of fabricating the same | |
US9917208B2 (en) | Thin film transistor and method for manufacturing the same, and array substrate | |
JP4257345B2 (ja) | 薄膜トランジスタ及び液晶表示装置 | |
CN106024811A (zh) | 显示基板及其制作方法、显示器件 | |
CN111312729B (zh) | 共享薄膜晶体管及显示面板 | |
KR101327849B1 (ko) | 박막 트랜지스터 및 그 제조 방법과, 그를 이용한 표시장치및 표시장치용 구동 회로 | |
JP6262477B2 (ja) | 薄膜トランジスタ、表示装置用電極基板およびそれらの製造方法 | |
JP5452842B2 (ja) | 薄膜トランジスタ、および薄膜トランジスタの製造方法 | |
KR101273671B1 (ko) | 산화물 반도체 박막 트랜지스터 제조방법, 이에 따라 제조된 산화물 반도체 박막 트랜지스터를 포함하는 디스플레이 장치 및 능동구동센서 장치 | |
KR101385471B1 (ko) | 박막 트랜지스터 및 그 제조 방법과, 그를 이용한 액정표시 장치 및 유기 발광 다이오드 표시 장치 | |
JP2014165310A (ja) | 表示装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20080411 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080422 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080718 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20080819 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20081114 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20081222 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20090120 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090202 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120206 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4257345 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130206 Year of fee payment: 4 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140206 Year of fee payment: 5 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |