KR101879570B1 - 액정 표시 장치 및 그 제작 방법 - Google Patents
액정 표시 장치 및 그 제작 방법 Download PDFInfo
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- KR101879570B1 KR101879570B1 KR1020187004200A KR20187004200A KR101879570B1 KR 101879570 B1 KR101879570 B1 KR 101879570B1 KR 1020187004200 A KR1020187004200 A KR 1020187004200A KR 20187004200 A KR20187004200 A KR 20187004200A KR 101879570 B1 KR101879570 B1 KR 101879570B1
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- 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
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- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
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- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- G—PHYSICS
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- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0286—Details of a shift registers arranged for use in a driving circuit
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
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- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
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Abstract
Description
도 2는 반도체 표시 장치의 동작의 순서도.
도 3은 반도체 표시 장치의 동작의 타이밍도.
도 4는 구동 신호 및 전원 전위의 타이밍도.
도 5a 및 도 5b는 시프트 레지스터의 구성을 각각 도시한 도면.
도 6a 및 도 6b는 시프트 레지스터의 동작의 타이밍도들.
도 7은 화소부의 구성의 회로도.
도 8은 반도체 표시 장치의 구성의 블록도.
도 9a 내지 도 9d는 트랜지스터를 제작하는 방법을 도시한 도면.
도 10a 내지 도 10c는 트랜지스터의 구성을 각각 도시한 도면.
도 11은 터치 패널의 구성을 도시한 도면.
도 12a 및 도 12b는 터치 패널의 구성을 각각 도시한 도면.
도 13은 화소의 단면도.
도 14a 및 도 14b는 패널의 구성을 각각 도시한 도면.
도 15는 반도체 표시 장치의 구성의 사시도.
도 16a 내지 도 16f는 전자 기기를 각각 도시한 도면.
도 17a 및 도 17b는 포토센서를 포함한 화소부의 구성을 각각 도시한 도면.
Claims (5)
- 화소부와, 주사선 구동 회로와, 터치 패널을 갖고,
상기 화소부는 트랜지스터와, 액정 소자를 갖고,
정지화를 표시하는 기간은 제 1 기간과, 상기 제 1 기간에서 설정된 표시 상태를 유지하는 제 2 기간을 갖고,
상기 제 1 기간에서는, 상기 트랜지스터를 통해 상기 액정 소자에 화상 신호가 입력되고,
상기 제 2 기간에서는, 상기 주사선 구동 회로로의 클록 신호의 공급이 정지되고,
상기 터치 패널로부터의 조작 신호에 따라 상기 제 2 기간의 종료의 타이밍이 제어되고,
상기 트랜지스터는 산화물 반도체막을 갖고,
상기 트랜지스터는 상기 산화물 반도체막에 채널 형성 영역을 갖고,
상기 산화물 반도체막은 In과, Ga와, Zn을 갖는 액정 표시 장치의 제작 방법으로서,
상기 산화물 반도체막으로부터 수분 또는 수소를 탈리시키는 제 1 공정과,
상기 제 1 공정 후에, 상기 산화물 반도체막에 산소를 공급하는 제 2 공정을 갖는 것을 특징으로 하는, 액정 표시 장치의 제작 방법. - 화소부와, 주사선 구동 회로와, 터치 패널을 갖고,
상기 화소부는 트랜지스터와, 액정 소자를 갖고,
정지화를 표시하는 기간은 제 1 기간과, 상기 제 1 기간에서 설정된 표시 상태를 유지하는 제 2 기간을 갖고,
상기 제 1 기간에서는, 상기 트랜지스터를 통해 상기 액정 소자에 화상 신호가 입력되고,
상기 제 2 기간에서는, 상기 주사선 구동 회로로의 클록 신호의 공급이 정지되고,
상기 터치 패널로부터의 조작 신호에 따라 상기 제 2 기간의 종료의 타이밍이 제어되고,
상기 트랜지스터는 산화물 반도체막을 갖고,
상기 트랜지스터는 상기 산화물 반도체막에 채널 형성 영역을 갖고,
상기 산화물 반도체막은 In과, Ga와, Zn을 갖는 액정 표시 장치의 제작 방법으로서,
상기 산화물 반도체막으로부터 수분 또는 수소를 탈리시키는 제 1 공정과,
상기 제 1 공정 후에, 상기 산화물 반도체막 위쪽에 산소를 포함하는 절연막을 형성하는 제 2 공정과,
상기 제 2 공정 후에, 가열 처리를 수행함으로써 상기 산화물 반도체막에 산소를 공급하는 제 3 공정을 갖는 것을 특징으로 하는, 액정 표시 장치의 제작 방법. - 화소부와, 주사선 구동 회로와, 터치 패널을 갖고,
상기 화소부는 트랜지스터와, 액정 소자를 갖고,
정지화를 표시하는 기간은 제 1 기간과, 상기 제 1 기간에서 설정된 표시 상태를 유지하는 제 2 기간을 갖고,
상기 제 1 기간에서는, 상기 트랜지스터를 통해 상기 액정 소자에 화상 신호가 입력되고,
상기 제 2 기간에서는, 상기 주사선 구동 회로로의 클록 신호의 공급이 정지되고,
상기 터치 패널로부터의 조작 신호에 따라 상기 제 2 기간의 종료의 타이밍이 제어되고,
상기 트랜지스터는 게이트 전극과, 게이트 절연막과, 산화물 반도체막과, 소스 전극과, 드레인 전극을 갖고,
상기 트랜지스터는 상기 산화물 반도체막에 채널 형성 영역을 갖고,
상기 산화물 반도체막은 In과, Ga와, Zn을 갖는 액정 표시 장치의 제작 방법으로서,
상기 게이트 전극을 형성하는 제 1 공정과,
상기 게이트 전극 위쪽에 상기 게이트 절연막을 형성하는 제 2 공정과,
상기 게이트 절연막 위쪽에 상기 산화물 반도체막을 형성하는 제 3 공정과,
상기 산화물 반도체막으로부터 수분 또는 수소를 탈리시키는 제 4 공정과,
상기 제 4 공정 후에, 상기 산화물 반도체막 위쪽에 소스 전극 및 드레인 전극을 형성하는 제 5 공정과,
상기 제 5 공정 후에, 상기 산화물 반도체막에 산소를 공급하는 제 6 공정을 갖는 것을 특징으로 하는, 액정 표시 장치의 제작 방법. - 화소부와, 주사선 구동 회로와, 터치 패널을 갖고,
상기 화소부는 트랜지스터와, 액정 소자를 갖고,
정지화를 표시하는 기간은 제 1 기간과, 상기 제 1 기간에서 설정된 표시 상태를 유지하는 제 2 기간을 갖고,
상기 제 1 기간에서는, 상기 트랜지스터를 통해 상기 액정 소자에 화상 신호가 입력되고,
상기 제 2 기간에서는, 상기 주사선 구동 회로로의 클록 신호의 공급이 정지되고,
상기 터치 패널로부터의 조작 신호에 따라 상기 제 2 기간의 종료의 타이밍이 제어되고,
상기 트랜지스터는 게이트 전극과, 게이트 절연막과, 산화물 반도체막과, 소스 전극과, 드레인 전극과, 산소를 포함하는 절연막을 갖고,
상기 트랜지스터는 상기 산화물 반도체막에 채널 형성 영역을 갖고,
상기 산화물 반도체막은 In과, Ga와, Zn을 갖는 액정 표시 장치의 제작 방법으로서,
상기 게이트 전극을 형성하는 제 1 공정과,
상기 게이트 전극 위쪽에 상기 게이트 절연막을 형성하는 제 2 공정과,
상기 게이트 절연막 위쪽에 상기 산화물 반도체막을 형성하는 제 3 공정과,
상기 산화물 반도체막으로부터 수분 또는 수소를 탈리시키는 제 4 공정과,
상기 제 4 공정 후에, 상기 산화물 반도체막 위쪽에 소스 전극 및 드레인 전극을 형성하는 제 5 공정과,
상기 제 5 공정 후에, 상기 산화물 반도체막 위쪽, 상기 소스 전극 위쪽 및 상기 드레인 전극 위쪽에 상기 절연막을 형성하는 제 6 공정과,
상기 제 6 공정 후에, 가열 처리를 수행함으로써 상기 산화물 반도체막에 산소를 공급하는 제 7 공정을 갖는 것을 특징으로 하는, 액정 표시 장치의 제작 방법. - 화소부와, 주사선 구동 회로와, 터치 패널을 갖고,
상기 화소부는 트랜지스터와, 액정 소자를 갖고,
정지화를 표시하는 기간은 제 1 기간과, 상기 제 1 기간에서 설정된 표시 상태를 유지하는 제 2 기간을 갖고,
상기 제 1 기간에서는, 상기 트랜지스터를 통해 상기 액정 소자에 화상 신호가 입력되고,
상기 제 2 기간에서는, 상기 주사선 구동 회로로의 클록 신호의 공급이 정지되고,
상기 터치 패널로부터의 조작 신호에 따라 상기 제 2 기간의 종료의 타이밍이 제어되고,
상기 트랜지스터는,
게이트 전극과,
상기 게이트 전극 위쪽의 게이트 절연막과,
상기 게이트 절연막 위쪽의 산화물 반도체막과,
상기 산화물 반도체막 위쪽의 소스 전극과,
상기 산화물 반도체막 위쪽의 드레인 전극과,
상기 산화물 반도체막 위쪽, 상기 소스 전극 위쪽 및 상기 드레인 전극 위쪽의 산화규소막과,
상기 산화규소막 위쪽의 질화규소막을 갖고,
상기 트랜지스터는 상기 산화물 반도체막에 채널 형성 영역을 갖고,
상기 산화물 반도체막은 In과, Ga와, Zn을 갖는 것을 특징으로 하는, 액정 표시 장치.
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