KR101346343B1 - Mems 표시장치를 구동하기 위한 시스템 및 방법 - Google Patents
Mems 표시장치를 구동하기 위한 시스템 및 방법 Download PDFInfo
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- KR101346343B1 KR101346343B1 KR1020097001220A KR20097001220A KR101346343B1 KR 101346343 B1 KR101346343 B1 KR 101346343B1 KR 1020097001220 A KR1020097001220 A KR 1020097001220A KR 20097001220 A KR20097001220 A KR 20097001220A KR 101346343 B1 KR101346343 B1 KR 101346343B1
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- 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
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- G—PHYSICS
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- 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
- G09G3/3433—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 light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
- G09G3/3466—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 light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on interferometric effect
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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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/029—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
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- G—PHYSICS
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- G09G2320/00—Control of display operating conditions
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/041—Temperature compensation
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/043—Preventing or counteracting the effects of ageing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S385/00—Optical waveguides
- Y10S385/901—Illuminating or display apparatus
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Abstract
Description
Claims (69)
- 마이크로전자기계 시스템(MEMS: microelectromechanical system) 표시 소자들의 어레이;적어도 하나의 시험 편향 소자(test deflecting element);상기 시험 편향 소자에 접속되어, 상기 시험 편향 소자를 작동시키는 일 없이 해당 시험 편향 소자의 편향을 모니터링하고 해당 편향에 의거해서 상기 MEMS 표시 소자들의 어레이의 동작에 영향을 미치는 1개 이상의 변수를 나타내는 신호를 제공하도록 구성된 편향 감지 회로; 및상기 MEMS 표시 소자들의 어레이 및 상기 편향 감지 회로에 접속되어, 상기 편향 감지 회로로부터 전달된 신호에 적어도 부분적으로 의거해서 상기 MEMS 표시 소자들의 어레이를 구동하도록 구성된 구동 회로를 포함하는 표시장치.
- 삭제
- 제1항에 있어서, 상기 편향 감지 회로는 상기 구동 회로 내에 위치되어 있는 것인 표시장치.
- 제1항에 있어서, 각각의 MEMS 표시 소자는 간섭계 변조기(interferometric modulator)를 포함하고, 상기 간섭계 변조기는 전극층, 편향 소자 및 상기 전극층 과 상기 편향 소자에 의해 규정된 간극을 포함하며, 상기 편향 소자는 해당 편향 소자와 상기 전극층 사이에 인가된 전압에 응답해서 상기 간극 내에서 이동하는 것인 표시장치.
- 제1항에 있어서, 상기 시험 편향 소자의 편향은 상기 MEMS 표시 소자들의 어레이의 동작에 영향을 미치는 1개 이상의 변수의 함수인 것인 표시장치.
- 제1항에 있어서, 상기 MEMS 표시 소자들의 어레이의 동작에 영향을 미치는 1개 이상의 변수를 나타내는 신호는 상기 시험 편향 소자의 편향을 나타내는 신호를 포함하는 것인 표시장치.
- 제1항에 있어서, 상기 시험 편향 소자는 기판 상에 형성되어 있는 것인 표시장치.
- 제7항에 있어서, 상기 편향 감지 회로는 상기 시험 편향 소자와 상기 기판 사이의 전기 용량(capacitance)을 모니터링함으로써 상기 시험 편향 소자의 편향을 모니터링하도록 구성된 것인 표시장치.
- 제7항에 있어서, 상기 편향 감지 회로는 상기 시험 편향 소자와 상기 기판 사이의 실질적으로 일정한 전압을 인가하도록 구성된 것인 표시장치.
- 제7항에 있어서, 상기 편향 감지 회로는, 상기 시험 편향 소자와 상기 기판 사이에 인가된 전압을, 상기 시험 편향 소자의 편향이 기준값과 실질적으로 동일하게 되도록 하는 제1전압으로 조정하도록 구성된 것인 표시장치.
- 제10항에 있어서, 상기 MEMS 표시 소자들의 어레이의 동작에 영향을 미치는 1개 이상의 변수를 나타내는 신호는 상기 제1전압을 포함하는 것인 표시장치.
- 제10항에 있어서, 상기 시험 편향 소자의 편향은, 상기 시험 편향 소자와 상기 기판 사이에 기준 전압이 인가되고 상기 시험 편향 소자가 기준 온도에 있을 때 기준값에 있는 것인 표시장치.
- 제4항에 있어서, 상기 시험 편향 소자와, 상기 간섭계 변조기들의 어레이의 상기 편향 소자는 각각 제1 및 제2 전기 기계적 응답을 가지며, 상기 제1 및 제2 전기 기계적 응답은 서로 소정의 관계를 가지는 것인 표시장치.
- 제13항에 있어서, 상기 제1 및 제2 전기 기계적 응답은 각각 온도의 함수인 것인 표시장치.
- 제4항에 있어서, 상기 시험 편향 소자와 상기 간섭계 변조기들의 어레이의 상기 편향 소자는 실질적으로 동일한 것인 표시장치.
- 제4항에 있어서, 상기 시험 편향 소자의 규모는 상기 간섭계 변조기들의 어레이의 상기 편향 소자보다 실질적으로 큰 것인 표시장치.
- 제4항에 있어서, 상기 시험 편향 소자와, 상기 간섭계 변조기들의 어레이의 상기 편향 소자는 실질적으로 동일한 재료로 제조된 것인 표시장치.
- 제4항에 있어서, 상기 시험 편향 소자와, 상기 간섭계 변조기들의 어레이의 상기 편향 소자는 실질적으로 동일한 방법에 의해 형성된 것인 표시장치.
- 제4항에 있어서, 상기 시험 편향 소자와, 상기 간섭계 변조기들의 어레이의 상기 편향 소자는 실질적으로 동시에 형성된 것인 표시장치.
- 제4항에 있어서, 상기 시험 편향 소자와 상기 간섭계 변조기들의 어레이는 공통 기판 상에 형성된 것인 표시장치.
- 제1항에 있어서, 상기 편향 감지 회로는 실질적으로 연속적으로 편향을 모니터링하도록 구성된 것인 표시장치.
- 제1항에 있어서,디스플레이;상기 디스플레이와 연통하여, 이미지 데이터를 처리하도록 구성된 프로세서; 및상기 프로세서와 연통하도록 구성된 메모리 장치를 추가로 포함하는 표시장치.
- 제22항에 있어서, 상기 디스플레이에 적어도 하나의 신호를 전송하도록 구성된 드라이버 회로를 추가로 포함하는 표시장치.
- 제23항에 있어서, 상기 드라이버 회로에 상기 이미지 데이터의 적어도 일부를 전송하도록 구성된 제어기를 추가로 포함하는 표시장치.
- 제22항에 있어서, 상기 프로세서에 상기 이미지 데이터를 전송하도록 구성된 이미지 소스 모듈(image source module)을 추가로 포함하는 표시장치.
- 제25항에 있어서, 상기 이미지 소스 모듈은 수신기, 트랜스시버(transceiver) 및 송신기의 적어도 하나를 포함하는 것인 표시장치.
- 제22항에 있어서, 입력 데이터를 수신하고 해당 입력 데이터를 상기 프로세 서에 전달하도록 구성된 입력 장치를 추가로 포함하는 표시장치.
- 제1항에 있어서, 상기 MEMS 표시 소자들의 어레이의 동작에 영향을 미치는 1개 이상의 변수는 온도를 포함하는 것인 표시장치.
- 제1항에 있어서, 상기 MEMS 표시 소자들의 어레이의 동작에 영향을 미치는 1개 이상의 변수는 노화(aging)를 포함하는 것인 표시장치.
- MEMS 표시 소자들의 어레이;기판 상에 형성된 시험 편향 소자들의 어레이; 및상기 시험 편향 소자들의 어레이에 접속되어, 해당 시험 편향 소자들의 어레이의 전기 용량을 모니터링하고 해당 전기 용량에 의거해서 상기 MEMS 표시 소자들의 어레이의 동작에 영향을 미치는 1개 이상의 변수를 나타내는 신호를 제공하도록 구성된 편향 감지 회로; 및상기 MEMS 표시 소자들의 어레이 및 상기 편향 감지 회로에 접속되어, 상기 편향 감지 회로로부터 전달된 신호에 적어도 부분적으로 의거해서 상기 MEMS 표시 소자들의 어레이를 구동하도록 구성된 구동 회로를 포함하되,상기 시험 편향 소자는 각각 평행하게 접속되어 있는 것인 표시장치.
- 제30항에 있어서, 각각의 MEMS 표시 소자는 간섭계 변조기를 포함하고, 상기 간섭계 변조기는 전극층, 편향 소자 및 상기 전극층과 상기 편향 소자에 의해 규정된 간극을 포함하며, 상기 편향 소자는 해당 편향 소자와 상기 전극층 사이에 인가 된 전압에 응답해서 상기 간극 내에서 이동하는 것인 표시장치.
- 제30항에 있어서, 각 시험 편향 소자의 편향은 상기 MEMS 표시 소자들의 어레이의 동작에 영향을 미치는 1개 이상의 변수의 함수인 것인 표시장치.
- 제30항에 있어서, 상기 MEMS 표시 소자들의 어레이의 동작에 영향을 미치는 1개 이상의 변수를 나타내는 신호는 상기 전기 용량을 나타내는 신호를 포함하는 것인 표시장치.
- 제30항에 있어서, 상기 편향 감지 회로는 각 시험 편향 소자와 상기 기판 사이에 공통의 실질적으로 일정한 전압을 인가하도록 구성된 것인 표시장치.
- 제34항에 있어서, 상기 편향 감지 회로는, 각 시험 편향 소자와 상기 기판 사이에 인가된 상기 공통의 전압을, 각 시험 편향 소자의 편향이 기준값과 실질적으로 동일하게 되도록 하는 제1전압으로 조정하도록 구성된 것인 표시장치.
- 제35항에 있어서, 상기 MEMS 표시 소자들의 어레이의 동작에 영향을 미치는 1개 이상의 변수를 나타내는 신호는 상기 제1전압을 포함하는 것인 표시장치.
- 제35항에 있어서, 각 시험 편향 소자의 편향은, 상기 시험 편향 소자와 상기 기판 사이에 기준 전압이 인가되고 상기 시험 편향 소자가 기준 온도에 있을 때 기준값에 있는 것인 표시장치.
- 제31항에 있어서, 각 시험 편향 소자와, 상기 간섭계 변조기들의 어레이의 상기 편향 소자는 각각 제1 및 제2 전기 기계적 응답을 가지며, 상기 제1 및 제2 전기 기계적 응답은 서로 소정의 관계를 가지는 것인 표시장치.
- 제38항에 있어서, 상기 제1 및 제2 전기 기계적 응답은 각각 온도의 함수인 것인 표시장치.
- 제31항에 있어서, 각 시험 편향 소자와 상기 간섭계 변조기들의 어레이의 상기 편향 소자는 실질적으로 동일한 것인 표시장치.
- 제31항에 있어서, 각 시험 편향 소자와 상기 간섭계 변조기들의 어레이의 상기 편향 소자는 실질적으로 동일한 재료로 제조된 것인 표시장치.
- 제31항에 있어서, 상기 시험 편향 소자들의 어레이와, 상기 간섭계 변조기들의 어레이의 상기 편향 소자는 실질적으로 동일한 방법에 의해 형성된 것인 표시장치.
- 제31항에 있어서, 상기 시험 편향 소자들의 어레이와, 상기 간섭계 변조기들의 어레이의 상기 편향 소자는 실질적으로 동시에 형성된 것인 표시장치.
- 제31항에 있어서, 상기 시험 편향 소자들의 어레이와 상기 간섭계 변조기들의 어레이는 공통 기판 상에 형성된 것인 표시장치.
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- 제30항에 있어서, 상기 편향 감지 회로는 각 시험 편향 소자가 작동되는 것을 방지하도록 구성된 것인 표시장치.
- 제30항에 있어서, 상기 MEMS 표시 소자들의 어레이의 동작에 영향을 미치는 1개 이상의 변수는 온도를 포함하는 것인 표시장치.
- 제30항에 있어서, 상기 MEMS 표시 소자들의 어레이의 동작에 영향을 미치는 1개 이상의 변수는 노화를 포함하는 것인 표시장치.
- 1개 이상의 시험 편향 소자가 비작동 상태인 채로 있도록 선택된 전압을 상기 1개 이상의 시험 편향 소자에 대해서 인가하는 단계;상기 1개 이상의 시험 편향 소자의 편향을 측정하는 단계; 및상기 편향 측정치에 적어도 부분적으로 의거해서 간섭계 변조기들의 어레이에 구동 신호를 제공하는 단계를 포함하는, 간섭계 변조기들의 어레이를 구동하는 방법.
- 제49항에 있어서, 상기 편향을 측정하는 단계는 상기 1개 이상의 시험 편향 소자와 기판 사이의 전기 용량을 측정하는 단계를 포함하는 것인, 간섭계 변조기들의 어레이를 구동하는 방법.
- 제49항에 있어서, 상기 전압은 실질적으로 일정한 것인, 간섭계 변조기들의 어레이를 구동하는 방법.
- 제49항에 있어서, 상기 편향은 상기 간섭계 변조기들의 어레이의 동작에 영향을 미치는 1개 이상의 변수의 함수인 것인, 간섭계 변조기들의 어레이를 구동하는 방법.
- 제52항에 있어서, 상기 1개 이상의 변수는 온도를 포함하는 것인, 간섭계 변조기들의 어레이를 구동하는 방법.
- 제52항에 있어서, 상기 1개 이상의 변수는 노화를 포함하는 것인, 간섭계 변조기들의 어레이를 구동하는 방법.
- 1개 이상의 시험 편향 소자에 DC 성분을 포함하는 가변 전압을 인가하는 단계;상기 DC 성분의 전압을, 상기 1개 이상의 시험 편향 소자의 편향이 기준값과 실질적으로 동일하게 되도록 하는 값으로 조정하는 단계로서, 이때 1개 이상의 시험 편항 소자는 비작동 상태인 채로 있도록 하는 것인 조정 단계; 및상기 값에 적어도 부분적으로 의거해서 간섭계 변조기들의 어레이에 구동 신호를 제공하는 단계를 포함하는, 간섭계 변조기들의 어레이를 구동하는 방법.
- 제55항에 있어서, 상기 편향은 상기 1개 이상의 시험 편향 소자와 기판 사이의 전기 용량에 적어도 부분적으로 의거해서 측정되는 것인, 간섭계 변조기들의 어레이를 구동하는 방법.
- 이미지 데이터를 표시하는 표시 수단;상기 표시 수단과는 상이한 적어도 하나의 시험 편향 소자;상기 시험 편향 소자의 편향을 모니터링하되, 해당 시험 편향 소자를 작동시키는 일 없이 상기 시험 편향 소자의 편향을 모니터링하고 해당 편향에 의거해서 상기 표시 수단의 동작에 영향을 미치는 1개 이상의 변수를 나타내는 신호를 제공하도록 구성된 편향 모니터링 수단; 및상기 신호에 의거해서 상기 표시 수단을 구동하는 구동 수단을 포함하는 표시장치.
- 제57항에 있어서, 상기 표시 수단은 간섭계 변조기들의 어레이를 포함하는 것인 표시장치.
- 제57항에 있어서, 상기 1개 이상의 변수는 온도를 포함하는 것인 표시장치.
- 제57항에 있어서, 상기 1개 이상의 변수는 노화를 포함하는 것인 표시장치.
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US11/472,880 US7702192B2 (en) | 2006-06-21 | 2006-06-21 | Systems and methods for driving MEMS display |
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PCT/US2007/013886 WO2007149284A2 (en) | 2006-06-21 | 2007-06-12 | Systems and methods for driving mems display |
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- 2007-06-12 KR KR1020097001220A patent/KR101346343B1/ko not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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TW200815786A (en) | 2008-04-01 |
US20070296691A1 (en) | 2007-12-27 |
KR20090033445A (ko) | 2009-04-03 |
JP2009541794A (ja) | 2009-11-26 |
CN101501750A (zh) | 2009-08-05 |
JP5102292B2 (ja) | 2012-12-19 |
WO2007149284A3 (en) | 2008-03-27 |
US7702192B2 (en) | 2010-04-20 |
WO2007149284A2 (en) | 2007-12-27 |
CN101501750B (zh) | 2011-11-09 |
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