TWI456557B - 顯示單元，屏障裝置，及顯示單元之驅動方法 - Google Patents

顯示單元，屏障裝置，及顯示單元之驅動方法 Download PDF

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TWI456557B
TWI456557B TW101116668A TW101116668A TWI456557B TW I456557 B TWI456557 B TW I456557B TW 101116668 A TW101116668 A TW 101116668A TW 101116668 A TW101116668 A TW 101116668A TW I456557 B TWI456557 B TW I456557B
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liquid crystal
waveform
display unit
barrier
crystal barriers
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TW201306010A (zh
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Yuji Nakahata
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Sony Corp
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    • 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • 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
    • G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
    • G09G3/003—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to produce spatial visual effects
    • 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
    • G09G3/3406—Control of illumination source
    • 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
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/31—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers
    • H04N13/315—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers the parallax barriers being time-variant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/317—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using slanted parallax optics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/356—Image reproducers having separate monoscopic and stereoscopic modes
    • H04N13/359—Switching between monoscopic and stereoscopic modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/398—Synchronisation thereof; Control thereof
    • 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
    • G09G2300/02—Composition of display devices
    • G09G2300/023—Display panel composed of stacked panels
    • G—PHYSICS
    • 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
    • G09G2310/0243—Details of the generation of driving signals
    • G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
    • 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
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0252—Improving the response speed
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • 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
    • G09G2330/026—Arrangements or methods related to booting a display

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Claims (20)

  1. 一種顯示單元，包含：顯示部；屏障部，包含複數個液晶屏障，該複數個液晶屏障係切換在開啟狀態及關閉狀態之間；以及屏障驅動部，係以一或複數個屏障驅動信號而驅動該屏障部，其中該一或複數個屏障驅動信號的每一者包含：第一波形部分，其包含使得該複數個液晶屏障被保持於該開啟狀態中的一連串波形，或第二波形部分，其包含使得該複數個液晶屏障於該開啟狀態與該關閉狀態之間切換的一連串波形，及第三波形部分，其相對於時間而設置於該第一波形部分或該第二波形部分之前，其中，該第三波形部分包含預備波形，該預備波形使得在該複數個液晶屏障中的複數個液晶分子之每一者的配向方向將彼此匹配。
  2. 如申請專利範圍第1之顯示單元，其中該屏障部包含第一複數個液晶屏障於第一群組中及第二複數個液晶屏障於第二群組中，以及該屏障驅動部係在二維影像顯示模式中提供該第一波形部分給該第二群組中之該第二複數個液晶屏障，且在三維影像顯示模式中提供直流電壓給該第二群組中之該第二複數個液晶屏障。
  3. 如申請專利範圍第2項之顯示單元，其中該第三波形部分係在從該三維影像顯示模式切換到該二維影像顯示模式的模式之前，被提供給該第二群組中之該第二複數個液晶屏障。
  4. 如申請專利範圍第2項之顯示單元，其中該屏障驅動部係在該二維影像顯示模式的起動時間時，提供該第三波形部分給該第二群組中之該第二複數個液晶屏障。
  5. 如申請專利範圍第2項之顯示單元，其中在該第一群組中之該第一複數個液晶屏障被分成複數個屏障子群組，以及該屏障驅動部係在該二維影像顯示模式中提供該第一波形部分給該第一群組中之該第一複數個液晶屏障，且在該三維影像顯示模式中提供具有在該複數個屏障子群組中彼此互相偏移之相位的該等第二波形部分給該第一群組中之該第一複數個液晶屏障。
  6. 如申請專利範圍第2項之顯示單元，其中該屏障驅動部係在該二維影像顯示模式中及在該三維影像顯示模式中，提供該第一波形部分給該第一群組中之該第一複數個液晶屏障。
  7. 如申請專利範圍第2項之顯示單元，其中該屏障驅動部係在起動時間時提供該第三波形部分給該第一群組中之該第一複數個液晶屏障。
  8. 如申請專利範圍第2項之顯示單元，其中該第三波形部分係具有與該直流電壓不同之電壓的直流波形。
  9. 如申請專利範圍第1項之顯示單元，其中該第三波形部分係脈波波形。
  10. 如申請專利範圍第9項之顯示單元，其中該第三波形部分具有相等於該第一波形部分或該第二波形部分之脈波高度值的最大值之最大脈波高度值。
  11. 如申請專利範圍第1項之顯示單元，其中該第三波形部分係極性交流波形。
  12. 如申請專利範圍第11項之顯示單元，其中該第三波形部分具有相等的正電壓時間和負電壓時間。
  13. 如申請專利範圍第1項之顯示單元，其中該屏障驅動部係在施加該第三波形部分至該複數個液晶屏障中，施加前一所施加之該第三波形部分的反相型式。
  14. 如申請專利範圍第1項之顯示單元，其中該複數個液晶屏障之各者延伸於第一方向中且包含：液晶層及複數個子電極，該複數個子電極係並排地配置於該第一方向中，該複數個子電極之各者包含：第一主幹部分，延伸於該第一方向中，第二主幹部分，延伸於與該第一主幹部分交叉的方向中，及複數個分支部分，延伸於離開該第一主幹部分及該第二主幹部分二者的方向中，且該複數個分支部分係以相同方向而延伸於第一分支區、第二分支區、第三分支區、及第四分支區的每一者之內，該第一分支區及該第二分支區係以該第二主幹部分介 於其間而被設置於該第一主幹部分的一側，該第三分支區係設置於該第一主幹部分之與該第一分支區相反的側，以及該第四分支區係設置於該第一主幹部分之與該第二分支區相反的側。
  15. 如申請專利範圍第14項之顯示單元，進一步包含：第一偏光器，係設置於該液晶層之一側上，且係架構在該顯示部的顯示面內以垂直方向或水平方向的其中一者傳送偏光；以及第二偏光器，係設置於該液晶層之與該第一偏光器相反的側上，且係架構以該垂直方向或該水平方向的另一者傳送偏光，其中該第一分支區中的分支部分及該第四分支區中的分支部分延伸於自該水平方向反時鐘傾斜約45度的方向中，且該第二分支區中的分支部分及該第三分支區中的分支部分延伸於自該水平方向順時鐘傾斜約45度的方向中。
  16. 如申請專利範圍第14項之顯示單元，其中該屏障部包含共同電極，該共同電極係共同地形成於對應該液晶層之與該複數個子電極相反的側上之該複數個液晶屏障的區域上。
  17. 如申請專利範圍第1項之顯示單元，進一步包含：背光，其中該顯示部係液晶顯示部，且 該液晶顯示部係設置於該背光與該屏障部之間。
  18. 如申請專利範圍第1項之顯示單元，進一步包含：背光，其中該顯示部係液晶顯示部，且該屏障部係設置於該背光與該液晶顯示部之間。
  19. 一種屏障裝置，包含：屏障部，包含複數個液晶屏障，該複數個液晶屏障係切換在開啟狀態及關閉狀態之間；以及屏障驅動部，係以一或複數個屏障驅動信號而驅動該屏障部，其中該一或複數個屏障驅動信號的每一者包含：第一波形部分，其包含使得該複數個液晶屏障被保持於該開啟狀態中的一連串波形，或第二波形部分，其包含使得該複數個液晶屏障於該開啟狀態與該關閉狀態之間切換的一連串波形；及第三波形部分，其相對於時間而設置於該第一波形部分或該第二波形部分之前，其中，該第三波形部分包含預備波形，該預備波形使得在該複數個液晶屏障中的複數個液晶分子之每一者的配向方向將彼此匹配。
  20. 一種顯示單元之驅動方法，該方法包含：提供一或複數個屏障驅動信號給複數個液晶屏障，該複數個液晶屏障係切換在開啟狀態及關閉狀態之間；以及其中該一或複數個屏障驅動信號的每一者包含： 第一波形部分，其包含使得該複數個液晶屏障被保持於該開啟狀態中的一連串波形，或第二波形部分，其包含使得該複數個液晶屏障於該開啟狀態與該關閉狀態之間切換的一連串波形，及第三波形部分，其相對於時間而設置於該第一波形部分或該第二波形部分之前，其中，該第三波形部分包含預備波形，該預備波形使得在該複數個液晶屏障中的複數個液晶分子之每一者的配向方向將彼此匹配。
TW101116668A 2011-05-20 2012-05-10 顯示單元，屏障裝置，及顯示單元之驅動方法 TWI456557B (zh)

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