WO2018177043A1 - 立体显示驱动方法、装置和显示设备 - Google Patents

立体显示驱动方法、装置和显示设备 Download PDF

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Publication number
WO2018177043A1
WO2018177043A1 PCT/CN2018/076519 CN2018076519W WO2018177043A1 WO 2018177043 A1 WO2018177043 A1 WO 2018177043A1 CN 2018076519 W CN2018076519 W CN 2018076519W WO 2018177043 A1 WO2018177043 A1 WO 2018177043A1
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Prior art keywords
eye image
gate lines
gate line
display
gate
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PCT/CN2018/076519
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English (en)
French (fr)
Inventor
李全虎
林奕呈
王雨
吴月
孟松
李永谦
徐攀
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京东方科技集团股份有限公司
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Priority to US16/097,815 priority Critical patent/US10798372B2/en
Publication of WO2018177043A1 publication Critical patent/WO2018177043A1/zh

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    • 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
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3233—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
    • 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
    • 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
    • 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
    • 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
    • G09G2310/0202—Addressing of scan or signal lines
    • G09G2310/0205—Simultaneous scanning of several lines in flat 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
    • G09G2310/0202—Addressing of scan or signal lines
    • G09G2310/0218—Addressing of scan or signal lines with collection of electrodes in groups for n-dimensional addressing
    • 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
    • G09G3/2007—Display of intermediate tones
    • 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
    • H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
    • H04N13/341—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using temporal multiplexing

Definitions

  • the present disclosure relates to the field of display driving technologies, and in particular, to a stereoscopic display driving method, apparatus, and display device.
  • the normal shutter type 3D (3D) display drive mode divides the normal frame 60HZ (hertz) picture into two frames of 120HZ pictures, which are divided into left and right eye displays, and in order to refresh the entire picture within 120HZ of each frame, In this 3D mode operation, the charging time of the pixel will be halved.
  • the P_GDM Pulsudo Gate Double Method
  • P_GDM The display mode is divided into odd-numbered frames and even-numbered frames.
  • the charging time is doubled by the gate signal control, and the full-resolution display under the odd-numbered rows or even-numbered rows of data has a certain loss, but in the corresponding rows of repeated scans, the actual displayed brightness and The brightness of the written data differs greatly. Especially in the case where the difference in image information of adjacent lines is large, if the P-GDM display is used, the boundary of the image is likely to be blurred or the image is distorted.
  • the main purpose of the present disclosure is to provide a stereoscopic display driving method, apparatus, and display device.
  • the present disclosure provides a stereoscopic display driving method for driving a display panel for stereoscopic display
  • the display panel is provided with a plurality of rows of gate lines, and the plurality of rows of gate lines are divided into M groups;
  • Each set of gate lines includes two adjacent rows of gate lines, the adjacent two rows of gate lines including a first gate line and a second gate;
  • M is an integer greater than one;
  • each display period includes a left eye image frame and a right An eye image frame, each of the left eye image frames includes 2M left eye image display time segments, each of the right eye image frames includes 2M right eye image display time segments;
  • the stereoscopic display driving method includes: During a display period,
  • the first gate line in the nth group of gate lines is scanned, in a part of the time period included in the 2n-1th left-eye image display period Scanning a second gate line of the nth group of gate lines;
  • n is a positive integer less than or equal to M.
  • the ratio of the duration of the partial time period included in the 2n-1 left-eye image period to the duration of the 2n-1 left-eye image period is greater than 0 and less than 1.
  • each display period includes a left eye image frame and a right eye image frame that are sequentially set in sequence, or each display period includes a right eye image frame and a left eye image frame that are sequentially set in sequence.
  • the first gate line is a first row of gate lines of the set of gate lines
  • the second gate line is a second row of gate lines of the set of gate lines after the first gate line
  • the second gate line is a first row of gate lines of the set of gate lines
  • the first gate line is a second row of gate lines of the set of gate lines after the second gate line.
  • the ratio is determined according to data voltages of the first gate line and the second gate line when the display panel performs stereoscopic display.
  • the present disclosure also provides a stereoscopic display driving device for driving a display panel for stereoscopic display, the display panel is provided with a plurality of rows of gate lines, and the plurality of rows of gate lines are divided into M groups; each group of gates The line includes two adjacent rows of gate lines, the adjacent two rows of gate lines including a first gate line and a second gate line; M is an integer greater than one; the stereoscopic display driving device includes:
  • a frame dividing unit configured to divide each display period into a left eye image frame and a right eye image frame
  • a display driving unit configured to scan the first gate line of the nth group of gate lines in the 2n-1th left eye image display period in the left eye image frame in each display period, in the 2n- 1 scanning the nth grid line in the nth group of gate lines in a part of the time period included in the left eye image display period, and scanning the nth group grid in the 2n right eye image display period in the right eye image frame
  • the second gate line in the line, n is a positive integer less than or equal to M.
  • the ratio of the duration of the partial time period included in the 2n-1 left-eye image period to the duration of the 2n-1 left-eye image period is greater than 0 and less than 1.
  • each display period includes a left eye image frame and a right eye image frame that are sequentially set in sequence, or each display period includes a right eye image frame and a left eye image frame that are sequentially set in sequence.
  • the first gate line is a first row of gate lines of the set of gate lines
  • the second gate line is a second row of gate lines of the set of gate lines after the first gate line
  • the second gate line is a first row of gate lines of the set of gate lines
  • the first gate line is a second row of gate lines of the set of gate lines after the second gate line.
  • the ratio is determined according to data voltages of the first gate line and the second gate line when the display panel performs stereoscopic display.
  • the present disclosure also provides a display device including the display driving device described above.
  • FIG. 1 is a flowchart of a stereoscopic display driving method according to an embodiment of the present disclosure
  • FIG. 2A is a schematic diagram of a gate driving signal of a left eye image frame in a specific embodiment of the stereoscopic display driving method according to the present disclosure
  • 2B is a schematic diagram of a gate driving signal of a right eye image frame in a specific embodiment of the stereoscopic display driving method according to the present disclosure
  • FIG. 3 is a block diagram showing the structure of a stereoscopic display driving device according to an embodiment of the present disclosure.
  • a stereoscopic display driving method is configured to drive a display panel for stereoscopic display, wherein the display panel is provided with a plurality of rows of gate lines, and the plurality of rows of gate lines are divided into M Group; each set of gate lines includes two adjacent rows of gate lines; M is an integer greater than 1; each display period includes a left eye image frame and a right eye image frame, and each of the left eye image frames includes 2M left eyes An image display time period, each of the right eye image frames includes 2M right eye image display time segments; and the stereoscopic display driving method includes: in each display cycle,
  • S1 scanning, in the left-eye image frame, the first gate line in the nth group of gate lines during the 2n-1th left-eye image display period, and the part of the time included in the 2n-1th left-eye image display period Scanning a second gate line of the nth group of gate lines;
  • n is a positive integer less than or equal to M.
  • the display driving method divides a display period into a left eye image frame and a right eye image frame, and divides the plurality of rows of gate lines into M groups of gate lines, and each group of gate lines includes two adjacent lines. a row gate line; in the left eye image frame, scanning a second gate line in the nth group of gate lines in a portion of the time period included in the 2n-1 left eye image display period, such that two of the related art
  • the frame multi-frequency scanning mode is changed into a two-frame down-conversion hybrid gate scanning mode.
  • the embodiment of the present disclosure can ensure that the actual display data is close to the final written data by adjusting the charging time of some rows by adjusting the gate scanning time. Therefore, the difference between the brightness of the actual display and the brightness of the written data existing when the P_GDM display mode is used in the related art is relatively large, thereby causing distortion of the 3D image display.
  • the ratio of the duration of the partial time period included in the 2n-1 left-eye image period to the duration of the 2n-1 left-eye image period is greater than 0 and less than 1, and the actual value of the ratio is It is selected based on the actual data voltages of the two rows before and after the actual display.
  • the embodiment of the present disclosure proposes a hybrid gate signal driving mode. By adjusting the pulse width of the gate scanning signal, the corresponding row in the repeated scanning is realized, and the brightness of the actual display is close to the brightness of the written data.
  • each display period may include a left eye image frame and a right eye image frame that are sequentially set, or each frame display time may include a right eye image frame and a left eye image frame that are sequentially set.
  • the first gate line may be a previous row of gate lines in the group of gate lines, and the second gate line is a row of gate lines in the group of gate lines; or the second gate line It may be a previous row of gate lines in the set of gate lines, and the first gate line is a row of gate lines in the set of gate lines.
  • a display period is divided into a left eye image frame and a right eye image frame which are sequentially disposed;
  • the nth group gate line includes an Nth row gate line Gata_N and a N+1 row gate line Gata_N+1;
  • the n+1th group gate line includes an N+2th gate line Gata_N+2 and an N+3th gate line Gata_N+3;
  • n and N are both positive integers;
  • the left eye image frame includes a first left eye image display period T11, a second left eye image display period T12, a third left eye image display period T13, and a fourth left eye image display period T14. ;
  • the Nth row gate line Gata_N included in the nth group gate line is scanned, and the first scan period included in the first left eye image display period T11 , scanning the nth group of gate lines including the N+1th gate line Gata_N+1;
  • the N+1th row gate line Gata_N+2 included in the n+1th group gate line is scanned, and is included in the second left eye image display period T12. a second scan period, scanning the n+1th row gate line Gata_N+3 included in the n+1th group gate line;
  • the ratio of the time during which the eye image display period T12 lasts is ⁇ , ⁇ is the gate opening time coefficient, and ⁇ is a positive number less than 1; since the gate signal opening time is changed from T11 to ⁇ T11, from T12 to ⁇ T12, the brightness or gray level of the actual display picture is smaller than the brightness or gray level of the corresponding written data display;
  • the right eye image frame includes a fifth right eye image display period T21, a sixth right eye image display period T22, a seventh right eye image display period T23, and an eighth right eye image display period T24. ;
  • the N+3th gate line Gata_N+3 in the n+1th group gate line is scanned.
  • the data voltage on the data line is A
  • the second left-eye image display period T12 and the sixth right-eye image display period are T22
  • the data voltage on the data line is B
  • the third left-eye image display period T13 and the seventh right-eye image display period T23 the data voltage on the data line is C
  • the fourth left-eye image display period The T14 and the eighth right eye image display time period T24, the data voltage on the data line is D; then after the left eye image frame and the right eye image frame, the data voltage on the Nth row gate line Gata_N is A, the N+
  • the data voltage on the 1 row gate line Gata_N+1 is avg (A ⁇ F+B)
  • the data voltage on the N+2 row gate line Gata_N+2 is C
  • the data voltage is avg (C ⁇ F+D); where F is the
  • Avg(A ⁇ F+B) is the arithmetic mean of A ⁇ F and B, and avg(C ⁇ F+D) is the average of the algorithm of C ⁇ F+D.
  • the influence of the data voltage of the Nth row on the display effect of the N+1th row can be adjusted, and the value of the specific F is adjusted. Experiments are needed to obtain the best value of F by computing the data voltage of adjacent rows.
  • the display effect is affected by the data of the N+1th row of the previous frame.
  • Effect of Voltage Predata Because of the display driving method described in the embodiment of the present disclosure, the charging time of the N+1th row is short at T11 and T13, so if the difference between the data voltages of the two rows before and after is large, the charging may be incomplete. , so that the display effect will be affected by the data voltage of the N+1th line of the previous frame)
  • the data voltage A is darker, the data voltage B is brighter, and the data density Predata of the N+1th row of the previous frame is greater than A.
  • the A ⁇ Factor is smaller, and the data of the previous frame is larger.
  • the degree of retention is such that avg (A ⁇ F + B + Predata) is closer to the brightness of the data voltage B, at which point Factor is close to 0;
  • avg(A ⁇ F+B+Predata) is the average of the algorithms of A ⁇ F, B, and Predata
  • avg(A+B) is the average of the algorithms of A and B.
  • the data voltage processed in the real system is generally not linear with the luminance value, in order to control A ⁇ F, B, and Predata, three data voltages are actually associated, and the purpose of the embodiment of the present disclosure is to obtain and B data.
  • the brightness of the voltage is close, so the average value of the algorithm here can be understood as averaging the brightness obtained by multiple different data voltages as the target brightness value.
  • sequence numbers of the steps are not used to limit the sequence of the steps.
  • the steps of the steps are performed without any creative work. Variations are also within the scope of this disclosure.
  • the stereoscopic display driving device of the embodiment of the present disclosure is configured to drive a display panel for stereoscopic display, wherein the display panel is provided with a plurality of rows of gate lines, and the plurality of rows of gate lines are divided into M groups; each group of gates The line includes two adjacent rows of gate lines; M is an integer greater than one; as shown in FIG. 3, the stereoscopic display driving device includes:
  • a frame dividing unit 31 configured to divide each display period into a left eye image frame and a right eye image frame
  • the display driving unit 32 is configured to scan the first gate line of the nth group of gate lines in the 2n-1th left eye image display period in the left eye image frame in each display period, at 2n -1 scanning the second grid line in the nth group of gate lines in the partial period included in the left eye image display period, and scanning the nth group in the 2n right eye image display period in the right eye image frame A second gate line in the gate line, n being a positive integer less than or equal to M.
  • the display driving device divides a display period into a left-eye image frame and a right-eye image frame by the frame dividing unit 31, and passes the display driving unit 32 in the left-eye image frame at the 2n-1.
  • the left eye image display period scan includes a second gate line in the nth group of gate lines, so that the two-frame multi-frequency scanning method in the related art changes to a two-frame down-mixed mixed gate scanning mode.
  • the embodiment of the present disclosure can ensure that the actual display data is close to the final written data by adjusting the gate scan time, and by adjusting the charging coefficients of some of the rows, thereby achieving better contrast than the related art.
  • the ratio of the duration of the partial time period included in the 2n-1 left-eye image period to the duration of the 2n-1 left-eye image period is greater than 0 and less than 1, and the actual value of the ratio is It is selected based on the actual data voltages of the two rows before and after the actual display.
  • each frame display time may include a left eye image frame and a right eye image frame that are sequentially set, or each frame display time may include a right eye image frame and a left eye image frame that are sequentially set.
  • the first gate line may be a previous row of gate lines in the group of gate lines, and the second gate line is a row of gate lines in the group of gate lines; or the second gate line It may be a previous row of gate lines in the set of gate lines, and the first gate line is a row of gate lines in the set of gate lines.
  • the units may each be implemented with corresponding hardware circuits including conventional Very Large Scale Integration (VLSI) circuits or gate arrays and such as logic chips Semiconductors in related art such as transistors or other discrete components.
  • VLSI Very Large Scale Integration
  • the unit can also be implemented with programmable hardware devices, such as field programmable gate arrays, programmable array logic, programmable logic devices, and the like.
  • the display device described in the embodiments of the present disclosure includes the display driving device and the display screen described above.
  • the display device may be any product or component having a display function, such as a television, a display, a digital photo frame, a mobile phone, a tablet computer, or the like.

Abstract

本公开文本提供一种立体显示驱动方法、装置和显示设备。所述立体显示驱动方法包括：在每一显示周期内，在左眼图像帧内，在第2n-1左眼图像显示时间段内，扫描第n组栅线中的第一栅线，在第2n-1左眼图像显示时间段包括的部分时间段内，扫描第n组栅线中的第二栅线；在右眼图像帧内，在第2n右眼图像显示时间段内，扫描第n组栅线中的第二栅线；n为小于或等于M的正整数，M为大于1的整数。

Description

立体显示驱动方法、装置和显示设备
相关申请的交叉引用
本申请主张在2017年3月29日在中国提交的中国专利申请No.201710196336.3的优先权，其全部内容通过引用包含于此。
技术领域
本公开文本涉及显示驱动技术领域，尤其涉及一种立体显示驱动方法、装置和显示设备。
背景技术
普通快门式3D(三维)显示驱动模式，会将正常的一帧60HZ(赫兹)画面，分为两帧120HZ画面，分为左右眼显示，而为了在每一帧120HZ内刷新完整个画面，在这样3D模式工作下，像素的充电时间将减半，为了减小3D显示模式对于像素充电的需求，相关技术中提供了P_GDM(Pesudo Gate Double Method，伪栅极时间双倍方法)显示方式，P_GDM显示方式分为奇数帧和偶数帧，通过栅极信号调控实现了充电时间加倍，奇数行或者偶数行数据有一定损失下的全分辨率显示，但是在重复扫描的对应行，实际显示的亮度和写入数据的亮度相差比较大。尤其在相邻行图像信息差异巨大的情况下，如果采用P-GDM显示容易造成图像的边界变得模糊或者图像失真。
发明内容
本公开文本的主要目的在于提供一种立体显示驱动方法、装置和显示设备。
为了达到上述目的，本公开文本提供了一种立体显示驱动方法，用于驱动显示面板进行立体显示，所述显示面板上设置有多行栅线，所述多行栅线被划分为M组；每一组栅线包括相邻两行栅线，所述相邻的两行栅线包括第一栅线和第二栅；M为大于1的整数；每一显示周期包括左眼图像帧和右眼图像帧，每一所述左眼图像帧包括2M个左眼图像显示时间段，每一所述右 眼图像帧包括2M个右眼图像显示时间段；所述立体显示驱动方法包括：在每一显示周期内，
在左眼图像帧内，在第2n-1左眼图像显示时间段内，扫描第n组栅线中的第一栅线，在第2n-1左眼图像显示时间段包括的部分时间段内，扫描第n组栅线中的第二栅线；
在右眼图像帧内，在第2n右眼图像显示时间段内，扫描第n组栅线中的第二栅线；
n为小于或等于M的正整数。
实施时，所述2n-1左眼图像时间段包括的部分时间段持续的时间与该2n-1左眼图像时间段持续的时间的比值大于0且小于1。
实施时，每一显示周期包括先后依次设置的左眼图像帧和右眼图像帧，或者，每一显示周期包括先后依次设置的右眼图像帧和左眼图像帧。
实施时，所述第一栅线为该组栅线中的第一行栅线，所述第二栅线为该组栅线中的位于该第一栅线之后的第二行栅线；或者，所述第二栅线为该组栅线中的第一行栅线，所述第一栅线为该组栅线中的位于该第二栅线之后的第二行栅线。
实施时，所述比值是根据所述显示面板进行立体显示时的所述第一栅线和第二栅线的数据电压确定的。
本公开文本还提供了一种立体显示驱动装置，用于驱动显示面板进行立体显示，所述显示面板上设置有多行栅线，所述多行栅线被划分为M组；每一组栅线包括相邻两行栅线，所述相邻的两行栅线包括第一栅线和第二栅线；M为大于1的整数；所述立体显示驱动装置包括：
帧划分单元，用于将每一显示周期划分为左眼图像帧和右眼图像帧；以及，
显示驱动单元，用于在每一显示周期内，在左眼图像帧内，在第2n-1左眼图像显示时间段内，扫描第n组栅线中的第一栅线，在第2n-1左眼图像显示时间段包括的部分时间段内，扫描第n组栅线中的第二栅线，在右眼图像帧内，在第2n右眼图像显示时间段内，扫描第n组栅线中的第二栅线，n为小于或等于M的正整数。
实施时，所述2n-1左眼图像时间段包括的部分时间段持续的时间与该2n-1左眼图像时间段持续的时间的比值大于0且小于1。
实施时，每一显示周期包括先后依次设置的左眼图像帧和右眼图像帧，或者，每一显示周期包括先后依次设置的右眼图像帧和左眼图像帧。
实施时，所述第一栅线为该组栅线中的第一行栅线，所述第二栅线为该组栅线中的位于该第一栅线之后的第二行栅线；或者，所述第二栅线为该组栅线中的第一行栅线，所述第一栅线为该组栅线中的位于该第二栅线之后的第二行栅线。
实施时，所述比值是根据所述显示面板进行立体显示时的所述第一栅线和第二栅线的数据电压确定的。
本公开文本还提供了一种显示设备，包括上述的显示驱动装置。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请中记载的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。以下附图并未刻意按实际尺寸等比例缩放绘制，重点在于示出本申请的主旨。
图1是本公开文本实施例所述的立体显示驱动方法的流程图；
图2A是本公开文本所述的立体显示驱动方法的一具体实施例中左眼图像帧的栅极驱动信号示意图；
图2B是本公开文本所述的立体显示驱动方法的一具体实施例中右眼图像帧的栅极驱动信号示意图；
图3是本公开文本实施例所述的立体显示驱动装置的结构框图。
具体实施方式
下面将结合本公开文本实施例中的附图，对本公开文本实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本公开文本一部分实施例，而不是全部的实施例。基于本公开文本中的实施例，本领域普通 技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本公开文本保护的范围。
除非另作定义，此处使用的技术术语或者科学术语应当为本公开文本所属领域内具有一般技能的人士所理解的通常意义。本公开文本专利申请说明书以及权利要求书中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。同样，“一个”或者“一”等类似词语也不表示数量限制，而是表示存在至少一个。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。“上”、“下”、“左”、“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也相应地改变。
如图1所示，本公开文本实施例所述的立体显示驱动方法，用于驱动显示面板进行立体显示，所述显示面板上设置有多行栅线，所述多行栅线被划分为M组；每一组栅线包括相邻两行栅线；M为大于1的整数；每一显示周期包括左眼图像帧和右眼图像帧，每一所述左眼图像帧包括2M个左眼图像显示时间段，每一所述右眼图像帧包括2M个右眼图像显示时间段；所述立体显示驱动方法包括：在每一显示周期内，
S1：在左眼图像帧内，在第2n-1左眼图像显示时间段内，扫描第n组栅线中的第一栅线，在第2n-1左眼图像显示时间段包括的部分时间段内，扫描第n组栅线中的第二栅线；
S2：在右眼图像帧内，在第2n右眼图像显示时间段内，扫描第n组栅线中的第二栅线；
n为小于或等于M的正整数。
本公开文本实施例所述的显示驱动方法将一显示周期分为左眼图像帧和右眼图像帧，将所述多行栅线划分为M组栅线，每一组栅线包括相邻两行栅线；在左眼图像帧内，在第2n-1左眼图像显示时间段包括的部分时间段内，扫描第n组栅线中的第二栅线，这样则由相关技术中的两帧倍频扫描方式变为两帧降频混合栅极扫描方式，本公开文本实施例可以借助调控栅极扫描时间，通过调控其中某些行的充电系数，来保证实际显示数据接近最终写入数 据，从而避免相关技术中采用P_GDM显示方式来进行3D显示时存在的实际显示的亮度和写入数据的亮度相差比较大，从而导致3D图像显示失真的问题。
在具体实施时，所述2n-1左眼图像时间段包括的部分时间段持续的时间与该2n-1左眼图像时间段持续的时间的比值大于0且小于1，该比值的实际取值根据实际显示时的前后两行的实际数据电压而选定。
本公开文本实施例提出了一种混合栅极信号驱动模式，通过调控栅极扫描信号的脉冲宽度，实现在重复扫描的对应行，实际显示的亮度接近写入数据的亮度。
在实际操作时，每一显示周期可以包括依次设置的左眼图像帧和右眼图像帧，或者，每一帧显示时间可以包括依次设置的右眼图像帧和左眼图像帧。
在实际操作时，所述第一栅线可以为该组栅线中的前一行栅线，所述第二栅线为该组栅线中的后一行栅线；或者，所述第二栅线可以为该组栅线中的前一行栅线，所述第一栅线为该组栅线中的后一行栅线。
下面通过一具体实施例来说明本公开文本所述的显示驱动方法。
在本公开文本所述的显示驱动方法的一具体实施例中，将一显示周期划分为依次设置的左眼图像帧和右眼图像帧；第n组栅线包括第N行栅线Gata_N和第N+1行栅线Gata_N+1；第n+1组栅线包括第N+2行栅线Gata_N+2和第N+3行栅线Gata_N+3；n和N都为正整数；
如图2A所示，左眼图像帧包括第一左眼图像显示时间段T11、第二左眼图像显示时间段T12、第三左眼图像显示时间段T13和第四左眼图像显示时间段T14；
在左眼图像帧内，在第一左眼图像显示时间段T11，扫描第n组栅线包括的第N行栅线Gata_N，在第一左眼图像显示时间段T11包括的第一扫描时间段，扫描第n组栅线包括的第N+1行栅线Gata_N+1；
在左眼图像帧内，在第三左眼图像显示时间段T13，扫描第n+1组栅线包括的第N+2行栅线Gata_N+2，在第二左眼图像显示时间段T12包括的第二扫描时间段，扫描第n+1组栅线包括的N+3行栅线Gata_N+3；
如图2A所示，所述第一扫描时间段持续的时间与所述第一左眼图像显示 时间段T11持续的时间的比值以及所述第二扫描时间段持续的时间与所述第二左眼图像显示时间段T12持续的时间的比值为α，α为栅极打开时间系数，α为小于1的正数；由于栅极信号打开时间由T11变为α×T11，由T12变为α×T12，导致实际显示画面的亮度或者灰阶会小于对应写入的数据显示的亮度或灰阶；
如图2B所示，右眼图像帧包括第五右眼图像显示时间段T21、第六右眼图像显示时间段T22、第七右眼图像显示时间段T23和第八右眼图像显示时间段T24；
在右眼图像帧内，在第六右眼图像显示时间段T22，扫描第n组栅线中的第N+1行栅线Gata_N+1；
在右眼图像帧内，在第八右眼图像显示时间段T24，扫描第n+1组栅线中的第N+3行栅线Gata_N+3。
假设在第一左眼图像显示时间段T11和第五右眼图像显示时间段T21，数据线上的数据电压为A，在第二左眼图像显示时间段T12和第六右眼图像显示时间段T22，数据线上的数据电压为B，在第三左眼图像显示时间段T13和第七右眼图像显示时间段T23，数据线上的数据电压为C，在第四左眼图像显示时间段T14和第八右眼图像显示时间段T24，数据线上的数据电压为D；则经过左眼图像帧和右眼图像帧之后，第N行栅线Gata_N上的数据电压为A，第N+1行栅线Gata_N+1上的数据电压为avg(A×F+B)，第N+2行栅线Gata_N+2上的数据电压为C，第N+3行栅线Gata_N+3上的数据电压为avg(C×F+D)；其中，F为由于栅极信号打开时间为原来的α倍从而导致的亮度与原亮度时间的比值，F为亮度因子，F与α有关，F大于等于0或小于等于1。
avg(A×F+B)为A×F和B的算法平均值，avg(C×F+D)为C×F+D的算法平均值。
本公开文本所述的显示驱动方法的该具体实施例在工作时，通过调整F的大小，可以调整第N行的数据电压对第N+1行的显示效果的影响，具体的F的取值需要进行实验，通过对相邻行的数据电压进行运算从而获得最佳的F的取值。
在实际操作时，当第N行数据电压(数据电压A)和第N+1行数据电压(数据电压B)接近时，F可以取接近于1的值，此时第N行数据电压对第N+1行的显示效果的影响较小；
当第N行数据电压(数据电压A)和第N+1行数据电压(数据电压B)差异较大时，例如当显示黑白背景文本时，显示效果会受到前一帧第N+1行数据电压Predata的影响(由于采用本公开文本实施例所述的显示驱动方法，在T11和T13，第N+1行充电时间较短，因此如果前后两行数据电压差异大的话可能会导致充电不完全，从而显示效果会受到前一帧第N+1行数据电压的影响)
此时分为以下两种情况:
假设数据电压A显示较亮，数据电压B显示较暗，并且前一帧第N+1行行数据电压Predata小于A，则控制F小于1，使得avg(A×F+B+Predata)相比较avg(A+B)更加接近B，即在这种条件下，提高了相邻行写入数据显示效果的准确性；
假设数据电压A显示较暗，数据电压B显示较亮，并且前一帧第N+1行行数据电压Predata大于A，则通过调控F，使得A×Factor较小，前一帧显示数据较大程度保留，使得avg(A×F+B+Predata)更加接近数据电压B的亮度，此时Factor接近0；
其中，avg(A×F+B+Predata)为A×F、B和Predata的算法平均值，avg(A+B)为A和B的算法平均值。
由于在现实系统中处理的数据电压一般和亮度值不是线性关系，因此为了通过调控A×F、B、Predata其实对应的是三种数据电压，而本公开文本实施例的目的是得到和B数据电压接近的亮度，因此此处的算法平均值可以理解为将多段不同数据电压得到的亮度平均为目标亮度值。
通过芯片进行连续多帧的显示数据分析对比，可以找到当前帧显示时最合适的F，通过调节相邻行数据中某一部分的充电率，使得综合效果更加接近正常驱动效果。
在本公开文本各方法实施例中，所述各步骤的序号并不能用于限定各步骤的先后顺序，对于本领域普通技术人员来讲，在不付出创造性劳动的前提 下，对各步骤的先后变化也在本公开文本的保护范围之内。
本公开文本实施例所述的立体显示驱动装置，用于驱动显示面板进行立体显示，所述显示面板上设置有多行栅线，所述多行栅线被划分为M组；每一组栅线包括相邻两行栅线；M为大于1的整数；如图3所示，所述立体显示驱动装置包括：
帧划分单元31，用于将每一显示周期划分为左眼图像帧和右眼图像帧；以及，
显示驱动单元32，用于在每一显示周期内，在左眼图像帧内，在第2n-1左眼图像显示时间段内，扫描第n组栅线中的第一栅线，在第2n-1左眼图像显示时间段包括的部分时间段内，扫描第n组栅线中的第二栅线，在右眼图像帧内，在第2n右眼图像显示时间段内，扫描第n组栅线中的第二栅线，n为小于或等于M的正整数。
本公开文本实施例所述的显示驱动装置通过帧划分单元31将一显示周期分为左眼图像帧和右眼图像帧，并通过显示驱动单元32在左眼图像帧内，在第2n-1左眼图像显示时间段包括的部分时间段内，扫描第n组栅线中的第二栅线，这样则由相关技术中的两帧倍频扫描方式变为两帧降频混合栅极扫描方式，本公开文本实施例可以借助调控栅极扫描时间，来保证实际显示数据接近最终写入数据，通过调控其中某些行的充电系数，从而实现比相关技术更好的对比度。
在具体实施时，所述2n-1左眼图像时间段包括的部分时间段持续的时间与该2n-1左眼图像时间段持续的时间的比值大于0且小于1，该比值的实际取值根据实际显示时的前后两行的实际数据电压而选定。
在具体实施时，每一帧显示时间可以包括依次设置的左眼图像帧和右眼图像帧，或者，每一帧显示时间可以包括依次设置的右眼图像帧和左眼图像帧。
在具体实施时，所述第一栅线可以为该组栅线中的前一行栅线，所述第二栅线为该组栅线中的后一行栅线；或者，所述第二栅线可以为该组栅线中的前一行栅线，所述第一栅线为该组栅线中的后一行栅线。
所述单元(包括但不限于帧划分单元31和显示驱动单元32)可以均分 别用对应的硬件电路来实现，所述硬件电路包括常规的超大规模集成(VLSI)电路或者门阵列以及诸如逻辑芯片、晶体管之类的相关技术中的半导体或者是其它分立的元件。单元还可以用可编程硬件设备，诸如现场可编程门阵列、可编程阵列逻辑、可编程逻辑设备等实现。
本公开文本实施例所述的显示设备包括上述的显示驱动装置和显示屏。所述显示设备可以为：电视、显示器、数码相框、手机、平板电脑等任何具有显示功能的产品或部件。
以上所述是本公开文本的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本公开文本所述原理的前提下，还可以作出若干改进和润饰，这些改进和润饰也应视为本公开文本的保护范围。

Claims (11)

  1. 一种立体显示驱动方法，用于驱动显示面板进行立体显示，所述显示面板上设置有多行栅线，所述多行栅线被划分为M组；每一组栅线包括相邻两行栅线，所述相邻的两行栅线包括第一栅线和第二栅线；M为大于1的整数；每一显示周期包括左眼图像帧和右眼图像帧，其中，每一所述左眼图像帧包括2M个左眼图像显示时间段，每一所述右眼图像帧包括2M个右眼图像显示时间段；所述立体显示驱动方法包括：在每一显示周期内，
    在左眼图像帧内，在第2n-1左眼图像显示时间段内，扫描第n组栅线中的第一栅线，在第2n-1左眼图像显示时间段包括的部分时间段内，扫描第n组栅线中的第二栅线；
    在右眼图像帧内，在第2n右眼图像显示时间段内，扫描第n组栅线中的第二栅线；
    n为小于或等于M的正整数。
  2. 如权利要求1所述的立体显示驱动方法，其中，所述2n-1左眼图像时间段包括的部分时间段持续的时间与该2n-1左眼图像时间段持续的时间的比值大于0且小于1。
  3. 如权利要求1或2所述的立体显示驱动方法，其中，每一显示周期包括先后依次设置的左眼图像帧和右眼图像帧，或者，每一显示周期包括先后依次设置的右眼图像帧和左眼图像帧。
  4. 如权利要求1或2所述的立体显示驱动方法，其中，所述第一栅线为该组栅线中的第一行栅线，所述第二栅线为该组栅线中的位于该第一栅线之后的第二行栅线；或者，所述第二栅线为该组栅线中的第一行栅线，所述第一栅线为该组栅线中的位于该第二栅线之后的第二行栅线。
  5. 如权利要求2所述的立体显示驱动方法，其中，所述比值是根据所述显示面板进行立体显示时的所述第一栅线和第二栅线的数据电压确定的。
  6. 一种立体显示驱动装置，用于驱动显示面板进行立体显示，所述显示面板上设置有多行栅线，所述多行栅线被划分为M组；每一组栅线包括相邻两行栅线，所述相邻的两行栅线包括第一栅线和第二栅线；M为大于1的整 数；其中，所述立体显示驱动装置包括：
    帧划分单元，用于将每一显示周期划分为左眼图像帧和右眼图像帧；以及，
    显示驱动单元，用于在每一显示周期内，在左眼图像帧内，在第2n-1左眼图像显示时间段内，扫描第n组栅线中的第一栅线，在第2n-1左眼图像显示时间段包括的部分时间段内，扫描第n组栅线中的第二栅线，在右眼图像帧内，在第2n右眼图像显示时间段内，扫描第n组栅线中的第二栅线，n为小于或等于M的正整数。
  7. 如权利要求6所述的立体显示驱动装置，其中，所述2n-1左眼图像时间段包括的部分时间段持续的时间与该2n-1左眼图像时间段持续的时间的比值大于0且小于1。
  8. 如权利要求6或7所述的立体显示驱动装置，其中，每一显示周期包括先后依次设置的左眼图像帧和右眼图像帧，或者，每一显示周期包括先后依次设置的右眼图像帧和左眼图像帧。
  9. 如权利要求6或7所述的立体显示驱动装置，其中，所述第一栅线为该组栅线中的第一行栅线，所述第二栅线为该组栅线中的位于该第一栅线之后的第二行栅线；或者，所述第二栅线为该组栅线中的第一行栅线，所述第一栅线为该组栅线中的位于该第二栅线之后的第二行栅线。
  10. 如权利要求7所述的立体显示驱动装置，其中，所述比值是根据所述显示面板进行立体显示时的所述第一栅线和第二栅线的数据电压确定的。
  11. 一种显示设备，包括如权利要求6至10中任一权利要求所述的显示驱动装置。
PCT/CN2018/076519 2017-03-29 2018-02-12 立体显示驱动方法、装置和显示设备 WO2018177043A1 (zh)

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