WO2019015075A1 - 显示面板驱动装置、显示装置和显示面板的驱动方法 - Google Patents

显示面板驱动装置、显示装置和显示面板的驱动方法 Download PDF

Info

Publication number
WO2019015075A1
WO2019015075A1 PCT/CN2017/102463 CN2017102463W WO2019015075A1 WO 2019015075 A1 WO2019015075 A1 WO 2019015075A1 CN 2017102463 W CN2017102463 W CN 2017102463W WO 2019015075 A1 WO2019015075 A1 WO 2019015075A1
Authority
WO
WIPO (PCT)
Prior art keywords
display area
driving unit
display
scan line
signal
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.)
Ceased
Application number
PCT/CN2017/102463
Other languages
English (en)
French (fr)
Inventor
陈猷仁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HKC Co Ltd
Chongqing HKC Optoelectronics Technology Co Ltd
Original Assignee
HKC Co Ltd
Chongqing HKC Optoelectronics Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HKC Co Ltd, Chongqing HKC Optoelectronics Technology Co Ltd filed Critical HKC Co Ltd
Priority to US15/849,749 priority Critical patent/US10360836B2/en
Publication of WO2019015075A1 publication Critical patent/WO2019015075A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • 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
    • G09G3/3674—Details of drivers for scan electrodes
    • G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
    • 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
    • G09G3/2077—Display of intermediate tones by a combination of two or more gradation control methods
    • 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
    • G09G3/3674—Details of drivers for scan electrodes
    • 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
    • G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
    • 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
    • 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
    • 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
    • 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
    • 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
    • G09G2310/0267—Details of drivers for scan electrodes, other than drivers for liquid crystal, plasma or OLED displays
    • 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
    • G09G2310/0264—Details of driving circuits
    • G09G2310/0289—Details of voltage level shifters arranged for use in a driving circuit
    • 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
    • G09G2310/08—Details of timing specific for flat panels, other than clock recovery
    • 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
    • G09G2320/0242—Compensation of deficiencies in the appearance of colours
    • 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
    • G09G2320/028—Improving the quality of display appearance by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction
    • 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
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness

Definitions

  • the present disclosure relates to the field of display, and in particular to a display panel driving device and a display device and a driving method of the display panel.
  • Liquid crystal displays often have color shift when viewed from different angles.
  • one pixel contains three sub-pixels of R, G, and B.
  • the brightness of the pixel When viewed from the front, the brightness of the pixel is normal. When viewed sideways, the pixel brightness will be darker. Thus there will be differences between front and side views.
  • the display is debugged, the brightness seen from the front view is taken as the standard, so the image effect is optimal when viewed from the front view.
  • the color shift will occur when the side view is viewed, which affects the viewing quality.
  • a display panel driving device including
  • each of the sub-pixels including a first display area and a second display area;
  • first scan line is connected to the plurality of first display areas
  • second scan line is connected to a plurality of the second display areas
  • a gate driving unit wherein the gate driving unit is respectively connected to the first scan line and the second scan line;
  • the gate driving unit controls the charging time of the first display area and the second display area by the first scan line and the second scan line, respectively, to control the first display area and the first The gray scale display of the two display areas.
  • the gate driving unit is provided with a timing controller for controlling a duty ratio of a high level scan signal
  • the timing controller controls charging times of the first display area and the second display area, respectively, by adjusting a duty ratio of a high level scan signal.
  • the gate driving unit further includes an output enabler coupled to the timing controller;
  • the timing controller causes the output enabler to output a control signal by controlling a duty ratio of the high level scan signal, the control signal for controlling the filling of the first display area and the second display area Electricity.
  • the output enabler comprises a first FET and a second FET
  • a source of the first FET is connected to a gate of the second FET, and a source of the first FET and a gate of the second FET are respectively connected to a power source.
  • the drain of the first field effect transistor and the drain of the second field effect transistor are respectively grounded;
  • the gate of the first FET is used to input a signal of the timing controller output that adjusts the duty ratio of the over-high scan signal.
  • the gate driving unit further includes a voltage conversion circuit connected to the output enabler; the voltage conversion circuit is configured to output the output enabler The control signal is converted into a scan voltage that controls charging of the first display area and the second display area.
  • a display panel driving device comprising a source driving unit for outputting a data signal, further comprising a plurality of the display panel driving devices arranged in sequence, the source driving unit for outputting a signal to each of the The first display area and the second display area of the sub-pixel are charged, and the gate driving unit respectively controls the data signal to the first display through the first scan line and the second scan line The time during which the zone and the second display zone are charged.
  • the first display area and the second display area are respectively provided with a first switching element and a second switching element for controlling charging of the first display area and the second display area
  • the first switching element and the second switching element are respectively connected to the first scan line and the second scan line
  • the gate driving unit passes the first scan line and the second scan line Opening and closing of the first switching element and the second switching element are respectively controlled.
  • the source driving unit further includes a data line, a source of the first switching element and a source of the second switching element in each of the sub-pixels Even And the gate driving unit controls the first switching element or the second switching element to be turned on to enable the source driving unit to charge the first display area and the second display area through the data line .
  • a display panel driving device includes:
  • each of the sub-pixels including a first display area and a second display area;
  • the gate driving unit includes a timing controller, a timing controller, an output enabler, a voltage conversion circuit, the timing controller, the output enabler, and the voltage conversion circuit are electrically connected in sequence ;
  • first scan line and a second scan line one end of the first scan line is connected to the plurality of first display areas, and the other end of the first scan line is electrically connected to the voltage conversion circuit;
  • One end of the two scan lines is connected to the plurality of second display areas, and the other end of the second scan line is electrically connected to the voltage conversion circuit;
  • a source driving unit configured to output a signal
  • a data line one end of the data line is connected to the source driving unit, and the other end of the data line is connected to the first display area and the second display area;
  • the signal output by the source driving unit charges the first display area and the second display area through the data line
  • the gate driving unit passes the first scan line and the second scan line Controlling the time at which the data signal is charged to the first display area and the second display area, respectively.
  • a driving method of a display panel comprising:
  • the gate driving unit controls the switching elements of the first display area and the second display area of each sub-pixel to be turned on, respectively;
  • the source driving unit charges the first display area and the second display area
  • the gate driving unit respectively controls a time when the switching elements of the first display area and the second display area are turned off to control the source driving unit to charge the first display area and the second display area time.
  • the display panel driving device includes a first scan line and a second scan line, a gate driving unit, and a plurality of sub-pixels.
  • Each of the sub-pixels includes a first display area and a second display area.
  • the first scan line is connected to a plurality of the first display areas.
  • the gate driving unit is connected to the first scan line and the second scan line, respectively.
  • the gate driving unit controls the charging time of the first display area and the second display area by the first scan line and the second scan line, respectively.
  • the brightness after the sum of the first display area and the second display area is the brightness of human viewing.
  • Controlling a charging voltage of the first display area and the second display area by controlling charging times of the first display area and the second display area, thereby controlling the first display area and the second display area Display brightness.
  • the brightness of the sub-pixels seen by the person is the brightness in and after the first display area and the second display area.
  • the brightness of the neutralized sub-pixels seen by the person can be adjusted by adjusting the brightness of the first display area and the second display area, respectively.
  • the display screen is viewed from the side, the brightness of a darker display area can be brightened as needed, so that the brightness of the sub-pixel after neutralization becomes bright, thereby improving the color shift problem of the viewing angle of the display side.
  • FIG. 1 is a schematic diagram of a display panel driving apparatus according to an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of charging time of a second display area of a first display area according to an embodiment of the present disclosure
  • FIG. 3 is a logic diagram of an output enabler according to an embodiment of the present disclosure.
  • FIG. 4 is a logic diagram of a voltage conversion circuit according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic diagram of a display device according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic diagram of another display panel driving device according to an embodiment of the present disclosure.
  • FIG. 7 is a structural diagram of a pixel in a display panel driving apparatus according to an embodiment of the present disclosure.
  • the present disclosure provides a display panel driving device 10 .
  • the display panel driving device 10 includes a plurality of sub-pixels 100. Each of the sub-pixels 100 includes a first display area 110 and a second display area 120.
  • the display panel driving device 10 further includes a first scan line 130 and a second scan line 140.
  • the first scan line 130 is connected to the plurality of first display areas 110.
  • the second scan line 140 is connected to the plurality of second display areas 120.
  • the display panel driving device 10 further includes a gate driving unit 200.
  • the gate driving unit 200 is connected to the first scan line 130 and the second scan line 140, respectively.
  • the gate driving unit 200 controls the charging time of the first display area 110 and the second display area 120 by the first scan line 130 and the second scan line 140, respectively.
  • the sub-pixels 100 may be three.
  • the three sub-pixels 100 may have three primary colors of R, G, and B, respectively.
  • Each of the sub-pixels 100 may include a plurality of display areas.
  • the first display area 110 and the second display area 120 constitute a display area of the sub-pixel 100.
  • the first display area 110 and the second display area 120 may be charged through a data line.
  • the first scan line 130 and the second scan line 140 may control a time during which the data line charges the first display area 110 and the second display area 120.
  • the first display area 110 and the second display area 120 may be directly connected to the data line, respectively.
  • the brightness of the first display area 110 and the second display area 120 may change after being charged.
  • the brightness of the first display area 110 and the second display area 120 can be measured by the number of gray levels.
  • the number of gray levels has a corresponding relationship with the charging time of the first display area 110 and the second display area 120, and may be changed according to the charging amount of the liquid crystal capacitor.
  • the brightness is also higher.
  • the brightness of each of the sub-pixels 100 seen by the human eye is the brightness obtained by the neutralization of the first display area 110 and the second display area 120.
  • the brightness of the display screen perceived by the human eye can be changed by adjusting the brightness of the first display area 110 and the second display area 120, respectively. Further, by separately adjusting the brightness of the first display area 110 and the second display area 120, the visual brightness when viewing the display screen sideways can be improved.
  • the gate driving unit 200 can control the charging time of the first display area 110 and the second display area 120 through the first scan line 130 and the second scan line 140, respectively.
  • the charge amounts of the first display area 110 and the second display area 120 are respectively controlled. Therefore, the charging time of the first display area 110 and the second display area 120 can be respectively controlled by the gate driving unit 200 to control charging voltages of the first display area 110 and the second display area 120. . Therefore, the purpose of controlling the brightness displayed by the first display area 110 and the second display area 120 can be achieved.
  • the charging time of the gate driving unit 200 for controlling the first display area 110 may be T1.
  • the time that the gate driving unit 200 controls the charging of the second display area 120 may be T2.
  • T1 is greater than T2, so the brightness of the first display area 110 may be greater than the brightness of the second display area 120.
  • T1 can be less than T2. Observed by the human eye is the brightness of the first display area 110 and the brightness of the second display area 120 after neutralization.
  • the display panel driving device 10 includes a first scan line 130 and a second scan line 140, a gate driving unit 200, and a plurality of the sub-pixels 100.
  • Each of the sub-pixels 100 includes a first display area 110 and a second display area 120.
  • the first scan line 130 is connected to the plurality of first display areas 110.
  • the second scan line 140 is connected to a plurality of the second display area 120 domains.
  • the gate driving unit 200 is connected to the first scan line 130 and the second scan line 140, respectively.
  • the gate driving unit 200 controls the charging time of the first display area 110 and the second display area 120 by the first scan line 130 and the second scan line 140, respectively.
  • the brightness after the neutralization of the first display area 110 and the second display area 120 is the brightness of human viewing.
  • the charging voltages of the first display area 110 and the second display area 120 can be controlled by controlling the charging time of the first display area 110 and the second display area 120, thereby controlling the first display area 110. Display brightness of the domain and the second display area 120 field. Therefore, the color shift problem of the display side viewing angle can be improved by adjusting the charging time of the first display area 110 and the second display area 120.
  • the gate driving unit 200 sets a timing controller 210 that is used to control the duty ratio of the high level scan signal.
  • the timing controller 210 controls the charging times of the first display area 110 and the second display area 120, respectively, by adjusting the duty ratio of the high level scan signal.
  • the timing controller 210 can be composed of six unit circuits, such as a power control circuit, a power conversion circuit, a mechanical dial timing circuit, a digital flip-flop, and a digital flip-flop.
  • the timing controller 210 can control the timing and sequence of occurrence of the high level scan signal.
  • the timing controller 210 can control the proportion of time that the high level scan signal occupies in one signal period.
  • the first display area 110 and the second display area 120 can be charged when the high level scan signal is emitted.
  • the gate driving unit 200 further includes an output enabler 220 connected to the timing controller 210.
  • the timing controller 210 causes the output enabler 220 to output a control signal by controlling a duty ratio of a high level scan signal.
  • the control signal can be a high level signal and a low level signal.
  • the high level signal and the low level signal are used to control charging and discharging of the first display area 110 and the second display area 120.
  • High voltage generated by the timing controller 210 The output enabler 220 generates the high level signal when the signal is flat.
  • the output enabler 220 generates the low level signal when the high level scan signal is absent.
  • the first display area 110 or the second display area 120 can be charged when a high level signal.
  • the first display area 110 and the second display area 120 cannot be charged when the low level signal is generated.
  • the output enabler 220 includes a first FET 221 and a second FET 222.
  • the gate of the first FET 221 is used to input a signal output by the timing controller 220 for adjusting the duty ratio of the over-high scan signal.
  • the source of the first field effect transistor 221 is connected to the gate of the second field effect transistor 222.
  • the source of the first field effect transistor 221 and the gate of the second field effect transistor 222 are also respectively connected to a power source.
  • the drain of the first field effect transistor 221 and the drain of the second field effect transistor 222 are grounded, respectively.
  • the first field effect transistor 221 and the second field effect transistor 222 may be a junction field effect transistor and an insulated gate field effect transistor. It belongs to a voltage controlled semiconductor device.
  • the source of the first field effect transistor 221 and the gate of the second field effect transistor 222 are also connected to a power source through a resistor 223, respectively.
  • the resistor 223 may have a function of current limiting and voltage division.
  • the first FET 221 When the gate of the first FET 221 inputs a scan signal, the first FET 221 is turned on, the second FET 222 is turned off, and the source of the second FET 222 is high. When the gate of the first FET 221 has no scan signal input, the source of the second FET 222 outputs a low level signal.
  • the gate driving unit 200 further includes a voltage conversion circuit 230.
  • the voltage conversion circuit 230 is connected to the output enabler 220.
  • the voltage conversion circuit 230 is configured to convert the high level signal and the low level signal output by the output enabler 220 to control charging of the first display area 110 and the second display area 120.
  • Scan voltage The voltage conversion circuit 230 can convert the high level signal and the low level signal into a stable scanning voltage.
  • the scan voltage may control charging of the first display area 110 and the second display area 120.
  • the voltage conversion circuit 230 may include MOS tube switches: Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8.
  • Q1, Q2, Q7, and Q8 are NMOS transistors, and Q3, Q4, Q5, and Q6 are PMOS transistors.
  • Q1 and Q2 are respectively connected to the power supply.
  • Q7 and Q8 are respectively connected to the power supply.
  • Q3, Q4, Q5, and Q6 are connected to each other.
  • G1 outputs a high level scan voltage.
  • Q1, Q4, Q6, and Q7 are turned on, and Q2, Q3, Q5, and Q8 are turned off.
  • G1 outputs a low level scan voltage.
  • an embodiment of the present disclosure further provides a display device 20 .
  • the display device 20 includes a display screen 30.
  • the display device 20 further includes the display panel driving device 10 described.
  • the display panel driving device 10 is connected to the display screen 30.
  • the display device 20 includes a source driving unit 300 for outputting a data signal.
  • the source driving unit 300 is configured to output a signal to charge the first display area 110 and the second display area 120 of each sub-pixel 100.
  • the source driving unit 300 controls the time when the data signal is charged to the first display area 110 and the second display area 120 by the first scan line 130 and the second scan line 140, respectively.
  • the charging voltages of the first display area 110 and the second display area 120 can be controlled by controlling the charging time of the first display area 110 and the second display area 120, thereby controlling the first display area 110. Display brightness of the domain and the second display area 120 field. Therefore, the color shift problem of the display side viewing angle can be improved by adjusting the charging time of the first display area 110 and the second display area 120.
  • the present disclosure also provides a display panel driving device.
  • the display panel driving device includes a plurality of sub-pixels 100 each including a first display area 110 and a second display area 120.
  • the display panel driving device further includes a gate driving unit 200.
  • the gate driving unit 200 includes a timing controller 210, an output enabler 220, and a voltage conversion circuit 230.
  • the timing controller 210, the output enabler 220, and the voltage conversion circuit 230 are electrically connected in sequence.
  • the display panel driving device further includes a first scan line 130 and a second scan line 140.
  • One end of the first scan line 130 is connected to the plurality of first display areas 110, and the other end of the first scan line 130 is electrically connected to the voltage conversion circuit 230.
  • One end of the second scan line 140 is connected to the plurality of second display areas 120, and the other end of the second scan line 140 is electrically connected to the voltage conversion circuit 230.
  • the display panel driving device further includes a source driving unit 300, and the source driving unit 300 is configured to output a signal.
  • the display panel driving device further includes a data line 310. One end of the data line 310 is connected to the source driving unit 300. The other end of the data line 310 is connected to the first display area 110 and the second display area 120.
  • the signal output by the source driving unit 300 passes through the data line 310 to the first display area 110 and the second display area 120 are charged.
  • the gate driving unit 200 controls the time when the data signal is charged to the first display area 110 and the second display area 120 by the first scan line 130 and the second scan line 140, respectively.
  • the first display area 110 and the second display area 120 are respectively provided with a first switching element 111 for controlling charging of the first display area 110 and the second display area 120, and The second switching element 121.
  • the gate driving unit 200 controls opening and closing of the first switching element 111 and the second switching element 121 by the first scanning line 130 and the second scanning line 140, respectively.
  • the first switching element 111 and the second switching element 121 may be thin film transistors.
  • the first switching element 111 and the second switching element 121 may include a source, a gate, and a drain.
  • the scan voltage can control the change of the gate resistor 223 through the first scan line 130 and the second scan line 140, and the first switching element 111 and the second switching element 121 are turned off when the resistance is high. When the resistance is low, the first switching element 111 and the second switching element 121 are turned on when contracted.
  • the source driving unit 300 further includes a data line 310.
  • the data line 310 is connected to a source of the first switching element 111 and a source of the second switching element 121 in each of the sub-pixels 100.
  • the gate driving unit 200 controls the first switching element 111 or the second switching element 121 to turn on the source driving unit 300 to the first display area 110 and the first through the data line 310
  • the second display area 120 is charged.
  • the time when the first switching element 111 and the second switch are turned on is the time when the first display area 110 and the second display area 120 are charged.
  • the sub-pixel 100 further includes a common electrode 150.
  • the first display area 110 further includes a first liquid crystal capacitor 160 and a first storage capacitor 170.
  • the second display area 120 further includes a second liquid crystal capacitor 180 and a second storage capacitor 190. Both ends of the first liquid crystal capacitor 160 and the first storage capacitor 170 are respectively connected to the drain of the first switching element 111 and the common electrode 150. Both ends of the second liquid crystal capacitor 180 and the second storage capacitor 190 are respectively connected to the drain of the second switching element 121 and the common electrode 150.
  • the first storage capacitor 170 and the second storage capacitor 190 can maintain voltages of the first liquid crystal capacitor 160 and the second liquid crystal capacitor 180, respectively, to maintain the continuity of the screen.
  • the present disclosure also provides a driving method of a display panel, the method comprising:
  • the gate driving unit controls, respectively, that the switching elements of the first display area and the second display area of each sub-pixel are turned on;
  • the source driving unit charges the first display area and the second display area
  • the gate driving unit respectively controls a time when the switching elements of the first display area and the second display area are turned off to control the source driving unit to the first display area and the second display The time of charging the area.
  • the display panel may be a TN, OCB, VA type, or curved display panel, but is not limited thereto.
  • the display panel is applied to a display device, and the display device can use a direct backlight.
  • the backlight can be a white light, an RGB three-color light source, an RGBW four-color light source, or an RGBY four-color light source, but is not limited thereto.
  • each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the above software functional units are stored in a storage medium and include instructions for causing a processor of a computer device (which may be a personal computer, server, or network device, etc.) to perform part of the steps of the methods described in various embodiments of the present disclosure.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, and the program code can be stored. Medium.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

一种显示面板驱动装置（10）、显示装置（20）及显示面板的驱动方法。显示面板驱动装置（10）包括多个子像素（100）。每个子像素（100）包括第一显示区（110）和第二显示区（120）、第一扫描线（130）和第二扫描线（140）。第一扫描线（130）与多个第一显示区（110）连接。第二扫描线（140）与多个第二显示区（120）连接。显示面板驱动装置（10）还包括栅极驱动单元（200）。栅极驱动单元（200）分别与第一扫描线（130）和第二扫描线（140）连接。栅极驱动单元（200）通过第一扫描线（130）和第二扫描线（140）分别控制第一显示区（110）和第二显示区（120）充电的时间。

Description

显示面板驱动装置、显示装置和显示面板的驱动方法 技术领域
本公开涉及显示领域，特别是涉及一种显示面板驱动装置和显示装置和显示面板的驱动方法。
背景技术
液晶显示器在不同角度观看时常会有色偏现象。通常，一个像素包含R、G、B三个子像素，当从正面观看时，像素亮度会比较正常。当侧视时，像素亮度会比较暗。从而正视和侧视会有差异。通常显示器的调试时以正视角看到的亮度为标准进行，所以正视角观看时，影像效果是最佳的。相应的，侧视角观看就会出现色偏，影响观看质量。
公开内容
基于此，有必要针对液晶显示器在侧视角观看会出现色偏的问题，提供一种通过改变子像素不同区域充电时间来降低色偏的显示面板驱动装置和显示装置。
一种显示面板驱动装置，包括
多个子像素，每个所述子像素包括第一显示区和第二显示区；
第一扫描线和第二扫描线，所述第一扫描线与多个所述第一显示区连接，所述第二扫描线与多个所述第二显示区域连接；
栅极驱动单元，所述栅极驱动单元分别与所述第一扫描线和所述第二扫描线连接；
所述栅极驱动单元通过所述第一扫描线和所述第二扫描线分别控制所述第一显示区和所述第二显示区充电的时间以控制所述第一显示区和所述第二显示区的灰阶显示。
在其中一个实施例中，所述栅极驱动单元设置有用以控制高电平扫描信号占空比的时序控制器；
所述时序控制器通过调整高电平扫描信号的占空比分别控制所述第一显示区和所述第二显示区的充电时间。
在其中一个实施例中，所述栅极驱动单元还包括与所述时序控制器连接的输出使能器；
所述时序控制器通过控制高电平扫描信号的占空比使所述输出使能器输出控制信号，所述控制信号用以控制所述第一显示区和所述第二显示区的充断电。
在其中一个实施例中，所述输出使能器包括第一场效应管和第二场效应管；
所述第一场效应管的源极与所述第二场效应管栅极连接，所述第一场效应管的源极、所述第二场效应管的栅极还分别与电源连接，所述第一场效应管的漏极和所述第二场效应管的漏极分别接地；
所述第一场效应管的栅极用以输入所述时序控制器输出的调整过高电平扫描信号占空比的信号。
在其中一个实施例中，所述栅极驱动单元还包括电压转换电路，所述电压转换电路与所述输出使能器连接；所述电压转换电路用于将所述输出使能器输出的所述控制信号转换为控制所述第一显示区、所述第二显示区充电的扫描电压。
一种显示面板驱动装置，包括用于输出数据信号的源极驱动单元，还包括多个依次排列的所述的显示面板驱动装置，所述源极驱动单元用以输出信号以向每个所述子像素的所述第一显示区和所述第二显示区充电，所述栅极驱动单元通过所述第一扫描线和所述第二扫描线分别控制所述数据信号向所述第一显示区和所述第二显示区充电的时间。
在其中一个实施例中，所述第一显示区和所述第二显示区分别设置有用于控制所述第一显示区和所述第二显示区充电的第一开关元件和第二开关元件，所述第一开关元件和所述第二开关元件分别与所述第一扫描线和所述第二扫描线连接，所述栅极驱动单元通过所述第一扫描线和所述第二扫描线分别控制所述第一开关元件和所述第二开关元件的开闭。
在其中一个实施例中，所述源极驱动单元还包括数据线，所述数据线与每个所述子像素中的所述第一开关元件的源极以及所述第二开关元件的源极连 接，所述栅极驱动单元控制所述第一开关元件或所述第二开关元件开启使所述源极驱动单元通过所述数据线向所述第一显示区和所述第二显示区充电。
一种显示面板驱动装置，包括：
多个子像素，每个所述子像素包括第一显示区和第二显示区；
栅极驱动单元，所述栅极驱动单元包括时序控制器，时序控制器、输出使能器，电压转换电路，所述时序控制器、所述输出使能器、所述电压转换电路依次电连接；
第一扫描线和第二扫描线，所述第一扫描线的一端与多个所述第一显示区连接，所述第一扫描线的另一端与所述电压转换电路电连接；所述第二扫描线的一端与多个所述第二显示区连接，所述第二扫描线的另一端与所述电压转换电路电连接；
源极驱动单元，所述源极驱动单元用以输出信号；
数据线；所述数据线的一端与所述源极驱动单元连接，所述数据线的另一端与所述第一显示区和所述第二显示区连接；
所述源极驱动单元输出的信号通过所述数据线向所述第一显示区和所述第二显示区充电，所述栅极驱动单元通过所述第一扫描线和所述第二扫描线分别控制所述数据信号向所述第一显示区和所述第二显示区充电的时间。
一种显示面板的驱动方法，所述方法包括：
栅极驱动单元分别控制每个子像素的第一显示区和第二显示区的开关元件开启；
所述第一显示区和所述第二显示区开启后，源极驱动单元向所述第一显示区和所述第二显示区充电；
所述栅极驱动单元分别控制所述第一显示区和所述第二显示区的开关元件关闭的时间以控制所述源极驱动单元向所述第一显示区和所述第二显示区充电的时间。
本公开提供的显示面板驱动装置包括第一扫描线和第二扫描线、栅极驱动单元以及多个子像素。每个所述子像素包括第一显示区和第二显示区。所述第一扫描线与多个所述第一显示区连接。所述第二扫描线与多个所述第二显示区 域连接。所述栅极驱动单元分别与所述第一扫描线和所述第二扫描线连。所述栅极驱动单元通过所述第一扫描线和所述第二扫描线分别控制所述第一显示区和所述第二显示区充电的时间。所述第一显示区和所述第二显示区中和后的亮度为人观看的亮度。通过控制所述第一显示区和所述第二显示区的充电时间能够控制所述第一显示区和所述第二显示区的充电电压，进而控制所述第一显示区域和第二显示区域的显示亮度。人看到的子像素的亮度是第一显示区和第二显示区中和后的亮度。通过分别调节所述第一显示区和所述第二显示区的亮度能够调节人看到的中和后的子像素的亮度。侧面观看显示屏时，可以根据需要使较暗的某个显示区的亮度变亮，因而中和后的子像素亮度变亮，从而改善显示器侧视角观看的色偏问题。
附图说明
图1为本公开实施例提供的显示面板驱动装置示意图；
图2为本公开实施例提供的第一显示区第二显示区充电时间示意图；
图3为本公开实施例提供的输出使能器逻辑图；
图4为本公开实施例提供的电压转换电路逻辑图；
图5为本公开实施例提供的显示装置示意图；
图6为本公开实施例提供的另一个显示面板驱动装置示意图；
图7为本公开实施例提供的显示面板驱动装置中像素的结构图。
具体实施方式
为了使本公开的公开目的、技术方案及技术效果更加清楚明白，以下结合附图对本公开的具体实施例进行描述。应当理解，此处所描述的具体实施例仅仅用以解释本公开，并不用于限定本公开。
请参见图1，本公开提供一种显示面板驱动装置10。所述显示面板驱动装置10包括多个子像素100。每个所述子像素100包括第一显示区110和第二显示区120。所述显示面板驱动装置10还包括第一扫描线130和第二扫描线140。所述第一扫描线130与多个所述第一显示区110连接。所述第二扫描线140与多个所述第二显示区120连接。所述显示面板驱动装置10还包括栅极驱动单元 200。所述栅极驱动单元200分别与所述第一扫描线130和所述第二扫描线140连接。并且，所述栅极驱动单元200通过所述第一扫描线130和所述第二扫描线140分别控制所述第一显示区110和所述第二显示区120充电的时间。
优选地，所述子像素100可以为三个。所述三个子像素100可以分别具有R、G、B三种原色。每个所述子像素100可以包括多个显示区。所述第一显示区110和所述第二显示区120构成了所述子像素100的显示区域。通过数据线可以给所述第一显示区110和所述第二显示区120充电。所述第一扫描线130和所述第二扫描线140可以控制所述数据线给所述第一显示区110和所述第二显示区120充电的时间。优选地，所述第一显示区110和所述第二显示区120可以分别直接与所述数据线连接。所述第一显示区110和所述第二显示区120充电后亮度会发生变化。所述第一显示区110和所述第二显示区120的亮度可以用灰阶数衡量。所述灰阶数与所述第一显示区110和所述第二显示区120的充电时间有对应的关系，并且可以根据液晶电容的充电量改变。
在液晶电容的容量范围内，充电时间越长，所述第一显示区110或所述第二显示区120的灰阶数越高，所述第一显示区110或所述第二显示区120的亮度也越高。人眼看到的每个所述子像素100的亮度是由所述第一显示区110和所述第二显示区120中和得到的亮度。通过分别调节所述第一显示区110和所述第二显示区120的亮度可以改变人眼感知到的显示屏的亮度。进一步地，通过分别调节所述第一显示区110和所述第二显示区120的亮度可以改善侧面观看显示屏时的视觉亮度。因此，所述栅极驱动单元200可以通过所述第一扫描线130和所述第二扫描线140分别控制所述第一显示区110和所述第二显示区120的充电时间，进而可以对所述第一显示区110和所述第二显示区120的充电量分别控制。因此可以通过所述栅极驱动单元200分别控制所述第一显示区110和所述第二显示区120的充电时间以控制所述第一显示区110和所述第二显示区120的充电电压。因此可以达到控制所述第一显示区110和所述第二显示区120显示的亮度的目的。
请参见图2，所述栅极驱动单元200控制所述第一显示区110的充电时间可以为T1。所述栅极驱动单元200控制所述第二显示区120充电的时间可以为T2。 在其中一个实施例中，T1大于T2，因此所述第一显示区110的亮度会大于所述第二显示区120的亮度。可选的，T1可以小于T2。人眼观察到的是所述第一显示区110的亮度和所述第二显示区120的亮度中和后的亮度。
本公开提供的显示面板驱动装置10包括第一扫描线130和第二扫描线140、栅极驱动单元200以及多个所述子像素100。每个所述子像素100包括第一显示区110和第二显示区120。所述第一扫描线130与多个所述第一显示区110连接。所述第二扫描线140与多个所述第二显示区120域连接。所述栅极驱动单元200分别与所述第一扫描线130和所述第二扫描线140连接。所述栅极驱动单元200通过所述第一扫描线130和所述第二扫描线140分别控制所述第一显示区110和所述第二显示区120充电的时间。所述第一显示区110和所述第二显示区120中和后的亮度为人观看的亮度。通过控制所述第一显示区110和所述第二显示区120的充电时间能够控制所述第一显示区110和所述第二显示区120的充电电压，进而控制所述第一显示区110域和第二显示区120域的显示亮度。因此可以通过调节所述第一显示区110和所述第二显示区120的充电时间改善显示器侧视角观看的色偏问题。
在其中一个实施例中，所述栅极驱动单元200设置有用以控制高电平扫描信号占空比的时序控制器210。所述时序控制器210通过调整高电平扫描信号的占空比分别控制所述第一显示区110和所述第二显示区120的充电时间。
所述时序控制器210可以由电源控制电路、电源变换电路、机械式拨码定时电路、数字式触发器、数字式触发器等六个单元电路组成。所述时序控制器210可以控制高电平扫描信号发生的时间及先后顺序。所述时序控制器210可以控制所述高电平扫描信号在一个信号周期内所占的时间比例。所述高电平扫描信号发出时所述第一显示区110和所述第二显示区120能够充电。
请参见图3，在其中一个实施例中，所述栅极驱动单元200还包括与所述时序控制器210连接的输出使能器220。所述时序控制器210通过控制高电平扫描信号的占空比使所述输出使能器220输出控制信号。所述控制信号可以为高电平信号和低电平信号。所述高电平信号和所述低电平信号用以控制所述第一显示区110和所述第二显示区120的充断电。经过所述时序控制器210产生高电 平扫描信号时，所述输出使能器220产生所述高电平信号。没有所述高电平扫描信号时，所述输出使能器220产生所述低电平信号。高电平信号时能够使所述第一显示区110或所述第二显示区120充电。产生所述低电平信号时所述第一显示区110和所述第二显示区120无法充电。
在其中一个实施例中，所述输出使能器220包括第一场效应管221和第二场效应管222。所述第一场效应管221的栅极用以输入所述时序控制器220输出的调整过高电平扫描信号占空比的信号。所述第一场效应管221的源极与所述第二场效应管222栅极连接。所述第一场效应管221的源极、所述第二场效应管222的栅极还分别与电源连接。所述第一场效应管221的漏极和所述第二场效应管222的漏极分别接地。所述第一场效应管221和第二场效应管222可以为结型场效应管和绝缘栅场效应管。它属于电压控制型半导体器件。具有输入电阻高、噪声小、功耗低、动态范围大、易于集成、没有二次击穿现象、安全工作区域宽等优点。所述第一场效应管221的源极、所述第二场效应管222的栅极还分别通过电阻223与电源连接。所述电阻223可以具有限流分压的功能。
所述第一场效应管221的栅极输入扫描信号时，所述第一场效应管221打开，所述第二场效应管222关闭，所述第二场效应管222的源极输出高电平信号；所述第一场效应管221的栅极没有扫描信号输入时，所述第二场效应管222的源极输出低电平信号。
请参见图4，在其中一个实施例中，所述栅极驱动单元200还包括电压转换电路230。所述电压转换电路230与所述输出使能器220连接。所述电压转换电路230用于将所述输出使能器220输出的所述高电平信号和所述低电平信号转换为控制所述第一显示区110、所述第二显示区120充电的扫描电压。所述电压转换电路230可以将所述高电平信号、所述低电平信号转换为稳定的扫描电压。所述扫描电压可以控制所述第一显示区110、所述第二显示区120充电。所述电压转换电路230可以包括MOS管开关：Q1、Q2、Q3、Q4、Q5、Q6、Q7、Q8。其中Q1、Q2、Q7、Q8为NMOS管,Q3、Q4、Q5、Q6为PMOS管。Q1、Q2分别与电源连接。Q7、Q8分别与电源连接。Q3、Q4、Q5、Q6相互连接。当Q1的栅极输入高电平信号时，Q1，Q4，Q6，Q7关闭，Q2，Q3，Q5，Q8打开。 G1输出高电平扫描电压。当Q1的栅极输入低电平信号时，Q1，Q4，Q6，Q7打开，Q2，Q3，Q5，Q8关闭。G1输出低电平扫描电压。
请参见图5，本公开实施例还提供一种显示装置20。所述显示装置20包括显示屏30。所述显示装置20还包括所述的显示面板驱动装置10。所述显示面板驱动装置10与所述显示屏30连接。所述显示装置20包括用于输出数据信号的源极驱动单元300。所述源极驱动单元300用以输出信号向每个子像素100的所述第一显示区110和所述第二显示区120充电。所述源极驱动单元300通过所述第一扫描线130和所述第二扫描线140分别控制所述数据信号向所述第一显示区110和所述第二显示区120充电的时间。通过控制所述第一显示区110和所述第二显示区120的充电时间能够控制所述第一显示区110和所述第二显示区120的充电电压，进而控制所述第一显示区110域和第二显示区120域的显示亮度。因此可以通过调节所述第一显示区110和所述第二显示区120的充电时间改善显示器侧视角观看的色偏问题。
请参见图6-7，在其中一个实施例中，本公开还提供一种显示面板驱动装置。所述显示面板驱动装置包括：多个子像素100，每个所述子像素100包括第一显示区110和第二显示区120。
所述显示面板驱动装置还包括栅极驱动单元200。所述栅极驱动单元200包括时序控制器210、输出使能器220，电压转换电路230。所述时序控制器210、所述输出使能器220、所述电压转换电路230依次电连接。
所述显示面板驱动装置还包括第一扫描线130和第二扫描线140。所述第一扫描线130的一端与多个所述第一显示区110连接，所述第一扫描线130的另一端与所述电压转换电路230电连接。所述第二扫描线140的一端与多个所述第二显示区120连接，所述第二扫描线140的另一端与所述电压转换电路230电连接。所述显示面板驱动装置还包括源极驱动单元300，所述源极驱动单元300用以输出信号。所述显示面板驱动装置还包括数据线310。所述数据线310的一端与所述源极驱动单元300连接。所述数据线310的另一端与所述第一显示区110和所述第二显示区120连接。
所述源极驱动单元300输出的信号通过所述数据线310向所述第一显示区 110和所述第二显示区120充电。所述栅极驱动单元200通过所述第一扫描线130和所述第二扫描线140分别控制所述数据信号向所述第一显示区110和所述第二显示区120充电的时间。在其中一个实施例中，所述第一显示区110和所述第二显示区120分别设置有用于控制所述第一显示区110和所述第二显示区120充电的第一开关元件111和第二开关元件121。所述栅极驱动单元200通过所述第一扫描线130和所述第二扫描线140分别控制所述第一开关元件111和所述第二开关元件121的开闭。所述第一开关元件111和所述第二开关元件121可以为薄膜晶体管。所述第一开关元件111和所述第二开关元件121可以包括源极、栅极和漏极。扫描电压可以通过所述第一扫描线130和所述第二扫描线140控制所述栅极电阻223的改变，高电阻时所述第一开关元件111、所述第二开关元件121关闭。低电阻时所述第一开关元件111、收缩时第二开关元件121开启。
在其中一个实施例中，所述源极驱动单元300还包括数据线310。所述数据线310与每个所述子像素100中的所述第一开关元件111的源极以及所述第二开关元件121的源极连接。所述栅极驱动单元200控制所述第一开关元件111或所述第二开关元件121开启使所述源极驱动单元300通过所述数据线310向所述第一显示区110和所述第二显示区120充电。所述第一开关元件111和所述第二开关开启的时间就是所述第一显示区110和所述第二显示区120充电的时间。
在其中一个实施例中，所述子像素100还包括公共电极150。所述第一显示区110还包括第一液晶电容160、第一储存电容170。所述第二显示区120还包括第二液晶电容180、第二储存电容190。所述第一液晶电容160、所述第一储存电容170的两端分别与所述第一开关元件111的漏极以及所述公共电极150连接。所述第二液晶电容180、所述第二储存电容190的两端分别与所述第二开关元件121的漏极以及所述公共电极150连接。在允许的范围内，所述第一液晶电容160、所述第二液晶电容180充电的时间越长，所述子像素100的亮度越高。所述第一储存电容170和所述第二储存电容190能够分别保持所述第一液晶电容160和所述第二液晶电容180的电压，保持画面的持续性。
本公开还提供一种显示面板的驱动方法，所述方法包括：
S100，栅极驱动单元分别控制每个子像素的第一显示区和第二显示区的开关元件开启；
S200，所述第一显示区和所述第二显示区开启后，源极驱动单元向所述第一显示区和所述第二显示区充电；
S300，所述栅极驱动单元分别控制所述第一显示区和所述第二显示区的开关元件关闭的时间以控制所述源极驱动单元向所述第一显示区和所述第二显示区充电的时间。
其中，该显示面板可以为TN、OCB、VA型、曲面型显示面板，但并不限于此。显示面板应用于显示装置中，该显示装置可以运用直下背光，背光源可以为白光、RGB三色光源、RGBW四色光源或者RGBY四色光源，但并不限于此。
另外，在本公开各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
上述以软件功能单元的形式实现的集成的单元，可以存储在一个计算机可读取存储介质中。上述软件功能单元存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)的处理器执行本公开各个实施例所述方法的部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，简称ROM)、随机存取存储器(Random Access Memory，简称RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
需要说明的是，当元件被称为“固定于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。相反，当元件被称作“直接在”另一元件“上”时，不存在中间元件。本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的。
以上所述实施例仅表达了本公开的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对本公开专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本公开构思的前提下，还可以做出若干变形和改进，这些都属于本公开的保护范围。因此，本公开专利的保护范围应以所附权利要求为准。

Claims (14)

  1. 一种显示面板驱动装置，其包括
    多个子像素，每个所述子像素包括第一显示区和第二显示区；
    第一扫描线和第二扫描线，所述第一扫描线与多个所述第一显示区连接，所述第二扫描线与多个所述第二显示区连接；
    栅极驱动单元，所述栅极驱动单元分别与所述第一扫描线和所述第二扫描线连接；
    所述栅极驱动单元通过所述第一扫描线和所述第二扫描线分别控制所述第一显示区和所述第二显示区的充电时间以控制所述第一显示区和所述第二显示区的灰阶显示。
  2. 如权利要求1所述的显示面板驱动装置，其中，所述栅极驱动单元设置有用以控制高电平扫描信号占空比的时序控制器；
    所述时序控制器通过调整高电平扫描信号的占空比分别控制所述第一显示区和所述第二显示区的充电时间。
  3. 如权利要求2所述的显示面板驱动装置，其中，所述栅极驱动单元还包括与所述时序控制器连接的输出使能器；
    所述时序控制器通过控制高电平扫描信号的占空比使所述输出使能器输出控制信号，所述控制信号用以控制所述第一显示区和所述第二显示区的充断电。
  4. 如权利要求3所述的显示面板驱动装置，其中，所述输出使能器包括第一场效应管和第二场效应管；
    所述第一场效应管的源极与所述第二场效应管栅极连接，所述第一场效应管的源极、所述第二场效应管的栅极还分别与电源连接，所述第一场效应管的漏极和所述第二场效应管的漏极分别接地；
    所述第一场效应管的栅极用以输入所述时序控制器输出的调整过高电平扫描信号占空比的信号。
  5. 如权利要求3所述的显示面板驱动装置，其中，所述栅极驱动单元还包括电压转换电路，所述电压转换电路与所述输出使能器连接；所述电压转换电路用于将所述输出使能器输出的所述控制信号转换为控制所述第一显示区、所述第二显示区充电的扫描电压。
  6. 如权利要求1所述的显示面板驱动装置，其中，包括用于输出数据信号的源极驱动单元，所述源极驱动单元用以输出信号以向每个所述子像素的所述第一显示区和所述第二显示区充电，所述栅极驱动单元通过所述第一扫描线和所述第二扫描线分别控制所述数据信号向所述第一显示区和所述第二显示区充电的时间。
  7. 如权利要求6所述的显示面板驱动装置，其中，所述第一显示区和所述第二显示区分别设置有用于控制所述第一显示区和所述第二显示区充电的第一开关元件和第二开关元件，所述第一开关元件和所述第二开关元件分别与所述第一扫描线和所述第二扫描线连接，所述栅极驱动单元通过所述第一扫描线和所述第二扫描线分别控制所述第一开关元件和所述第二开关元件的开闭。
  8. 如权利要求7所述的显示面板驱动装置，其中，所述源极驱动单元还包括数据线，所述数据线与每个所述子像素中的所述第一开关元件的源极以及所述第二开关元件的源极连接，所述栅极驱动单元控制所述第一开关元件或所述第二开关元件开启使所述源极驱动单元通过所述数据线向所述第一显示区和所述第二显示区充电。
  9. 一种显示面板驱动装置，其包括：
    多个子像素，每个所述子像素包括第一显示区和第二显示区；
    栅极驱动单元，所述栅极驱动单元包括时序控制器、输出使能器、电压转换电路，所述时序控制器、所述输出使能器、所述电压转换电路依次电连接；
    第一扫描线和第二扫描线，所述第一扫描线的一端与多个所述第一显示区连接，所述第一扫描线的另一端与所述电压转换电路电连接；所述第二扫描线的一端与多个所述第二显示区连接，所述第二扫描线的另一端与所述电压转换电路电连接；
    源极驱动单元，所述源极驱动单元用以输出信号；
    数据线，所述数据线的一端与所述源极驱动单元连接，所述数据线的另一端与所述第一显示区和所述第二显示区连接；
    所述源极驱动单元输出的信号通过所述数据线向所述第一显示区和所述第二显示区充电，所述栅极驱动单元通过所述第一扫描线和所述第二扫描线分别 控制所述数据信号向所述第一显示区和所述第二显示区充电的时间。
  10. 一种显示面板的驱动方法，所述方法包括：
    栅极驱动单元分别控制每个子像素的第一显示区和第二显示区的开关元件开启；
    所述第一显示区和所述第二显示区开启后，源极驱动单元向所述第一显示区和所述第二显示区充电；
    所述栅极驱动单元分别控制所述第一显示区和所述第二显示区的开关元件关闭的时间，以控制所述源极驱动单元向所述第一显示区和所述第二显示区充电的时间。
  11. 如权利要求10所述的显示面板的驱动方法，其中，所述栅极驱动单元设置有用以控制高电平扫描信号占空比的时序控制器；
    所述时序控制器通过调整高电平扫描信号的占空比分别控制所述第一显示区和所述第二显示区的充电时间。
  12. 如权利要求10所述的显示面板的驱动方法，其中，所述栅极驱动单元还包括与所述时序控制器连接的输出使能器；
    所述时序控制器通过控制高电平扫描信号的占空比使所述输出使能器输出控制信号，所述控制信号用以控制所述第一显示区和所述第二显示区的充断电。
  13. 如权利要求12所述的显示面板的驱动方法，其中，所述输出使能器包括第一场效应管和第二场效应管；
    所述第一场效应管的源极与所述第二场效应管栅极连接，所述第一场效应管的源极、所述第二场效应管的栅极还分别与电源连接，所述第一场效应管的漏极和所述第二场效应管的漏极分别接地；
    所述第一场效应管的栅极用以输入所述时序控制器输出的调整过高电平扫描信号占空比的信号。
  14. 如权利要求12所述的显示面板的驱动方法，其中，所述栅极驱动单元还包括电压转换电路，所述电压转换电路与所述输出使能器连接；所述电压转换电路用于将所述输出使能器输出的所述控制信号转换为控制所述第一显示区、所述第二显示区充电的扫描电压。
PCT/CN2017/102463 2017-07-21 2017-09-20 显示面板驱动装置、显示装置和显示面板的驱动方法 Ceased WO2019015075A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/849,749 US10360836B2 (en) 2017-07-21 2017-12-21 Driving device for a display panel, display device and driving method of display panel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710602847.0A CN107516494A (zh) 2017-07-21 2017-07-21 显示面板驱动装置、显示装置和显示面板的驱动方法
CN201710602847.0 2017-07-21

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US15/849,749 Continuation US10360836B2 (en) 2017-07-21 2017-12-21 Driving device for a display panel, display device and driving method of display panel

Publications (1)

Publication Number Publication Date
WO2019015075A1 true WO2019015075A1 (zh) 2019-01-24

Family

ID=60722379

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/102463 Ceased WO2019015075A1 (zh) 2017-07-21 2017-09-20 显示面板驱动装置、显示装置和显示面板的驱动方法

Country Status (3)

Country Link
US (1) US10360836B2 (zh)
CN (1) CN107516494A (zh)
WO (1) WO2019015075A1 (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109064988B (zh) * 2018-09-07 2021-02-26 惠科股份有限公司 显示面板的驱动方法及显示装置
CN113096610A (zh) * 2018-09-27 2021-07-09 瀚宇彩晶股份有限公司 显示器及显示器的显示亮度调整方法
CN109192160A (zh) * 2018-09-30 2019-01-11 惠科股份有限公司 一种显示面板的驱动方法、系统及显示装置
CN109377951B (zh) * 2018-10-31 2021-06-11 惠科股份有限公司 一种驱动电路、显示模组的驱动方法及显示模组
CN109584840B (zh) * 2019-01-30 2020-12-29 惠科股份有限公司 显示面板的驱动方法及装置
CN109599075B (zh) * 2019-01-30 2020-12-15 惠科股份有限公司 显示面板的驱动方法、驱动装置、及显示设备
CN109584838A (zh) * 2019-01-30 2019-04-05 惠科股份有限公司 显示面板的驱动方法及显示设备
CN109616072A (zh) * 2019-01-30 2019-04-12 惠科股份有限公司 显示面板的驱动方法及显示设备
CN109671408A (zh) * 2019-01-30 2019-04-23 惠科股份有限公司 显示面板的驱动方法、装置、设备及存储介质
CN109584837A (zh) * 2019-01-30 2019-04-05 惠科股份有限公司 显示面板的驱动方法及显示设备
CN111048053B (zh) * 2020-01-03 2021-11-02 Tcl华星光电技术有限公司 液晶显示装置及其驱动方法
CN111916033A (zh) * 2020-08-19 2020-11-10 惠科股份有限公司 显示装置及其驱动方法
CN114420036B (zh) * 2022-01-26 2023-11-21 昆山国显光电有限公司 显示面板和显示装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101025486A (zh) * 2006-02-22 2007-08-29 三星电子株式会社 具有改进的侧面可视性的液晶显示装置
CN101083465A (zh) * 2006-06-02 2007-12-05 群康科技(深圳)有限公司 逻辑状态控制电路
CN101393718A (zh) * 2007-09-21 2009-03-25 三星电子株式会社 栅极驱动器以及驱动具有该栅极驱动器的显示设备的方法
CN101667381A (zh) * 2008-09-03 2010-03-10 奇美电子股份有限公司 像素组、平面显示面板及平面显示装置的驱动方法
US20120086687A1 (en) * 2009-06-19 2012-04-12 Sharp Kabushiki Kaisha Active matrix substrate, liquid crystal panel, liquid crystal display device, liquid crystal display unit, and television receiver
CN103489425A (zh) * 2013-10-12 2014-01-01 合肥京东方光电科技有限公司 电平转换电路、阵列基板及显示装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101197043B1 (ko) * 2004-11-12 2012-11-06 삼성디스플레이 주식회사 표시 장치 및 그 구동 방법
KR101082909B1 (ko) * 2005-02-05 2011-11-11 삼성전자주식회사 게이트 구동 방법 및 그 장치와 이를 갖는 표시장치
CN102103823A (zh) * 2009-12-21 2011-06-22 兆宏电子股份有限公司 电子纸装置
KR102199930B1 (ko) * 2013-12-30 2021-01-07 주식회사 실리콘웍스 게이트 드라이버와 그의 제어 방법
KR102343719B1 (ko) * 2015-02-25 2021-12-28 삼성디스플레이 주식회사 표시 장치
US10403224B2 (en) * 2016-08-10 2019-09-03 Novatek Microelectronics Corp. Control method and control device for charging time sharing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101025486A (zh) * 2006-02-22 2007-08-29 三星电子株式会社 具有改进的侧面可视性的液晶显示装置
CN101083465A (zh) * 2006-06-02 2007-12-05 群康科技(深圳)有限公司 逻辑状态控制电路
CN101393718A (zh) * 2007-09-21 2009-03-25 三星电子株式会社 栅极驱动器以及驱动具有该栅极驱动器的显示设备的方法
CN101667381A (zh) * 2008-09-03 2010-03-10 奇美电子股份有限公司 像素组、平面显示面板及平面显示装置的驱动方法
US20120086687A1 (en) * 2009-06-19 2012-04-12 Sharp Kabushiki Kaisha Active matrix substrate, liquid crystal panel, liquid crystal display device, liquid crystal display unit, and television receiver
CN103489425A (zh) * 2013-10-12 2014-01-01 合肥京东方光电科技有限公司 电平转换电路、阵列基板及显示装置

Also Published As

Publication number Publication date
US20190027086A1 (en) 2019-01-24
US10360836B2 (en) 2019-07-23
CN107516494A (zh) 2017-12-26

Similar Documents

Publication Publication Date Title
WO2019015075A1 (zh) 显示面板驱动装置、显示装置和显示面板的驱动方法
JP4221183B2 (ja) 液晶表示装置
CN107342047B (zh) 像素电路及其驱动方法、以及显示面板
US9583053B2 (en) Liquid crystal display device, driving method of liquid crystal display device and electronic apparatus, having pixels with memory functions
KR102119697B1 (ko) 유기발광다이오드 표시장치의 구동방법
US20180261180A1 (en) Display panel, driving method thereof and display device
US9489902B2 (en) Liquid crystal display device
KR102627276B1 (ko) 구동회로, 표시장치 및 이의 구동방법
TWI390493B (zh) 液晶顯示裝置與其控制方法
CN109036256B (zh) 伽马电压调节电路及显示装置
TW200525473A (en) Driver for driving a display device
JP2013182102A (ja) 液晶表示装置、液晶表示装置の駆動方法、及び、電子機器
WO2016065748A1 (zh) 显示面板及其中像素结构和驱动方法
US9583062B2 (en) Electro-optical device and electronic apparatus
WO2016090696A1 (zh) 液晶显示面板及其驱动方法
CN118471159A (zh) 一种双驱动ic复用数据信号线的场序显示电路
CN114664227B (zh) 驱动电路及驱动方法
CN108877711B (zh) 像素电路、显示面板和显示器
KR20110001902A (ko) 표시장치
US10096291B2 (en) Drive structure of a liquid crystal display panel to achieve voltage charging and voltage sharing under a 2D and 3D display mode
CN107622759B (zh) 像素控制电路及其控制方法、显示器
WO2017134967A1 (ja) 表示装置、電子機器および投射型表示装置
JP2020016672A (ja) 液晶装置および電子機器
KR20150019849A (ko) 표시 장치 및 이의 구동 방법
KR20040066239A (ko) 계조 분포에 따라 디지털 계조 데이터를 생성하는 액정표시 장치의 구동 장치 및 그 방법

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17918425

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17918425

Country of ref document: EP

Kind code of ref document: A1