WO2016123830A1 - 非矩形显示器及其驱动方法 - Google Patents

非矩形显示器及其驱动方法 Download PDF

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Publication number
WO2016123830A1
WO2016123830A1 PCT/CN2015/073631 CN2015073631W WO2016123830A1 WO 2016123830 A1 WO2016123830 A1 WO 2016123830A1 CN 2015073631 W CN2015073631 W CN 2015073631W WO 2016123830 A1 WO2016123830 A1 WO 2016123830A1
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WIPO (PCT)
Prior art keywords
pixel unit
driving
row
pixel
width
Prior art date
Application number
PCT/CN2015/073631
Other languages
English (en)
French (fr)
Inventor
吴智豪
Original Assignee
深圳市华星光电技术有限公司
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Filing date
Publication date
Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US14/438,603 priority Critical patent/US20160372026A1/en
Publication of WO2016123830A1 publication Critical patent/WO2016123830A1/zh

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Classifications

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    • 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]
    • G09G3/3266—Details of drivers for scan electrodes
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    • 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
    • G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
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    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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    • 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]
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    • 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
    • G09G3/3258—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 voltage across the light-emitting element
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    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—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
    • G—PHYSICS
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    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—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
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    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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Definitions

  • the present invention relates to the field of display technologies, and in particular, to a non-rectangular display and a driving method thereof.
  • the pixel driving of the non-rectangular display still adopts the pixel unit driving method of the conventional rectangular display, and the driving pulse of the driving mode in the effective non-display area is invalid, and the effect of the partial driving pulse is lost, which not only increases.
  • the scanning time also increases the power consumption required by the driver, which is not conducive to cost saving and is not conducive to improving efficiency.
  • the technical problem to be solved by the present invention is to provide a non-rectangular display and a driving method thereof, which can improve driving efficiency and can save power consumption required for driving.
  • a technical solution adopted by the present invention is to provide a driving method for a non-rectangular display, wherein the driving method includes: detecting a width of each pixel unit row in the pixel unit array; according to the width of each pixel unit row Determining a driving signal of the pixel unit array, wherein a driving time of the driving signal in a pixel unit row corresponds to a width of the pixel unit row; driving the pixel unit array with a driving signal; wherein each pixel unit in the pixel unit array is detected
  • the step of width of the row includes: detecting the number of pixel units in each pixel unit row; wherein, the step of determining the driving signal of the pixel unit array according to the width of each pixel unit row comprises: determining a unit of the driving pulse required for one pixel unit
  • the driving time includes: the data signal and the scanning signal, and the driving the signal to drive the pixel unit array comprises: controlling, by the scanning signal, a time when the pixel unit row connects the data
  • another technical solution adopted by the present invention is to provide a driving method for a non-rectangular display, the driving method comprising: detecting a width of each pixel unit row in the pixel unit array; according to the width of each pixel unit row Determining a driving signal of the pixel unit array, wherein a driving time of the driving signal at a certain pixel unit row corresponds to a width of the pixel unit row; driving the pixel unit array with the driving signal.
  • the step of detecting the width of each pixel unit row in the pixel unit array includes: detecting the number of pixel units in each pixel unit row; determining the driving signal of the pixel unit array according to the width of each pixel unit row comprises: determining one pixel The unit action time of the driving pulse required by the unit; determining the action time of the driving pulse of the pixel unit row according to the number of pixel units in each pixel unit row and the unit acting time.
  • the driving signal comprises a data signal and a scanning signal
  • the driving the signal to drive the pixel unit array comprises: controlling, by the scanning signal, a time when the pixel unit row is connected to the data signal, wherein the data signal provides a driving pulse.
  • a non-rectangular display comprising: a substrate, an array of pixel units, and a driving module.
  • the pixel unit array is disposed on the substrate and includes a plurality of pixel unit rows; the driving module is connected to the substrate for detecting the width of each pixel unit row in the pixel unit array, and determining the pixel unit array according to the width of each pixel unit row
  • the driving signal wherein the driving pulse of the driving signal in a certain pixel unit row corresponds to the width of the pixel unit row, and is also used to drive the pixel cell array with the driving signal.
  • the area covered by the pixel unit array is an effective display area of the non-rectangular display, and the pixel unit rows are arranged in a direction parallel to the edge of the partial effective display area.
  • the opposite edges of the effective display area are parallel to each other, and the pixel unit rows are arranged along the edge of the longest length parallel to the opposite edges.
  • the effective display area is a polygon and is an axisymmetric figure.
  • the longest edge is a V-shaped upper edge, and the parallel edge is a V-shaped lower edge.
  • the symmetry axis of the polygon passes through the V-shape.
  • the vertices of the upper and lower edges, and both the upper and lower edges are symmetric about the axis of symmetry of the polygon.
  • the effective display area is an axisymmetric figure, the longest edge is an arcuate upper edge, and the parallel edge is an arcuate lower edge, and a symmetrical axis of the effective display area passes through the curved shape
  • the midpoint of the edge and the lower edge, and both the upper and lower edges are symmetric about the axis of symmetry of the effective display area.
  • the area covered by the pixel unit array is an effective display area of the non-rectangular display, and the effective display area is circular, and the pixel unit rows are arranged along a diameter direction of the parallel circle or arranged along the diameter direction.
  • the non-rectangular display is a liquid crystal display or an OLED display.
  • the invention has the beneficial effects that, different from the prior art, the present invention determines the driving signal of the pixel unit array according to the width of each pixel unit row, and makes the driving time of the driving signal in a certain pixel unit row and the pixel unit.
  • the width of the row corresponds to, and then the pixel unit array is driven by the driving signal.
  • FIG. 1 is a schematic structural view of a preferred embodiment of a non-rectangular display of the present invention
  • FIG. 2 is a circuit schematic diagram of a pixel unit of an active matrix based liquid crystal display according to the present invention
  • FIG. 3 is a circuit schematic diagram of a pixel unit of an active matrix light emitting diode display according to the present invention.
  • Figure 4 is a waveform diagram of a scan signal in a drive signal of the present invention.
  • FIG. 5 is a schematic diagram showing a shape of a non-rectangular display and a layout of a pixel unit array thereof according to another embodiment of the present invention
  • FIG. 6 is a schematic diagram showing another arrangement of a non-rectangular display and a pixel unit array thereof according to another embodiment of the present invention.
  • FIG. 7 is a schematic diagram showing another arrangement of a non-rectangular display and a pixel unit array thereof according to another embodiment of the present invention.
  • Figure 8 is a flow chart of a preferred embodiment of a method of driving a non-rectangular display of the present invention.
  • FIG. 1 is a schematic structural view of a preferred embodiment of a non-rectangular display of the present invention.
  • the non-rectangular display includes a substrate 10, a pixel unit array 11, and a driving module 12.
  • the pixel unit array 11 is disposed on the substrate 10 and includes a plurality of pixel unit rows 111.
  • the driving module 12 is connected to the substrate 10 for detecting the width of each pixel unit row 111 in the pixel unit array 11, and according to each pixel unit row 111.
  • the width determines the driving signal of the pixel cell array 11, wherein the driving time of the driving signal at a certain pixel cell row 111 corresponds to the width of the pixel cell row 111, and is also used to drive the pixel cell array with the driving signal.
  • the driving module 11 is disposed in a non-effective display area, wherein the non-effective display area is an area not covered by the pixel unit 1111.
  • the driving module 12 detects the width of each pixel unit row 111 in the pixel unit array 11. Specifically, the driving module 12 detects the number of pixel units 1111 in each pixel unit row 111. The driving module 12 determines the pixels according to the width of each pixel unit row 111. The driving signal of the cell array 11, specifically, the driving module 12 first determines the unit action time of the driving pulse required by one pixel unit 1111; and according to the number of pixel units 1111 and the unit acting time in each pixel unit row 111, The action time of the drive pulse of the pixel unit row 111 is determined. Preferably, the driving pulse action time of the pixel unit row 111 is equal to the product of the number of pixel cells 1111 in the pixel cell row 111 and the unit action time.
  • the driving signal includes a data signal and a scanning signal
  • the driving module 12 drives the pixel unit array 11 with a driving signal.
  • the driving module 12 controls the time at which the pixel unit row 111 connects the data signals by the scanning signal, wherein the data signal provides a driving pulse.
  • the pixel unit array 11 includes pixel units 1111 arranged in rows and columns.
  • the substrate 10 further includes a row conductor 101 and a column conductor 102.
  • Each row of pixel cells 111 shares a common row conductor 101, with each column of pixel cells sharing a common column conductor 102.
  • FIG. 2 is a circuit schematic diagram of a pixel unit of an active matrix based liquid crystal display according to the present invention.
  • each pixel unit 1111 includes a thin film transistor 21 and a liquid crystal cell 22, and the substrate 10 further includes a common electrode 23, and the thin film transistor 21 and the liquid crystal cell 22 are arranged in series with the column conductor 102 and Between the common electrodes 23.
  • the drive module 12 connects the row conductor 101 and the column conductor 102 and provides a scan signal to the row conductor 101 to provide a data signal to the column conductor 102.
  • the row conductor 101 is connected to the gate 211 of each of the thin film transistors 21 in the corresponding pixel unit row 111, and the column conductor 102 is connected to the source 213 of the thin film transistor 21 so that the thin film transistor 21 is switched by the scanning signal provided on the row conductor 101. And off.
  • the column conductor 102 is allowed to be connected to the drain 212 of each of the thin film transistors 21 in the corresponding pixel unit row 111.
  • the driving signal for causing the data signal to act on the liquid crystal cell 22, that is, the data signal on the column conductor 102 acts on the pixel unit row 111, and controls the time when the thin film transistor 21 is turned on by the scanning signal, thereby controlling the time at which the pixel unit row 111 connects the data signal,
  • Each of the pixel units 1111 further includes a storage capacitor 24 connected to one end of the next row of electrodes, the upper row of electrodes or an independent capacitor, and the other end of which is connected to the drain 212 of the corresponding thin film transistor 21.
  • the capacitance (storage device or parasitic capacitance) of the pixel unit 1111 stores the driving voltage so that the data signal can be maintained on the liquid crystal cell 22 even when the thin film transistor 21 has been turned off, thereby changing the light transmission characteristics of the liquid crystal cell 22, thereby realizing Different display effects.
  • FIG. 3 is a circuit schematic diagram of a pixel unit based on an active matrix light emitting diode display of the present invention.
  • an active matrix light emitting diode display ie, an OLED display
  • each pixel unit row 111 shares a common row conductor 101
  • each pixel unit column shares a common column conductor 102.
  • the pixel unit 1111 includes an organic light emitting diode 31.
  • the switching thin film transistor 32, the driving thin film transistor 33, and the storage capacitor 34 are provided on the substrate 10 including a common electrode 35, and the thin film transistor 32 and the storage capacitor 34 are arranged in series between the column conductor 102 and the common electrode 35.
  • the drive module 12 connects the row conductor 101 and the column conductor 102 and provides a scan signal to the row conductor 101 to provide a data signal to the column conductor 102.
  • the row conductor 101 is connected to the gate 321 of each of the switching thin film transistors 32 in the corresponding pixel unit row 111, and the column conductor 102 is connected to the source 322 of the switching thin film transistor 32, whereby the scanning signal controls a certain row of switching thin film transistors 32 to be turned on.
  • the column conductor 102 When the source 322 and the drain 323 of the switching thin film transistor 32 are turned on, the column conductor 102 is allowed to be connected to the drain 323 of each of the switching thin film transistors 32 in the corresponding pixel unit row 111, so that the column conductor 102
  • the data signal charges the storage capacitor 34. After the storage capacitor 34 is charged, when the switching thin film transistor 32 is turned off, the storage capacitor 34 discharges to switch the driving thin film transistor 33, so that the voltage source Vs flows through the organic light emitting diode 31 to emit light. , to achieve the display effect.
  • the area covered by the pixel unit array 11 is an effective display area of the non-rectangular display, the effective display area is circular, and the pixel unit rows 111 are arranged along a diameter direction of the parallel circle or along Arranged in the direction of the diameter.
  • FIG. 4 is a waveform diagram of a scan signal in the driving signal of the present invention.
  • the level is high to indicate that the corresponding thin film transistor is turned on, and the low point is that the corresponding thin film transistor is turned off.
  • the action time of the drive pulse of the drive signal in a certain pixel unit row 111 corresponds to the width of the pixel unit row 111, and the line having the larger width has a longer action time.
  • the arrangement of the pixel units in the pixel unit array is further changed, as described in detail below.
  • FIG. 5 is a schematic diagram showing the arrangement of a non-rectangular display and a pixel unit array thereof according to another embodiment of the present invention.
  • the area covered by the pixel unit array 11 is an effective display area of the non-rectangular display, and the pixel unit row 111 is arranged in a direction parallel to the edge of the partial effective display area. This arrangement can make the number of rows of pixel unit rows smaller.
  • the opposite edges 41 and 42 of the effective display area are parallel to each other, and the row of pixel cells is arranged along the edge 41 which is the longest of the two opposite edges. Further such an arrangement can result in an efficient allocation of space without redundant non-effective display areas.
  • the effective display area is a polygon and is an axisymmetric figure, the longest edge is a V-shaped upper edge 41, and the parallel edge 42 is a V-shaped lower edge 42, the symmetry of the polygon
  • the axis A passes through the apex of the upper edge 41 and the lower edge 42 of the V-shape, and both the upper edge 41 and the lower edge 42 are symmetrical about the axis of symmetry A of the polygon.
  • the upper line 41 and the lower line 42 of the V-shape are removed, and the curved line segments connect the upper edge 41 and the lower edge 42 of the V-shape into a closed polygon.
  • Closed polygons or other irregular shapes are formed by joining other curves or more complex bend segments.
  • FIG. 6 is a schematic diagram showing another arrangement of a non-rectangular display and a pixel unit array thereof according to another embodiment of the present invention.
  • the effective display area is an axisymmetric pattern
  • the longest edge 51 is an arcuate upper edge 51
  • the parallel edge 52 is an arcuate lower edge 52
  • one of the effective display areas The axis of symmetry B passes through the midpoint of the curved upper edge 51 and the lower edge 52, and both the upper edge 51 and the lower edge 52 are symmetrical about the axis of symmetry B of the effective display area.
  • FIG. 7 is a schematic diagram showing another arrangement of a non-rectangular display and a pixel unit array thereof according to another embodiment of the present invention.
  • the effective display area is a polygon and is an asymmetrical pattern
  • the longest edge is a curved upper edge 61
  • the parallel edge 62 is a curved lower edge 62. .
  • FIG. 8 is a flow chart of a preferred embodiment of a driving method of the non-rectangular display of the present invention.
  • the driving method of the non-rectangular display comprises the following steps:
  • Step S11 Detecting the width of each pixel unit row in the pixel unit array.
  • step S11 the width of each pixel unit row 111 in the pixel cell array 11 is detected, for example, by the driving module 12.
  • the specific steps may include detecting the number of pixel units 1111 in each pixel unit row 111.
  • Step S12 determining a driving signal of the pixel unit array according to the width of each pixel unit row.
  • step S12 the action time of the drive pulse of the drive signal at a certain pixel unit row 111 corresponds to the width of the pixel unit row 111.
  • the specific steps may include: determining a unit action time of the driving pulse required by one pixel unit 1111; determining the role of the driving pulse of the pixel unit row 111 according to the number of pixel units 1111 and the unit acting time in each pixel unit row 111. time.
  • the driving pulse action time of the pixel unit row 111 is equal to the product of the number of pixel cells 1111 in the pixel cell row 111 and the unit action time.
  • Step S13 driving the pixel unit array with a driving signal.
  • the driving signal includes a data signal and a scanning signal
  • the driving the signal to drive the pixel unit array 11 includes controlling a time at which the pixel unit row connects the data signal by the scanning signal, wherein the data signal provides a driving pulse.
  • the present invention determines a driving signal of the pixel unit array according to the width of each pixel unit row, so that the driving time of the driving pulse of the driving signal in a certain pixel unit row corresponds to the width of the pixel unit row, and then The driving signal drives the pixel unit array.
  • the driving signal drives the pixel unit array.

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Abstract

公开了一种非矩形显示器及其驱动方法。该驱动方法包括：检测像素单元阵列中各个像素单元行的宽度（S11）；根据各个像素单元行的宽度确定像素单元阵列的驱动信号（S12），其中，驱动信号在某一像素单元行的驱动脉冲的作用时间与像素单元行的宽度对应；以驱动信号驱动像素单元阵列（S13）。通过上述方式，不仅节省了扫描时间，也降低了驱动所需的功耗，能够节约成本，且能够提高效率。

Description

非矩形显示器及其驱动方法
【技术领域】
本发明涉及显示技术领域，特别是涉及一种非矩形显示器及其驱动方法。
【背景技术】
随着智能手表等智能穿戴设备日益兴起，非矩形显示器的需求也越来越大。
目前，非矩形显示器的像素驱动仍然采用以往矩形显示器的像素单元驱动方式，而这种驱动方式在有效非显示区域的驱动脉冲是无效的，导致部分驱动脉冲的作用失去意义，这样不仅增加的了扫描的时间，也增加了驱动所需的功耗，不利于节约成本，不利于提高效率。
因此，需要提供一种非矩形显示器及其驱动方法，以解决上述技术问题。
【发明内容】
本发明主要解决的技术问题是提供一种非矩形显示器及其驱动方法，能够提高驱动效率，且能够节省驱动所需的功耗。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种非矩形显示器的驱动方法，其中，驱动方法包括：检测像素单元阵列中各个像素单元行的宽度；根据各个像素单元行的宽度确定像素单元阵列的驱动信号，其中，驱动信号在某一像素单元行的驱动脉冲的作用时间与像素单元行的宽度对应；以驱动信号驱动像素单元阵列；其中，检测像素单元阵列中各个像素单元行的宽度的步骤包括：检测各个像素单元行中像素单元的个数；其中，根据各个像素单元行的宽度确定像素单元阵列的驱动信号的步骤包括：确定一个像素单元所需的驱动脉冲的单位作用时间；其中，驱动信号包括数据信号和扫描信号，以驱动信号驱动像素单元阵列的步骤包括：通过扫描信号控制像素单元行连接数据信号的时间，其中数据信号提供驱动脉冲。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种非矩形显示器的驱动方法，该驱动方法包括：检测像素单元阵列中各个像素单元行的宽度；根据各个像素单元行的宽度确定像素单元阵列的驱动信号，其中，驱动信号在某一像素单元行的驱动脉冲的作用时间与像素单元行的宽度对应；以驱动信号驱动像素单元阵列。
其中，检测像素单元阵列中各个像素单元行的宽度的步骤包括：检测各个像素单元行中像素单元的个数；根据各个像素单元行的宽度确定像素单元阵列的驱动信号的步骤包括：确定一个像素单元所需的驱动脉冲的单位作用时间；根据每一像素单元行中的像素单元的个数和单位作用时间，确定像素单元行的驱动脉冲的作用时间。
其中，驱动信号包括数据信号和扫描信号，以驱动信号驱动像素单元阵列的步骤包括：通过扫描信号控制像素单元行连接数据信号的时间，其中数据信号提供驱动脉冲。
为解决上述技术问题，本发明采用的又一个技术方案是：提供一种非矩形显示器，该非矩形显示器包括：基板、像素单元阵列以及驱动模块。像素单元阵列，设置在基板上，且包括多个像素单元行；驱动模块，与基板连接，用于检测像素单元阵列中各个像素单元行的宽度，并根据各个像素单元行的宽度确定像素单元阵列的驱动信号，其中，驱动信号在某一像素单元行的驱动脉冲的作用时间与像素单元行的宽度对应，还用于以驱动信号驱动像素单元阵列。
其中，像素单元阵列覆盖的区域为非矩形显示器的有效显示区域，像素单元行沿着平行于部分有效显示区域的边缘的方向排列。
其中，有效显示区域两两相对的边缘相互平行，像素单元行沿着平行于两两相对的边缘中长度最长的边缘排列。
其中，有效显示区域为多边形，且为轴对称图形，长度最长的边缘为呈V字形的上边缘，且与之平行的边缘为呈V字形的下边缘，多边形的对称轴穿过V字形的上边缘和下边缘的顶点，且上边缘和下边缘均关于多边形的对称轴对称。
其中，有效显示区域为轴对称图形，长度最长的边缘为呈弧形的上边缘，且与之平行的边缘为呈弧形的下边缘，有效显示区域的一条对称轴穿过弧形的上边缘和下边缘的中点，且上边缘和下边缘均关于有效显示区域的对称轴对称。
其中，像素单元阵列覆盖的区域为非矩形显示器的有效显示区域，有效显示区域为圆形，像素单元行均沿着平行圆形的一直径的方向排列或者沿着直径的方向排列。
其中，非矩形显示器为液晶显示器或者OLED显示器。
本发明的有益效果是：区别于现有技术的情况，本发明根据各个像素单元行的宽度确定像素单元阵列的驱动信号，使驱动信号在某一像素单元行的驱动脉冲的作用时间与像素单元行的宽度对应，然后以该驱动信号来驱动像素单元阵列，通过上述方式，不仅节省的了扫描的时间，也降低了驱动所需的功耗，能够节约成本，且能够提高效率。
【附图说明】
图1是本发明非矩形显示器的优选实施例的结构示意图;
图2是本发明基于有源矩阵的液晶显示器的像素单元的电路原理图;
图3是本发明基于有源矩阵发光二极管显示器的像素单元的电路原理图;
图4是本发明驱动信号中扫描信号的波形图;
图5是本发明另一实施例中的非矩形显示器一种形状及其像素单元阵列的排布方式示意图；
图6是本发明另一实施例中的非矩形显示器另一种形状及其像素单元阵列的排布方式示意图；
图7是本发明另一实施例中的非矩形显示器又一种形状及其像素单元阵列的排布方式示意图；
图8是本发明非矩形显示器的驱动方法的优选实施例的流程图。
【具体实施方式】
下面结合附图和实施例对本发明进行详细的说明。
请参阅图1，图1是本发明非矩形显示器的优选实施例的结构示意图。非矩形显示器包括：基板10、像素单元阵列11以及驱动模块12。像素单元阵列11设置在基板10上，且包括多个像素单元行111，驱动模块12与基板10连接，用于检测像素单元阵列11中各个像素单元行111的宽度，并根据各个像素单元行111的宽度确定像素单元阵列11的驱动信号，其中，驱动信号在某一像素单元行111的驱动脉冲的作用时间与像素单元行111的宽度对应，还用于以驱动信号驱动像素单元阵列。驱动模块11设置在非有效显示区域，其中非有效显示区域为像素单元1111未覆盖的区域。
驱动模块12检测像素单元阵列11中各个像素单元行111的宽度，具体地，驱动模块12检测各个像素单元行111中像素单元1111的个数；驱动模块12根据各个像素单元行111的宽度确定像素单元阵列11的驱动信号，具体地，驱动模块12先确定一个像素单元1111所需的驱动脉冲的单位作用时间；再根据每一像素单元行111中的像素单元1111的个数和单位作用时间，确定像素单元行111的驱动脉冲的作用时间。优选地，像素单元行111的驱动脉冲作用时间等于像素单元行111中的像素单元1111的个数和单位作用时间的乘积。
驱动信号包括数据信号和扫描信号，驱动模块12以驱动信号驱动像素单元阵列11，具体地，驱动模块12通过扫描信号控制像素单元行111连接数据信号的时间，其中数据信号提供驱动脉冲。
具体地，像素单元阵列11包括行和列排列的像素单元1111。其中，基板10上还包括行导体101和列导体102。每个像素单元行111共享一共用行导体101，每个像素单元列共享一共用列导体102。
请结合图1参阅图2，图2是本发明基于有源矩阵的液晶显示器的像素单元的电路原理图。例如，一种有源矩阵的液晶显示器中，每个像素单元1111包括薄膜晶体管21和液晶单元22，基板10上还包括公共电极23，该薄膜晶体管21和液晶单元22串联排列在列导体102与公共电极23之间。驱动模块12连接行导体101和列导体102，并向行导体101提供扫描信号，向列导体102提供数据信号。行导体101连接对应的像素单元行111中每一薄膜晶体管21的栅极211，列导体102连接薄膜晶体管21的源极213，以使得薄膜晶体管21通过行导体101上所提供的扫描信号切换开和关。由此，扫描信号控制某一行薄膜晶体管21为开时，即漏极212与源极213导通，允许列导体102连接到对应的像素单元行111中每个薄膜晶体管21的漏极212上，使数据信号作用于液晶单元22，即列导体102上的数据信号的驱动脉冲作用于像素单元行111，通过扫描信号控制薄膜晶体管21开启的时间，从而控制像素单元行111连接数据信号的时间，每个像素单元1111还包括存储电容24，该存储电容24一端连接到下一行电极、上一行电极或一独立电容的电极上，另一端连接对应薄膜晶体管21的漏极212。像素单元1111的电容(存储电器或寄生电容)存储驱动电压，使得即使在薄膜晶体管21已经断开，数据信号也能维持在液晶单元22上，由此，改变液晶单元22的透光特征，实现不同的显示效果。
而类似地，请结合图1参阅图3，图3是本发明基于有源矩阵发光二极管显示器的像素单元的电路原理图。例如，在有源矩阵发光二极管显示器（即OLED显示器）中，每个像素单元行111共享一共用行导体101，每个像素单元列共享一共用列导体102，像素单元1111包括有机发光二极管31、开关薄膜晶体管32、驱动薄膜晶体管33以及存储电容34，基板10上包括公共电极35，该薄膜晶体管32和存储电容34串联排列在列导体102与公共电极35之间。驱动模块12连接行导体101和列导体102，并向行导体101提供扫描信号，向列导体102提供数据信号。行导体101连接到对应的像素单元行111中每一开关薄膜晶体管32的栅极321，列导体102连接开关薄膜晶体管32的源极322，由此，扫描信号控制某一行开关薄膜晶体管32为开时，即开关薄膜晶体管32的源极322和漏极323导通时，允许列导体102连接到对应的像素单元行111中每个开关薄膜晶体管32的漏极323上，使得列导体102上的数据信号为存储电容34充电，对存储电容34充电后，在该开关薄膜晶体管32关闭时，存储电容34放电对驱动薄膜晶体管33做开关的动作，使电压源Vs流经有机发光二极管31进而发光，实现显示效果。
优选地，在本实施例中，像素单元阵列11覆盖的区域为非矩形显示器的有效显示区域，有效显示区域为圆形，像素单元行111均沿着平行圆形的一直径的方向排列或者沿着直径的方向排列。
请参阅图4，图4是本发明驱动信号中扫描信号的波形图。其中，电平为高处代表对应的薄膜晶体管开启，而低处代表对应的薄膜晶体管关闭。驱动信号在某一像素单元行111的驱动脉冲的作用时间与像素单元行111的宽度对应，宽度越大的行，作用时间越长。
在本发明非矩形显示器的另一实施例中，进一步改变像素单元阵列中像素单元的排布方式，具体如下文描述。
请参阅图5，图5是本发明另一实施例中的非矩形显示器一种形状及其像素单元阵列的排布方式示意图。本实施例中，像素单元阵列11覆盖的区域为非矩形显示器的有效显示区域，像素单元行111沿着平行于部分有效显示区域的边缘的方向排列。这种排列方式可以使得像素单元行的行数变少。
优选地，有效显示区域两两相对的边缘41与边缘42相互平行，像素单元行沿着平行于两两相对的边缘中长度最长的边缘41排列。进一步这种排列方式可以使得空间有效分配不会有多余的非有效显示区域。
更为优选地，有效显示区域为多边形，且为轴对称图形，长度最长的边缘为呈V字形的上边缘41，且与之平行的边缘42为呈V字形的下边缘42，多边形的对称轴A穿过V字形的上边缘41和下边缘42的顶点，且上边缘41和下边缘42均关于多边形的对称轴A对称。图中除去V字形的上边缘41和下边缘42的其他线条均为弯折的线段将V字形的上边缘41和下边缘42连接成封闭的多边形，而在其他实施例中，可以理解，可通过其他的曲线或者更为复杂的弯折线段连接而形成封闭的多边形或者其他不规则的形状。
当然，其他实施例中，还可以是如下情形：请参阅图6，图6是本发明另一实施例中的非矩形显示器另一种形状及其像素单元阵列的排布方式示意图。在本实施例中，有效显示区域为轴对称图形，长度最长的边缘51为呈弧形的上边缘51，且与之平行的边缘52为呈弧形的下边缘52，有效显示区域的一条对称轴B穿过弧形的上边缘51和下边缘52的中点，且上边缘51和下边缘52均关于有效显示区域的对称轴B对称。图中除去弧形的上边缘51和下边缘52的其他线条为线段，将弧形的上边缘51和下边缘52连接成封闭的图形，而在其他实施例中，可以理解，可通过其他的曲线或者更为复杂的弯折线段连接而形成封闭的形状。
请参阅图7，图7是本发明另一实施例中的非矩形显示器又一种形状及其像素单元阵列的排布方式示意图。在本实施例中，有效显示区域为多边形，且为不对称的图形，长度最长的边缘为呈弯折形的上边缘61，且与之平行的边缘62为呈弯折形的下边缘62。
请参阅图8，图8是本发明非矩形显示器的驱动方法的优选实施例的流程图。在本实施例中，非矩形显示器的驱动方法包括以下步骤：
步骤S11：检测像素单元阵列中各个像素单元行的宽度。
在步骤S11中，例如利用驱动模块12检测像素单元阵列11中各个像素单元行111的宽度。具体步骤可以包括：检测各个像素单元行111中像素单元1111的个数。
步骤S12：根据各个像素单元行的宽度确定像素单元阵列的驱动信号。
在步骤S12，驱动信号在某一像素单元行111的驱动脉冲的作用时间与像素单元行111的宽度对应。具体步骤可以包括：确定一个像素单元1111所需的驱动脉冲的单位作用时间；根据每一像素单元行111中的像素单元1111的个数和单位作用时间，确定像素单元行111的驱动脉冲的作用时间。优选地，像素单元行111的驱动脉冲作用时间等于像素单元行111中的像素单元1111的个数和单位作用时间的乘积。
步骤S13：以驱动信号驱动像素单元阵列。
在步骤S13中，驱动信号包括数据信号和扫描信号，以驱动信号驱动像素单元阵列11的步骤包括：通过扫描信号控制像素单元行连接数据信号的时间，其中数据信号提供驱动脉冲。具体可见上文的描述，此处不再赘述。
区别于现有技术的情况，本发明根据各个像素单元行的宽度确定像素单元阵列的驱动信号，使驱动信号在某一像素单元行的驱动脉冲的作用时间与像素单元行的宽度对应，然后以该驱动信号来驱动像素单元阵列，通过上述方式，不仅节省的了扫描的时间，也降低了驱动所需的功耗，能够节约成本，且能够提高效率。
以上仅所述为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (11)

  1. 一种非矩形显示器的驱动方法，其中，所述驱动方法包括：
    检测像素单元阵列中各个像素单元行的宽度；
    根据各个所述像素单元行的宽度确定所述像素单元阵列的驱动信号，其中，所述驱动信号在某一所述像素单元行的驱动脉冲的作用时间与所述像素单元行的宽度对应；
    以所述驱动信号驱动所述像素单元阵列；
    其中，所述检测像素单元阵列中各个像素单元行的宽度的步骤包括：检测各个所述像素单元行中像素单元的个数；
    其中，所述根据各个所述像素单元行的宽度确定所述像素单元阵列的驱动信号的步骤包括：确定一个所述像素单元所需的驱动脉冲的单位作用时间；
    其中，所述驱动信号包括数据信号和扫描信号，所述以所述驱动信号驱动所述像素单元阵列的步骤包括：通过所述扫描信号控制所述像素单元行连接所述数据信号的时间，其中所述数据信号提供所述驱动脉冲。
  2. 一种非矩形显示器的驱动方法，其中，所述驱动方法包括：
    检测像素单元阵列中各个像素单元行的宽度；
    根据各个所述像素单元行的宽度确定所述像素单元阵列的驱动信号，其中，所述驱动信号在某一所述像素单元行的驱动脉冲的作用时间与所述像素单元行的宽度对应；
    以所述驱动信号驱动所述像素单元阵列。
  3. 根据权利要求1所述的驱动方法，其中，所述检测像素单元阵列中各个像素单元行的宽度的步骤包括：
    检测各个所述像素单元行中像素单元的个数；
    所述根据各个所述像素单元行的宽度确定所述像素单元阵列的驱动信号的步骤包括：
    确定一个所述像素单元所需的驱动脉冲的单位作用时间；
    根据每一所述像素单元行中的像素单元的个数和所述单位作用时间，确定所述像素单元行的驱动脉冲的作用时间。
  4. 根据权利要求1所述的驱动方法，其中，所述驱动信号包括数据信号和扫描信号，所述以所述驱动信号驱动所述像素单元阵列的步骤包括：
    通过所述扫描信号控制所述像素单元行连接所述数据信号的时间，其中所述数据信号提供所述驱动脉冲。
  5. 一种非矩形显示器，其中，所述非矩形显示器包括：
    基板；
    像素单元阵列，设置在所述基板上，且包括多个像素单元行；
    驱动模块，与所述基板连接，用于检测所述像素单元阵列中各个像素单元行的宽度，并根据各个所述像素单元行的宽度确定所述像素单元阵列的驱动信号，其中，所述驱动信号在某一所述像素单元行的驱动脉冲的作用时间与所述像素单元行的宽度对应，还用于以所述驱动信号驱动所述像素单元阵列。
  6. 根据权利要求5所述的非矩形显示器，其中，所述像素单元阵列覆盖的区域为所述非矩形显示器的有效显示区域，所述像素单元行沿着平行于部分所述有效显示区域的边缘的方向排列。
  7. 根据权利要求6所述的非矩形显示器，其中，所述有效显示区域两两相对的边缘相互平行，所述像素单元行沿着平行于所述两两相对的边缘中长度最长的边缘排列。
  8. 根据权利要求7所述的非矩形显示器，其中，所述有效显示区域为多边形，且为轴对称图形，所述长度最长的边缘为呈V字形的上边缘，且与之平行的边缘为呈V字形的下边缘，所述多边形的对称轴穿过所述V字形的上边缘和下边缘的顶点，且所述上边缘和所述下边缘均关于所述多边形的对称轴对称。
  9. 根据权利要求7所述的非矩形显示器，其中，所述有效显示区域为轴对称图形，所述长度最长的边缘为呈弧形的上边缘，且与之平行的边缘为呈弧形的下边缘，所述有效显示区域的一条对称轴穿过所述弧形的上边缘和下边缘的中点，且所述上边缘和所述下边缘均关于所述有效显示区域的对称轴对称。
  10. 根据权利要求5所述的非矩形显示器，其中，所述像素单元阵列覆盖的区域为所述非矩形显示器的有效显示区域，所述有效显示区域为圆形，所述像素单元行均沿着平行所述圆形的一直径的方向排列或者沿着所述直径的方向排列。
  11. 根据权利要求5所述的非矩形显示器，其中，所述非矩形显示器为液晶显示器或者OLED显示器。
PCT/CN2015/073631 2015-02-05 2015-03-04 非矩形显示器及其驱动方法 WO2016123830A1 (zh)

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