EP3549124A1 - Mode d'adressage et principe de réalisation d'écrans matriciels d'affichage d'images couleur a comportement quasi-statique - Google Patents
Mode d'adressage et principe de réalisation d'écrans matriciels d'affichage d'images couleur a comportement quasi-statiqueInfo
- Publication number
- EP3549124A1 EP3549124A1 EP16819342.3A EP16819342A EP3549124A1 EP 3549124 A1 EP3549124 A1 EP 3549124A1 EP 16819342 A EP16819342 A EP 16819342A EP 3549124 A1 EP3549124 A1 EP 3549124A1
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Classifications
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
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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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- 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
- G09G3/2085—Special arrangements for addressing the individual elements of the matrix, other than by driving respective rows and columns in combination
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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]
- G09G3/3216—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 a passive matrix
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- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0235—Field-sequential colour display
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- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
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- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/028—Generation of voltages supplied to electrode drivers in a matrix display other than LCD
Definitions
- the present invention relates to a mode of addressing and a principle of realization of large color flat matrix display screens, and provides solutions to several drawbacks related to the current methods of producing and addressing these screens, noted mainly when the addressing of the image elements (in common language: the pixels), said screens is said to be multiplexed, is made sequentially in time.
- the main advantage of these techniques of making flat screens compared to older techniques (screens using cathode ray tubes) is that their thickness, from a few millimeters to several centimeters, depends only very little on the size of the screen. screen, but essentially the technique used.
- Light emitting diode display screens make it possible to overcome this limitation and use usually an assembly of unitary components associated with their control electronics on a printed circuit.
- the subsets thus formed, or modules, of size up to 25 dm 2 today are then combined together to form modular screens of very large size.
- the resolution of these modules, so screens that use them is limited by the size of the components used to achieve them, at least a few millimeters in the current state of the art.
- the documents US 2013/0234175 [4] and US 2007/0262334 [5] describe, without this being limiting in the choices that the designer may make, LED components that may be used for manufacturing a screen of this type.
- the latter technique is used for the realization of large screens and usually observed from a distance, such as, for example, urban display media or advertising.
- the present invention applies in particular, without being limiting, to the latter technique of producing screens.
- FIG. 17 of document [1] and FIG. 1 of the present document A widely used structure for realizing and controlling the different pixels of these modules is described in FIG. 17 of document [1] and FIG. 1 of the present document.
- This example describes four rows of two color pixels 1 each composed of three red sub-pixels 1A, 1B green and 1C blue made here by means of red, green and blue light-emitting diodes (LEDs), denoted Red, Green & Blue, and making it possible to produce any color images.
- LEDs red, green and blue light-emitting diodes
- the matrix organization in lines and columns of pixels is particularly adapted to the display of images and video contents, because of the organization itself matrix of these. It is useful to note that the concept of rows and columns, used in this memo, remains in shape. The role of rows and columns, as these terms are used in the following, can be exchanged without changing the principle of addressing modes and implementation principles that are described in the following.
- the addressing mode of such a structure implements a single circuit or line selection module 2 which activates successively over time.
- the anodes of the LEDs of the same line are interconnected with each other and receive the same positive control voltage generated by the subset 3 when the switch of the concerned line is closed.
- the cathodes of the LEDs of the same column of sub-pixels are connected to one another and to the same output of a control circuit chosen from the three possible outputs for the three colors of possible sub-pixels namely red 4A, green 4B and blue 4C.
- the current flowing in, hence the amount of light that is emitted by, an LED when the line to which it belongs is selected by the line selection circuit 2 and when the column to which it belongs is selected by the control circuit of the sub pixels per color, can therefore be controlled independently of other LEDs on its own line and independently of other LEDs belonging to unselected lines.
- the sequential selection of the lines of the screen thanks to the selection circuits 2, thus makes it possible to construct and display any image in this case a white image resulting from the superposition of all the sub pixels of the pixels of the same line. on four successive frames.
- control circuit 4A, 4B or 4C by LED color as described in Figure 1, or a single circuit for, for example, the 6 columns of LEDs.
- a control circuit 4A, 4B or 4C by LED color as described in Figure 1, or a single circuit for, for example, the 6 columns of LEDs.
- Many manufacturers offer suitable circuits that usually have 16 outputs and are able to temporally modulate the current flowing through the LEDs and thus produce images having a very large number of color gradations.
- the data to be displayed is produced by the subset 5 according to the specifications required by the manufacturer of the control circuit used.
- the displayed image is formed during a number of sub-frames depending on the number of lines of the screen of a display module constituting the modular screen.
- the visual persistence of the human eye means that the four sub-images thus emitted by the LEDs in each of the lines are visually superimposed to produce a complete image. It is necessary to control the 4 lines of only one set of control circuits 4.
- the visual appearance of the 4 sub-images resulting from this mode of addressing is described in FIG. 2 for a four by four pixel section 1 of the screen, which specifies, for each of the 4 subframes T1 to T4, which are the selected pixels 6 displaying the state and the color determined by the content of the information transferred to and contained in the control circuits 4 and the unselected pixels 7.
- the sequence of sub-images thus produced must be fast enough to that the human eye does not perceive independent sub-images. A repetition rate greater than 25 Hz minimum is required.
- N 4 multiplexing rate because of the number of sub-frames necessary for the constitution of a complete image.
- the most common multiplexing rates encountered in LED displays are 2, 4, and more rarely 8.
- the N sub-images produced being relative to N groups of different pixels, each pixel group consisting of a row of pixels, the multiplexing is called spatial.
- a time multiplexing of the color, the red, green and blue sub-pixels of the same pixel, representing the different color components of the display screen, being sequentially displayed to produce the final image, may also be envisaged .
- a screen of this type comprises pixels 1 arranged in a matrix and each consisting of different types of optoelectronic devices 1A, 1B, 1C respectively capable of diffusing different basic colors (red, green, blue) when a electrical excitation is applied to them, each optoelectronic device 1A, 1B, 1C being connected on the one hand to an electric excitation source corresponding to the color that it diffuses, said color source 3A, 3B, 3C, and secondly a control means 5 for varying the intensity of the diffusion of the corresponding color.
- the optoelectronic devices 1A, 1D, 1E diffusing the same color are connected by their anode to the corresponding color source 3A (in this case VRED) via a single selection module 2 (see FIGS. 26 to 31).
- the cathodes of the three LEDs constituting the three red sub-pixels 1A, 1B green and 1C blue of the same pixel 1 are interconnected and controlled by a single color output 3A of a color selection module.
- the display of the image thus consists of the temporal superposition of the three components red, green and blue, corresponding to the three different types or families of sub-pixels.
- the main advantage of such a color multiplexing, where the sub-pixels are grouped into as many groups as possible basic colors "C" (in this case 3) ie groups of sub-pixels of color identical, is that the number of necessary control outputs is divided by C, C being usually equal to 3, the number of color sub-pixels or LEDs constituting an elementary pixel.
- the display of the image is dynamic and any shooting carried out on the screen in operation can put in obviously one of the color components produced. For example, and in the case of a red, green, and blue trichromatic screen, an entire green, red, or blue image may result from shooting at a low exposure time.
- the document [3] also draws attention to the fact that the working voltages of the LEDs generally depend on the color emitted and that in order to optimize the energy consumption of a screen, it is preferable to provide a different supply voltage. in groups associated with each family of sub-pixels or group of sub-pixels.
- the set of pixels, and consecutively sub pixels, are grouped into N groups activated successively in the course of N subframes, producing N subimages of the complete image which, owing to the phenomenon of retinal persistence, make it possible to reproduce this one.
- Each output of the control circuits 4 makes it possible to control N groups of sub-pixels.
- Selection circuits 2 comprise N sets of outputs, each associated with a sub-frame.
- Selection circuits 2 comprise C sets of outputs, each being associated with a sub-frame.
- the two types of spatial and temporal multiplexing described above have the major disadvantage of requiring more instantaneous current than if no multiplexing was performed, and displaying an image with visual artifacts during a shooting of this screen. with a device with a low exposure time.
- the present invention aims to overcome the disadvantages of the known embodiments described above.
- the subject of the present invention is a multiplexed color image display matrix screen, the screen consisting of pixels arranged in a matrix and each consisting of different types of optoelectronic devices respectively able to diffuse different basic colors when a electrical excitation is applied to it, each optoelectronic device being connected on the one hand to an electric excitation source corresponding to the color that it diffuses, said color source, and on the other hand to a control means making it possible to vary the intensity of the diffusion of the corresponding color, the optoelectronic devices diffusing the same color being connected to the corresponding color source via at least one selection module of a color source.
- the screen comprises several selection modules each connected to at least one color source, each selection module comprising different selection terminals, a single selection terminal per selection module being activated during a single phase.
- operation of the screen or sub-frame, and the optoelectronic devices of the screen belonging to the same color family, ie diffusing the same color, are distributed among different groups, and meet the following characteristics:
- the optoelectronic devices of the same group are all connected to the same corresponding color selection terminal of the same selection module,
- the selection terminals of a group of each family can be activated simultaneously so as to solicit optoelectronic devices diffusing all the possible colors during the same subframe.
- the invention may furthermore exhibit one or both of the following aspects: the optoelectronic devices of the same pixel and belonging to different groups, are connected to the same control means for a basic number of colors C, C being a positive integer, and an N multiplexing rate, N being a positive integer, the optoelectronic devices of a number of N pixels (s) are connected to the same control means in which, for a basic number of colors C, C being a positive integer, and a multiplexing rate N, N being an integer positive, the screen has a total number of N * C 2 groups in which the optoelectronic devices of the screen are distributed and a total number of N * C 2 selection terminals connected respectively to the N * C 2 groups and distributed in one number C * N selection modules in which the optoelectronic devices of the same group and connected to the same selection terminal are arranged in a column and / or a line of the pixel matrix constituting the matrix screen, the di Optoelectronic devices connected to two different selection terminals among those
- an optoelectronic device is a light-emitting diode whose anode is connected to the corresponding selection terminal and the cathode to the corresponding control means
- the invention also relates to a display device comprising one or more screens assembled together to form it, as defined above.
- the invention also relates to a method for manufacturing the multiplexed color image display matrix screen above.
- the method comprises:
- N a positive integer
- it constitutes a total number of N * C groups of optoelectronic devices and optoelectronic devices of the same group are connected to the same terminal, the screen being dimensioned with a total number of N * C 2 selection terminals and a number C * N of modules Selection.
- the device according to the invention can also have one and / or the other of the following characteristics:
- the subpixel groups G X , Y , Z are organized spatially so that, for any subframe T Y , Z considered, any grouping of NC consecutive pixels, considered according to one line and / or any grouping of NC consecutive pixels; viewed according to a column of the screen, contains exactly C pixels of which a sub-pixel is selected and displayed, each C sub-pixels being chosen in a family F x different among the C families of sub-pixels of the screen.
- the subpixel groups G X , Y , Z are spatially organized in such a way that any pixel including a representative among the C families F x of sub-pixels is selected and displayed, is tracked, according to the rows or columns or rows and columns of the screen, of Nl pixels for which none of the sub-pixels is selected.
- the subpixel groups G X , Y , Z are temporally organized in such a way that any pixel including a representative, among the C families F x of sub-pixels, is selected and displayed during a sub-frame considered , does not have a subpixel selected and displayed during the following Nl subframes.
- the nine subpixel groups G X , Y , where l ⁇ X ⁇ 3 and l ⁇ Y ⁇ 3, are spatially organized in such a way that, whatever the sub-frame T Y considered, any grouping of 3 neighboring pixels displays a representative of each of the 3 families of sub-pixels on the screen.
- This one can also be modified according to:
- the sub-pixels of the families Fi, F 2 & F 3 are respectively of red, green and blue color.
- the sub-pixels of the families Fi, F 2 , F 3 F 4 can advantageously take respectively the colors red, green, blue and white.
- the invention applies in particular to screens made from light-emitting diodes.
- Each output of the control circuits is connected to the CN cathodes of the light-emitting diodes constituting the CN subpixels of N distinct pixels, each sub-pixel pixel belonging to a group G X , Y , Z distinct characterized by 1 ⁇ i ⁇ C and 1 ⁇ Z ⁇ N.
- Figure 1 describes a principle of realization of spatially multiplexed screens as can be found in the existing literature.
- FIG. 2 describes the visual appearance of a 4 by 4 pixel area of a screen according to the principle of FIG. 1 and for the different subframes.
- FIG. 4 describes the visual appearance of the pixels of a 4 by 4 pixel area of a screen according to the principle of FIG. 3 and for the different subframes.
- FIG. 6 describes the same situation according to a method of the prior art of FIGS. 3 and 4.
- FIG. 13 describes in connection with FIGS. 10 & 12, an example of organization of subpixel groups according to the rows & columns of the screen & the family considered.
- FIG. 14 diagrammatically illustrates the cabling of the pixels of the screen whose sub-frames are represented in FIG. 8, for the sub-frame T1, the representation of which is also shown in FIG.
- FIGS. 16 and 17 are similar to FIGS. 14 and 15, for the T2 sub-frame
- Figures 18 and 19 are similar to Figures 14 and 15, for the T3 subframe
- FIGS. 20 to 25 are similar to FIGS. 14 to 19 while being made for wiring the pixels of the screen of FIG. 9 according to the invention
- FIGS. 26 to 31 are similar to FIGS. 14 to 19 while being made for wiring the pixels of the screen of FIG. 4 according to the state of the art
- Figures 32 to 34 are similar to Figures 14 to 19 being made to illustrate the configuration of the control means for displaying any image on the screen. Definitions
- Sub-pixel optoelectronic device capable of diffusing a color of the visible with a greater or lesser intensity, when an electric excitation is applied to it, one speaks indifferently of sub-pixel or electronic device, LED, LED in the present text
- Underframe phase of operation of a multiplexed matrix screen during which a degraded image (counting less pixels activated than the image to be displayed) is produced.
- a degraded image counting less pixels activated than the image to be displayed.
- N multiplexing rate it will take a number of N in successive frames to reconstitute said image to be displayed.
- a matrix screen has fewer visual artifacts than a prior art display when filmed or captured by a low time exposure apparatus and requires less instantaneous current than known multiplexed displays.
- This objective is achieved thanks to an innovative cabling of sub-pixels of the screen which are organized in different groups so that at each subframe, the sub-pixels of all the basic colors of the screen are activated and that on average, each sub-frame 1/3 sub pixels are activated.
- each pixel of the screen 1 consists of several pixels respectively diffusing basic colors of the screen.
- the basic colors are there are three of them: red, green and blue, this number being noted C.
- the sub-pixels of red, green and blue colors are arranged in this order for each of the pixels represented.
- the number N governs with the color number C, the number of subframes allowing the constitution of a complete image, which is equal to C * N is three subframes for the illustrated example.
- the screen comprises several selection modules 10, 11, 12 each connected to at least one color source VRED, VGREEN, VBLUE.
- each selection module is connected to the three color sources.
- each selection module 2 is connected to a single color source.
- Each selection module 10, 11, 12 comprises different selection terminals 13 each connected to a color source by means of a switch.
- the sub-pixels (which are light-emitting diodes in the illustrated example) belong to different families of color (red family Fl, green family F2, blue family F3) represented by squares of colors and / or different patterns.
- Subpixels of the same family are divided into different groups recognizable by the fact that subpixels belonging to the same group are connected to the same connection terminal.
- the number of sub-pixel groups depends on the number of basic colors of the screen C, which are three in the illustrated example (red green and blue), and a positive integer N representing the multiplexing rate which is 1 in the illustrated example. More precisely, the number of sub-pixel groups is N * C 2, ie 9 sub-pixel groups, each connected respectively to a number N * C 2 selection terminals, and each color family comprises a number of C * Ns that is three sub-pixel groups of the same color.
- the first group G1 consists of the red sub pixels of the first pixel column and the fourth pixel column (and of all subsequent columns of the screen respecting this periodicity, not shown), these sub pixels are all connected to the selection terminal SI which is connected to the red color source in the first selection module 10
- the second group G2 consists of the red sub pixels of the second pixel column (and of all subsequent columns of the screen respecting this periodicity, not shown) which are all connected to the terminal S4 which is connected to the color source red in the second module
- the third group G3 consists of the red sub pixels of the third pixel column (and of all the following columns of the screen respecting this periodicity, not shown) which are all connected to the terminal S4 which is connected to the color source red in the third module Similarly, there are three groups of green sub-pixels H1, H2 and H3, consisting of the green sub-pixels respectively present on:
- the screen according to the invention comprises a control box which controls the closing of a switch per selection module to each subframe, and thus connects the terminal S of a group of sub-pixels to the corresponding color source, knowing that switches whose closing is controlled, are connected to different color sources, so that each subframe, all colors are broadcast simultaneously.
- the selection terminals of a group of each family are simultaneously activatable so as to solicit optoelectronic devices diffusing all the possible colors.
- each subframe, sub-pixels of different colors, distributed over the entire screen (and no longer certain lines of sub-pixels of the same color) are potentially activatable.
- control means are provided.
- Each sub-pixel is in fact connected opposite its selection terminal, to an output of a control means which can regulate the light scattering intensity of this sub-pixel between 0 and 100%.
- the same control means output can control the sub-pixels of the same pixel. This is the case of the separate outputs of the control means 14 to 17 of FIG. 14 which are each connected to the sub-pixels of the same pixel and thus to modulate the intensity of the activated sub-pixel during the subframe considered.
- the same control means can advantageously control the sub-pixels of a number of N pixels which are not connected to terminals of selection activated during the same subframe.
- FIGS. 15, 17 and 19, which represent the three sub-frames composing an image, illustrate the display of the screen when the control outputs control the active sub-pixels so that they all broadcast at 100% the corresponding color.
- control means will control the sub-pixels whose selection terminals are activated during the subframe considered and whose color and location in the pixel matrix coincide with the color of the image at the corresponding location, an intensity of 100%, and the other sub-pixels whose selection terminals are activated during this subframe but whose colors and locations in the matrix do not match, an intensity of 0%.
- the sub-pixels connected to two different selection terminals among those activated simultaneously during the same subframe and belonging to two different families are arranged in two adjacent columns (thus during the frame T1, the red sub-pixels of the group G1 are arranged in column and adjacent to the green sub-pixels of the group H2), in order to distribute each color through the pixels of the matrix.
- the sub-pixels of the same group activated during a sub-frame are also distributed in line and in column so that their nearest neighbor is of a different color family.
- the invention provides a corresponding wiring for these optimized screens illustrated in Figures 20, 22, 24 which responds to the same general principles as those discussed above.
- the immediate neighbor in line and in column of an activatable sub-pixel during the subframe considered is of one and the other of the other colors.
- each family F x of sub-pixels of the screen is subdivided into NC disjoint groups thus constituting NC 2 subpixel groups G X , Y, Z, with N ⁇ l, l ⁇ Y ⁇ C and l ⁇ Z ⁇ N, all the sub pixels of group G X , Y , Z belonging to the same family F x , and each group being associated with a common selection means SX, Y, Z.
- These groups are selected and displayed sequentially during NC consecutive sub-frames, the C groups Gi, Y , z , G2, Y, Z ⁇ ⁇ ⁇ G C , Y, Z being simultaneously selected, thanks to the selection means Si, Y , z , S2, Y, Z ⁇ ⁇ ⁇ S C , Y , Z , and displayed during the T Y , Z subframe .
- G C , Y, Z can be written in a simplified manner G C , Y and T Y , z denoted T Y.
- the families of sub-pixels are 3 in number, characterized by the color displayed; Red, green or blue, respectively denoted Fi, F 2 & F 3 .
- the sub-pixels are organized into 9 groups: 3 groups for the sub-pixels of red color; Gi i
- the table in FIG. 5 shows, for each of the 9 groups and as a function of the sub-frame ⁇ , T2 or T3, the percentage of sub-pixels displayed, as well as the sum of these percentages within the same family. , F2 or F3.
- FIG. 8 illustrates a possible arrangement of these groups of sub-pixels. It can be seen in this figure that during the three sub-frames, each sub-pixel of each pixel has been selected and displayed, thus allowing to compose a complete image.
- the table of FIG. 6 presents the same results for the color component multiplexing method of the prior art as previously described in FIGS. 3 and 4.
- FIG. 4 illustrates the distribution and the evolution of the state of the pixels of the screen relating to the table of FIG. 6.
- the percentage of sub-pixels displayed in a given family is not constant but is maximum and 100% in the course of time. a single sub-frame, the addressing mode of the invention makes it possible for it to ensure that the same percentage remains constant and equal to 1/3 whatever the sub-frame considered.
- the peak power required to power each family is divided by C, which makes it possible to satisfy a power supply whose peak power is C times lower.
- FIG. 10 shows the other 5 subframes Ti, 2 , T 2 , i, T 2 , 2 , ⁇ 3, i and T 3 ', 2 associated with the frame ⁇ , ⁇ detailed in FIG. 7.
- the groups implemented for these subframes can be easily deduced from Figure 10, because being constituted for each subframe of the 3 groups of sub-pixels associated with each family that compose them.
- the previous discussion does not take into account the spatial distribution of subpixel groups during a frame. However, it is apparent from the examination of FIGS. 8, 9 and 10, that it is advantageous to do so according to specific methods to the principle of the invention.
- the groups of sub-pixels G X , Y , Z may be spatially organized such that for any subframe T Y , Z considered, any grouping of NC consecutive pixels considered along a line and / or any grouping of NCs consecutive pixels considered according to a column of the screen, contains exactly C pixels of which a sub-pixel is selected and displayed, each being chosen in a family F x different among the C families of sub-pixels of the screen.
- any shooting of a trichromatic screen with low exposure time, even if it may not render the same quality as the complete image, never results in an image of only one of the colors of the screen as can be observed commonly with known methods. Even if the image is displayed dynamically during several sub-frames, any snapshot remains representative of the complete image and the addressing method of the invention can, therefore, be described as quasi-static.
- the subpixel groups G X , Y , Z are organized in such a way that any pixel whose a representative among the C families F x of sub-pixels is selected and displayed, is followed, according to the rows or the columns or the rows and the columns of the screen, of Nl pixels for which none of the sub-pixels is selected.
- the groups of sub-pixels G X , Y , Z are organized in such a way that any pixel including a representative among the C families F x of sub-pixels is selected and displayed during of a subframe considered, is not displayed during the N-1 under subsequent frames.
- any pixel is surrounded by 8 close neighbors as visible, for example, in FIGS. 9 & 10.
- every pixel is surrounded by 6 nearest neighbors.
- the 9 groups of sub-pixels G X , Y are spatially organized such that for any sub-frame T Y considered, any grouping of 3 neighboring pixels displays a representative of each of the three families of sub-pixels of the screen .
- Figure 11 describes a first possible organization, a second being also described by inverting families F2 and F3 of this same figure.
- HP the distance between two pixels of the same line
- VP the distance between a pixel and the adjacent pixels of an adjacent line
- the pixels are arranged in a regular hexagonal pattern, any grouping of 3 neighboring pixels forming an equilateral triangle.
- the density D H of pixels is then given by:
- the ratio D H / D R is thus, for an average distance between identical pixels, equal to:
- the nature of the sub-pixels constituting the families Fi, F 2 , ... F c can be arbitrary and associate these sub-pixels according to their color, their technology, their operating voltage or any other characteristic.
- the invention finds particular application in the case where this distribution of C families is done according to the color. Two particular cases of implementation of the addressing principle of the invention have in this case a practical interest:
- This configuration thus makes it possible to display any color images.
- the invention also finds a particularly advantageous application in the case of the production of LED screens.
- each pixel consists of sub-pixels consisting of light-emitting diodes connected as follows:
- All the anodes of the light-emitting diodes constituting the sub-pixels of the same group Gx Y z are connected together and at the same output of the selection means 2, counting NC 2 , for sequentially selecting these groups during NC under consecutive frames at the ratio of C distinct groups Gi, Y , z , G2, Y , I. . . G C , Y , Z by subframe T Y , Z ,
- Each output of the control circuits 4, for controlling the current flowing in the diodes connected thereto, is also connected to the CN cathodes of the light-emitting diodes constituting the CN sub-pixels of N distinct pixels, each sub-pixel belonging to a group G X , Y , Z distinct characterized by 1 ⁇ Y ⁇ C and l ⁇ Z ⁇ N.
- Figure 10 describes, for a portion of 6 lines of 6 pixels, the state of the subpixels short of the different subframes. It is useful to refer to it to better understand the diagram of figure 12.
- the tables in FIG. 13 also show for each family F1, F2 and F3, and each pixel of the area considered on the screen, to which group belong the different sub-pixels.
- the groups are 2.3 2 , or 18, 2.3 or 6 per family of sub-pixels.
- the 3 selection circuits are 2.3 2 , or 18, 2.3 or 6 per family of sub-pixels.
- the cathodes of the LEDs constituting the sub-pixels From the point of view of the cathodes of the LEDs constituting the sub-pixels, it is useful to take a particular example to better understand how the principle of the invention can be applied.
- the 3 cathodes of the 3 subpixels of the pixel belonging to the first row & first column thus belonging to the groups Gi, i, i, G 2 , 2 , i & G 3, 3, i, as well as the
- a single output of the control circuits 4 thus makes it possible to control N.C sub-pixels.
Abstract
Description
Claims
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PCT/FR2016/053165 WO2018100252A1 (fr) | 2016-12-01 | 2016-12-01 | Mode d'adressage et principe de réalisation d'écrans matriciels d'affichage d'images couleur a comportement quasi-statique |
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EP3549124A1 true EP3549124A1 (fr) | 2019-10-09 |
EP3549124B1 EP3549124B1 (fr) | 2023-07-12 |
EP3549124C0 EP3549124C0 (fr) | 2023-07-12 |
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US (1) | US10825410B2 (fr) |
EP (1) | EP3549124B1 (fr) |
CN (1) | CN110168628B (fr) |
WO (1) | WO2018100252A1 (fr) |
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US10867538B1 (en) * | 2019-03-05 | 2020-12-15 | Facebook Technologies, Llc | Systems and methods for transferring an image to an array of emissive sub pixels |
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---|---|---|---|---|
JP3098641B2 (ja) * | 1993-01-08 | 2000-10-16 | シャープ株式会社 | 三色発光表示装置 |
JP3260019B2 (ja) * | 1993-09-24 | 2002-02-25 | 松下電器産業株式会社 | ダイナミック点灯制御回路 |
US5812105A (en) | 1996-06-10 | 1998-09-22 | Cree Research, Inc. | Led dot matrix drive method and apparatus |
US6618031B1 (en) * | 1999-02-26 | 2003-09-09 | Three-Five Systems, Inc. | Method and apparatus for independent control of brightness and color balance in display and illumination systems |
US6734875B1 (en) | 1999-03-24 | 2004-05-11 | Avix, Inc. | Fullcolor LED display system |
JP2002244619A (ja) * | 2001-02-15 | 2002-08-30 | Sony Corp | Led表示装置の駆動回路 |
JP4177022B2 (ja) * | 2002-05-07 | 2008-11-05 | ローム株式会社 | 発光素子駆動装置、及び発光素子を備えた電子機器 |
KR100570774B1 (ko) * | 2004-08-20 | 2006-04-12 | 삼성에스디아이 주식회사 | 발광표시 장치의 표시 데이터용 메모리 관리 방법 |
JP2006119274A (ja) | 2004-10-20 | 2006-05-11 | Nec Lighting Ltd | Led表示装置および表示制御方法 |
EP1964100B1 (fr) * | 2005-12-16 | 2011-04-20 | Trident Microsystems (Far East) Ltd. | Dispositif et procede de compensation des variations chromatiques d'un ecran |
KR20070072142A (ko) * | 2005-12-30 | 2007-07-04 | 엘지.필립스 엘시디 주식회사 | 전계 발광 표시장치와 그 구동방법 |
TWM300351U (en) | 2006-05-10 | 2006-11-01 | Bacol Optoelectronic Co Ltd | Full-color light-emitting unit and the full-color LED panel |
US8421093B2 (en) | 2007-07-13 | 2013-04-16 | Rohm Co., Ltd. | LED module and LED dot matrix display |
JP5482393B2 (ja) * | 2010-04-08 | 2014-05-07 | ソニー株式会社 | 表示装置、表示装置のレイアウト方法、及び、電子機器 |
CN101894504B (zh) | 2010-07-13 | 2012-07-04 | 利亚德光电股份有限公司 | Led显示面板及显示器 |
KR100992383B1 (ko) * | 2010-07-19 | 2010-11-08 | 주식회사 대한전광 | Led 전광판 및 그 구동 방법 |
US8456093B2 (en) * | 2011-03-25 | 2013-06-04 | Texas Instruments Incorporated | Apparatus and method for LED array control |
CN103854597B (zh) * | 2012-11-29 | 2016-08-10 | 利亚德光电股份有限公司 | Led显示器及led控制系统 |
CN104240635A (zh) * | 2013-06-10 | 2014-12-24 | 缪朝晖 | 一种显示控制接口电路 |
US10170045B2 (en) | 2013-07-01 | 2019-01-01 | Sharp Kabushiki Kaisha | Display device and driving method of the same |
-
2016
- 2016-12-01 US US16/465,840 patent/US10825410B2/en active Active
- 2016-12-01 EP EP16819342.3A patent/EP3549124B1/fr active Active
- 2016-12-01 CN CN201680091983.1A patent/CN110168628B/zh active Active
- 2016-12-01 WO PCT/FR2016/053165 patent/WO2018100252A1/fr unknown
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WO2018100252A1 (fr) | 2018-06-07 |
US20190304390A1 (en) | 2019-10-03 |
EP3549124B1 (fr) | 2023-07-12 |
US10825410B2 (en) | 2020-11-03 |
CN110168628B (zh) | 2023-07-25 |
EP3549124C0 (fr) | 2023-07-12 |
CN110168628A (zh) | 2019-08-23 |
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