WO2019019604A1 - 显示基板、显示装置及其显示方法、掩模板 - Google Patents
显示基板、显示装置及其显示方法、掩模板 Download PDFInfo
- Publication number
- WO2019019604A1 WO2019019604A1 PCT/CN2018/075264 CN2018075264W WO2019019604A1 WO 2019019604 A1 WO2019019604 A1 WO 2019019604A1 CN 2018075264 W CN2018075264 W CN 2018075264W WO 2019019604 A1 WO2019019604 A1 WO 2019019604A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pixel unit
- sub
- color sub
- pixel
- emitting layer
- Prior art date
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 14
- 229910003460 diamond Inorganic materials 0.000 claims description 7
- 239000010432 diamond Substances 0.000 claims description 7
- 238000007740 vapor deposition Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008016 vaporization Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 13
- 239000003086 colorant Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 229910001111 Fine metal Inorganic materials 0.000 description 5
- 238000000151 deposition Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005530 etching Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
- H10K71/166—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using selective deposition, e.g. using a mask
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/352—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels the areas of the RGB subpixels being different
Definitions
- Embodiments of the present disclosure relate to a display substrate, a display device, a display method thereof, and a mask.
- OLED Organic Light-Emitting Diode
- next-generation application technology for next-generation flat panel display devices has self-luminous, fast response time, wide viewing angle, low cost, simple manufacturing process and high resolution. It has many advantages such as high brightness.
- high-precision metal reticle for vacuum evaporation is a very important and critical component.
- the quality and precision of this component directly affect the yield and quality of OLED products.
- due to the precision of the high-precision metal mask it is difficult to improve the PPI and resolution of the OLED product.
- the smaller the size of the pixel the smaller the size of the opening of the mask, and the more difficult it is to achieve a high-precision metal mask for vapor deposition.
- Pentile is a pixel arrangement method applied to OLED products. By reducing the number of sub-pixels by common sub-pixels of adjacent pixel units, the effect of simulating high resolution with low resolution can be achieved, and the same brightness can be realized. The brightness is higher, and the cost is lower, but its shortcomings are self-evident. Once the fine content needs to be displayed, the essence of Pentile will be revealed, and the sharpness will be greatly reduced, resulting in the small font not being clearly displayed.
- Embodiments of the present disclosure provide a display substrate, a display device, a display method thereof, and a mask, which can effectively improve the PPI and resolution of an OLED product.
- An embodiment of the present disclosure provides a display substrate including: a plurality of pixel unit groups arranged in a row, each of the pixel unit groups including: a first color sub-pixel unit and a ring surrounding the first color sub-pixel unit The second color sub-pixel unit.
- each of the pixel unit groups further includes: a ring-shaped third color sub-pixel unit surrounding the second color sub-pixel unit.
- the first color sub-pixel unit has a block shape.
- the first color sub-pixel unit has a hexagonal shape
- the second color sub-pixel unit has a hexagonal ring shape
- the third color sub-pixel unit has a hexagonal ring shape
- the first The color sub-pixel unit has a circular shape
- the second color sub-pixel unit has an annular shape
- the third color sub-pixel unit has an annular shape
- the first color sub-pixel unit has a diamond shape
- the second The color sub-pixel unit has a diamond-shaped ring shape
- the third color sub-pixel unit has a diamond-shaped ring shape
- the first color sub-pixel unit has a square shape
- the second color sub-pixel unit has a square ring shape.
- the three-color sub-pixel unit has a square ring shape.
- the first color sub-pixel, the second color sub-pixel, and the third color sub-pixel are selected from the group consisting of a red sub-pixel, a blue sub-pixel, and a green sub-pixel.
- the plurality of pixel unit groups include a first pixel unit group located in odd rows and a second pixel unit group located in even rows, in a direction from the pixel unit group to the outside of the pixel unit group, The color arrangement of the first pixel unit group and the second pixel unit group is different.
- the blue sub-pixel unit, the green sub-pixel unit, and the red sub-pixel unit are respectively from the inside to the outside; in the second pixel unit group, the red and the sub-pixels are respectively a pixel unit, a blue sub-pixel unit, and a green sub-pixel unit.
- the pixel unit groups of adjacent rows are staggered by a predetermined width which is equal to half the width of the pixel unit group in the row direction.
- each sub-pixel unit includes an organic light-emitting layer and at least one anode that drives the organic light-emitting layer to emit light.
- At least one of the sub-pixel units includes a plurality of mutually independent anodes, and the orthographic projections of the plurality of anodes on the organic light-emitting layer do not overlap each other.
- the first color sub-pixel unit includes a first organic light emitting layer and a first anode that drives the first organic light emitting layer to emit light; and the second color sub-pixel unit includes a second organic light emitting layer and two second anodes that drive the second organic light emitting layer to emit light, the two second anodes being symmetrically distributed with respect to a first center line of the pixel unit group.
- the at least one of the pixel unit groups further includes: a ring-shaped third color sub-pixel unit surrounding the second color sub-pixel unit, the third color sub-pixel unit including a third organic light emitting layer and driving The third organic light emitting layer emits two third anodes, and the two third anodes are symmetrically distributed with respect to the first center line.
- the first color sub-pixel unit includes a first organic light emitting layer and a first anode that drives the first organic light emitting layer to emit light
- the second color sub-pixel unit includes a second organic light emitting layer and four second anodes that drive the second organic light emitting layer to emit light
- the four second anodes are symmetrically distributed with respect to a first center line of the pixel unit group, and relative to the pixels
- the second centerline of the unit group is symmetrically distributed, and the second centerline is perpendicular to the first centerline.
- the at least one of the pixel unit groups further includes: a ring-shaped third color sub-pixel unit surrounding the second color sub-pixel unit, the third color sub-pixel unit including a third organic light emitting layer and driving The third organic light-emitting layer emits four third anodes, and the four third anodes are symmetrically distributed with respect to the first center line and symmetrically distributed with respect to the second center line.
- the first color sub-pixel unit includes a first organic light emitting layer and two first anodes that drive the first color organic light emitting layer to emit light, the two first anodes Symmetrically distributed with respect to a first center line of the pixel unit group;
- the second color sub-pixel unit includes a second organic light emitting layer and four second anodes that drive the second organic light emitting layer to emit light, the four The two anodes are symmetrically distributed with respect to a first center line of the pixel unit group, and are symmetrically distributed with respect to a second center line of the pixel unit group, the second center line being perpendicular to the first center line.
- the at least one of the pixel unit groups further includes: a ring-shaped third color sub-pixel unit surrounding the second color sub-pixel unit, the third color sub-pixel unit including a third organic light emitting layer and driving The third organic light-emitting layer emits four third anodes, and the four third anodes are symmetrically distributed with respect to the first center line and symmetrically distributed with respect to the second center line.
- Another embodiment of the present disclosure provides a display device including the display substrate of any of the above.
- a further embodiment of the present disclosure provides a display method of a display device, comprising the display substrate as described above, the display method comprising: first, the closest to the at least one of the pixel unit groups The anode and the second anode are displayed as one sub-pixel unit group; or, the first anode, the second anode, and the third anode which are closest to each other in the at least one of the pixel unit groups are displayed as one sub-pixel unit group.
- a further embodiment of the present disclosure provides a mask for manufacturing the display substrate according to any one of the preceding claims, wherein the mask comprises a plurality of mask patterns arranged in a row, each of the mask patterns being included a first opening portion for vapor-depositing the organic light-emitting layer of the first color sub-pixel unit, a second opening portion for vapor-depositing the organic light-emitting layer of the second color sub-pixel unit, and a vapor deposition chamber A third opening portion of the organic light emitting layer of the third color sub-pixel unit.
- FIG. 1 is a schematic diagram of a display substrate according to an embodiment of the present disclosure
- FIG. 2 is a schematic diagram of a pixel unit group according to an embodiment of the present disclosure
- FIG. 3 is a schematic diagram of a pixel unit group according to another embodiment of the present disclosure.
- FIG. 4 is a schematic diagram of a sub-pixel in a pixel unit group connected to a gate line and a data line according to an embodiment of the present disclosure
- FIG. 5 is a schematic diagram of a display substrate according to another embodiment of the present disclosure.
- FIG. 6 is a schematic diagram of a pixel unit group provided by still another embodiment
- FIG. 7 is a schematic diagram of a pixel unit group provided by still another embodiment.
- Figure 8 is a mask provided in accordance with an embodiment of the present disclosure.
- Embodiments of the embodiments of the present disclosure are directed to improving the PPI and resolution of an OLED product due to the limitation of the precision of the high-precision metal mask, and providing a display substrate, a display device, a display method thereof, and a mask Effectively improve the PPI and resolution of OLED products.
- An embodiment of the present disclosure provides a display substrate including a plurality of pixel unit groups S arranged in a row, each pixel unit group S including: a block-shaped first color sub-pixel unit 1 surrounding the first color sub-pixel unit 1
- the ring-shaped second color sub-pixel unit 2 surrounds the ring-shaped third color sub-pixel unit 3 of the second color sub-pixel unit 2.
- three pixel sub-pixel units of different colors are mutually surrounded in each pixel unit group, and the display device can be improved by adjusting the size of the annular sub-pixel unit and the size of the intermediate block sub-pixel in the pixel arrangement manner.
- the resolution when the display device displays a thin line image such as a small font, can make the viewer clearly see the thin line image such as the small font, breaks through the limitation of the precision of the fine metal mask, and can effectively improve the PPI of the OLED product. And resolution.
- the first color sub-pixel unit and the second color sub-pixel unit have a first interval G12; the second color sub-pixel unit and the third color sub-pixel There is a second interval G23 between the units.
- the first color sub-pixel unit has a hexagonal shape
- the second color sub-pixel unit has a hexagonal ring shape
- the third color sub-pixel unit has a hexagonal ring shape; here, the first interval G12 and The second interval G23 is a hexagonal ring shape
- the first interval G12 has a substantially constant first ring width
- the first interval G12 has a substantially constant second ring width; or
- the first color sub-pixel unit has a circular shape
- the second color sub-pixel unit has an annular shape
- the third color sub-pixel unit has an annular shape; here, the first interval G12 and the second interval G23 are both Is annular, the first interval G12 has a substantially constant first loop width, and the first interval G12 has a substantially constant second loop width; or
- the first color sub-pixel unit has a diamond shape
- the second color sub-pixel unit has a diamond ring shape
- the third color sub-pixel unit has a diamond ring shape; here, the first interval G12 and the second interval G23 are both a diamond-shaped ring shape, the first space G12 having a substantially constant first ring width, the first space G12 having a substantially constant second ring width; or
- the first color sub-pixel unit has a square shape
- the second color sub-pixel unit has a square ring shape
- the third color sub-pixel unit has a square ring shape; here, the first interval G12 and the second interval G23 are both
- the square ring has a first gap G12 having a substantially constant first loop width, and the first gap G12 has a substantially constant second loop width.
- the first color sub-pixel unit has a regular hexagon shape
- the second color sub-pixel unit has a regular hexagonal ring shape
- the third color sub-pixel unit has a regular hexagonal ring shape
- the first interval G12 and the second interval G23 are both regular hexagonal rings
- the first interval G12 has a substantially constant first ring width
- the first interval G12 has a substantially constant second ring width.
- first color sub-pixel unit, the second color sub-pixel unit, and the third color sub-pixel unit are not limited to adopting the above shape, and may be other shapes as long as three sub-pixel units of different colors can be mutually surrounded. can.
- the first color sub-pixel unit, the second color sub-pixel unit, and the third color sub-pixel unit are selected from the group consisting of a red sub-pixel unit, a blue sub-pixel unit, and a green sub-pixel unit.
- the first color sub-pixel unit, the second color sub-pixel unit, and the third color sub-pixel unit may be selected from a red sub-pixel unit and a blue sub-pixel. Unit and green sub-pixel unit.
- the first color sub-pixel unit, the second color sub-pixel unit, and the third color sub-pixel unit are not limited to being a red sub-pixel unit, a blue sub-pixel unit, and a green sub-pixel unit, and may also be sub-pixels of other colors.
- the pixel unit may be configured such that monochromatic light emitted by the first color sub-pixel unit, the second color sub-pixel unit, and the third color sub-pixel unit can be mixed into white light.
- the first color sub-pixel unit, the second color sub-pixel unit, and the third color sub-pixel unit may also be selected from the group consisting of a yellow sub-pixel unit, a magenta sub-pixel unit, and a cyan sub-pixel unit.
- the plurality of pixel unit groups include a first pixel unit group located in odd rows and a second pixel unit group located in even rows; in a direction from the pixel unit group to the outside of the pixel unit group,
- the color arrangement of the first pixel unit group and the second pixel unit group is different in color arrangement. This can achieve a better color modulation effect and improve the display quality of the display device.
- the first pixel unit group is a blue sub-pixel unit, a green sub-pixel unit, and a red sub-pixel unit from the inside to the outside.
- the second pixel unit group is a red sub-pixel unit, a blue sub-pixel unit, and a green sub-pixel unit from the inside to the outside.
- the pixel unit groups of adjacent rows are staggered by a predetermined width, and the predetermined width is equal to half of the width of the pixel unit group in the row direction; that is, the eight pixel unit groups closest to the adjacent three rows may constitute a virtual a hexagon (shown by a broken line in FIG. 1); as shown in FIG. 1, the six vertices of each virtual hexagon form a geometric center of three sub-pixels arranged in a hexagonal ring shape, so that Better color modulation and improved display quality of the display device.
- each of the sub-pixel units includes an organic light emitting layer that emits corresponding color light and at least one anode that drives the organic light emitting layer to emit light.
- the anode is fabricated by an etching process, which is not limited by the precision of the fine metal mask, and the size of the anode can be made small.
- a plurality of anodes may be formed corresponding to the organic light-emitting layers emitting the same color such that each anode and its corresponding organic light-emitting layer portion form one sub-pixel, thereby splitting one organic light-emitting layer to form a plurality of sub-pixels. Breaking through the precision of fine metal masks, greatly improving the PPI and resolution of OLED products.
- a sub-pixel unit when a sub-pixel unit includes a plurality of anodes, the plurality of anodes are independent of each other, and orthogonal projections of different anodes on the organic light-emitting layer do not overlap each other.
- the anode when performing display, the anode can drive the corresponding organic light-emitting layer portion to emit light, and the corresponding organic light-emitting layer portion is the portion of the organic light-emitting layer covered by the orthographic projection of the anode on the organic light-emitting layer.
- the first color sub-pixel unit in each pixel unit group, includes a first color organic light emitting layer and a first anode that drives the first color organic light emitting layer to emit light;
- the second color The sub-pixel unit includes a second color organic light emitting layer and two second anodes that drive the second color organic light emitting layer to emit light, and the two second anodes are symmetrically distributed with respect to the first center line L1 of the pixel unit group.
- the third color sub-pixel unit includes a third color organic light emitting layer and two third anodes that drive the third color organic light emitting layer to emit light, the two third anodes being symmetric with respect to the first center line
- the distribution can increase the resolution of the display device to which the display substrate is applied to twice the original level, and the PPI can be greatly improved.
- the first color sub-pixel unit in each pixel unit group, includes a first color organic light emitting layer and a first anode that drives the first color organic light emitting layer to emit light;
- the color sub-pixel unit includes a second color organic light emitting layer and four second anodes that drive the second color organic light emitting layer to emit light, the four second anodes being symmetric with respect to the first center line L1 of the pixel unit group Distributed, and symmetrically distributed with respect to a second center line of the pixel unit group, the second center line L2 being perpendicular to the first center line L1;
- the third color sub-pixel unit including a third color organic light emitting layer And four third anodes driving the third color organic light emitting layer to emit light, the four third anodes are symmetrically distributed with respect to the first center line, and symmetrically distributed with respect to the second center line, so that the display substrate can be applied
- the resolution of the display device has been increased four times, and the PPI can be greatly improved.
- the first color sub-pixel unit in each pixel unit group, includes a first color organic light emitting layer and two first anodes that drive the first color organic light emitting layer to emit light, and the two The first anodes are symmetrically distributed with respect to a first center line of the pixel unit group;
- the second color sub-pixel unit includes a second color organic light emitting layer and four second anodes that drive the second color organic light emitting layer to emit light
- the four second anodes are symmetrically distributed with respect to a first center line of the pixel unit group, and are symmetrically distributed with respect to a second center line of the pixel unit group, the second center line and the first The center line is vertical;
- the third color sub-pixel unit includes a third color organic light emitting layer and four third anodes that drive the third color organic light emitting layer to emit light, and the four third anodes are opposite to the pixel unit
- the first center lines of the group are symmetrically distributed and symmetrically distributed with respect to the second center line of the
- the display substrate includes a plurality of pixel unit groups arranged in a row, and the pixel unit groups of the adjacent rows are arranged with a predetermined width offset, and the predetermined width is half of the width of the pixel unit group in the row direction.
- Each of the pixel unit groups is formed by a blue sub-pixel unit 1, a green sub-pixel unit 2, and a red sub-pixel unit 3, wherein the sub-pixels of the pixel unit group are in a regular hexagon, and the other two sub-pixels surround the center.
- the pixels form a regular hexagonal ring of word pixels. As shown by the dotted line in FIG.
- the display substrate includes a plurality of repeatedly arranged virtual hexagons, and the six vertices of each of the virtual hexagons respectively form geometric centers of three sub-pixel units arranged in a hexagonal ring shape.
- the sub-pixel arrangement of one pixel unit group is blue sub-pixel unit 1, green sub-pixel unit 2 and red sub-pixel unit 3 from inside to outside; the sub-pixel arrangement of another pixel unit group is from inside to outside They are a red sub-pixel unit 3, a blue sub-pixel unit 1, and a green sub-pixel unit 2, respectively.
- This can achieve a better color modulation effect and improve the display quality of the display device.
- the sub-pixel arrangement of the pixel units of two adjacent rows is not limited to the above arrangement, and a better color modulation effect can be achieved as long as the sub-pixels of the pixel units of two adjacent rows are arranged differently.
- sub-pixels having different areas can be designed and the arrangement positions of the sub-pixels can be adjusted.
- the blue organic light-emitting material has low luminous efficiency
- the blue sub-pixels can be arranged on the outer ring of the pixel unit group to improve the light-emitting area of the blue organic light-emitting material.
- the anode is fabricated by an etching process, and is not limited by the precision of the fine metal mask. Therefore, the size of the anode can be made small, and a plurality of anodes can be formed corresponding to the organic light-emitting layer that emits one color of light, so that each The anode and its corresponding organic light-emitting layer portion form a sub-pixel, thereby splitting an organic light-emitting layer to form a plurality of sub-pixels, breaking the precision of the fine metal mask, and greatly improving the PPI and resolution of the OLED product. .
- the pixel unit group includes a blue organic light-emitting layer and an anode 11 for driving the blue organic light-emitting layer to emit light, a green organic light-emitting layer, and two anodes 21 for driving the green organic light-emitting layer to emit light, and red organic The luminescent layer and the two anodes 31 that drive the red organic luminescent layer to emit light.
- the anode 11 and its corresponding blue organic light-emitting layer constitute a blue sub-pixel
- the anode 21 and its corresponding green organic light-emitting layer portion constitute a green sub-pixel
- the anode 31 and its corresponding red organic light-emitting layer portion constitute a red color. Subpixel.
- the pixel unit group includes a total of one blue sub-pixel, two red sub-pixels, and two green sub-pixels.
- the two red sub-pixels may constitute a discontinuous ring-shaped red sub-pixel unit
- the two green sub-pixels may constitute a discontinuous ring-shaped green sub-pixel unit.
- the pixel unit group is displayed as two sub-pixel unit groups, and the blue sub-pixel is shared by the two sub-pixel unit groups.
- the red sub-pixel, the green sub-pixel, and the blue sub-pixel on the left side constitute one sub-pixel unit group
- the red sub-pixel, the green sub-pixel, and the blue sub-pixel on the right side constitute another sub-pixel unit group. Since the pixel unit group can be used as two sub-pixel unit groups, the resolution of the display device can be improved, and the display effect of the display device can be improved.
- a display device with a resolution of 1280 ⁇ 1024 has a resolution of 300 PPI.
- the resolution is increased to 1280 ⁇ 2048, up to 442 PPI, and the display effect is obviously improved.
- the pixel unit group includes a blue organic light-emitting layer and two anodes 11 for driving the blue organic light-emitting layer to emit light, a green organic light-emitting layer, and four anodes for driving the green organic light-emitting layer to emit light.
- 21. A red organic light-emitting layer and four anodes 31 for driving the red organic light-emitting layer to emit light. It can be seen that the anode 11 and its corresponding blue organic light-emitting layer constitute a blue sub-pixel, the anode 21 and its corresponding green organic light-emitting layer portion constitute a green sub-pixel, and the anode 31 and its corresponding red organic light-emitting layer portion constitute a red color.
- the sub-pixels, the pixel unit group includes a total of two blue sub-pixels, four red sub-pixels, and four green sub-pixels.
- two blue sub-pixels may constitute discontinuous block-shaped blue sub-pixel units
- four red sub-pixels may constitute discontinuous ring-shaped red sub-pixel units
- four green sub-pixels may constitute discontinuous ring-shaped green sub-pixels Pixel unit.
- one pixel unit group is displayed as four sub-pixel unit groups, and each blue sub-pixel is shared by two sub-pixel unit groups.
- the red sub-pixel, the green sub-pixel and the upper blue sub-pixel of the upper left corner constitute a sub-pixel unit group; the red sub-pixel, the green sub-pixel and the upper blue sub-pixel of the upper right corner constitute another sub-pixel unit group
- the red sub-pixel, the green sub-pixel and the lower blue sub-pixel in the lower left corner constitute a sub-pixel unit group; the red sub-pixel, the green sub-pixel and the lower blue sub-pixel in the lower right corner constitute another sub-pixel unit Since the pixel unit group can be used as four sub-pixel unit groups, the resolution of the display device can be improved, and the display effect of the display device can be improved.
- a display device with a resolution of 1280 ⁇ 1024 has a resolution of 300 PPI.
- the resolution is improved to 2560 ⁇ 2048, up to 600 PPI, and the display effect is obviously improved.
- each sub-pixel in the pixel unit group is controlled by an independent driving thin film transistor.
- the gate of the driving thin film transistor is connected to the gate line 4, and the source is connected to the data line 5.
- the gate scan signal input from the gate line 4 is controlled by progressive scanning, and the data line 5 is input with data voltage.
- the sub-pixels of the same color in the pixel unit group may be controlled by the same gate line, and different sub-pixels in the pixel unit group are connected to different data lines.
- the display substrate includes a plurality of pixel unit groups arranged in a row.
- the pixel unit groups of adjacent rows are staggered by a predetermined width, and the predetermined width is half the width of the pixel unit group in the row direction.
- Each of the pixel unit groups is formed by a blue sub-pixel unit 1, a green sub-pixel unit 2, and a red sub-pixel unit 3, wherein the sub-pixel unit of the pixel unit group is circular, and the other two sub-pixel units are round. It is ring-shaped and arranged around the center sub-pixel unit.
- the pixel unit group includes a blue organic light-emitting layer and an anode 11 for driving the blue organic light-emitting layer to emit light, a green organic light-emitting layer, and two anodes 21 for driving the green organic light-emitting layer to emit light, and red organic The luminescent layer and the two anodes 31 that drive the red organic luminescent layer to emit light.
- the anode 11 and its corresponding blue organic light-emitting layer portion constitute a blue sub-pixel
- the anode 21 and its corresponding green organic light-emitting layer portion constitute a green sub-pixel
- the anode 31 and its corresponding red organic light-emitting layer portion are composed Red subpixel.
- the pixel unit group includes a total of one blue sub-pixel, two red sub-pixels, and two green sub-pixels.
- the two red sub-pixels may constitute a discontinuous ring-shaped red sub-pixel unit;
- the two green sub-pixels may constitute a discontinuous ring-shaped green sub-pixel unit.
- the pixel unit group is displayed as two sub-pixel unit groups, and the blue sub-pixel is shared by the two sub-pixel unit groups.
- the red sub-pixel, the green sub-pixel, and the blue sub-pixel on the left side constitute one sub-pixel unit group; the red sub-pixel, the green sub-pixel, and the blue sub-pixel on the right side constitute another sub-pixel unit group. Since the pixel unit group can be used as two sub-pixel unit groups, the resolution of the display device can be improved, and the display effect of the display device can be improved.
- a display device with a resolution of 1280 ⁇ 1024 has a resolution of 300 PPI.
- the resolution is increased to 1280 ⁇ 2048, up to 442 PPI, and the display effect is obviously improved.
- the pixel unit group includes a blue organic light-emitting layer and an anode 11 that drives the blue organic light-emitting layer to emit light, a green organic light-emitting layer, and four anodes 21 that drive the green organic light-emitting layer to emit light. a red organic light-emitting layer and four anodes 31 that drive the red organic light-emitting layer to emit light.
- the anode 11 and its corresponding blue organic light-emitting layer portion constitute a blue sub-pixel
- the anode 21 and its corresponding green organic light-emitting layer portion constitute a green sub-pixel
- the anode 31 and its corresponding red organic light-emitting layer portion are composed.
- the red sub-pixels, the pixel unit group includes a total of one blue sub-pixel, four red sub-pixels, and four green sub-pixels.
- the four red sub-pixels may constitute a discontinuous ring-shaped red sub-pixel unit
- the four green sub-pixels may constitute a discontinuous ring-shaped green sub-pixel unit.
- the pixel unit group is displayed as four sub-pixel unit groups, the blue sub-pixel is shared by four sub-pixel unit groups, and the red sub-pixel, the green sub-pixel, and the blue sub-pixel in the upper left corner constitute a sub-pixel unit group.
- the red sub-pixel, the green sub-pixel, and the blue sub-pixel in the upper right corner constitute another sub-pixel unit group; the red sub-pixel, the green sub-pixel, and the blue sub-pixel in the lower left corner constitute a sub-pixel unit group; the lower right corner is red.
- the sub-pixel, the green sub-pixel, and the blue sub-pixel constitute another sub-pixel unit group. Since the pixel unit group can be used as four sub-pixel unit groups, the resolution of the display device can be improved, and the display effect of the display device can be improved.
- a display device with a resolution of 1280 ⁇ 1024 has a resolution of 300 PPI.
- the resolution is improved to 2560 ⁇ 2048, up to 600 PPI, and the display effect is obviously improved.
- each pixel unit group includes sub-pixel units of three colors, each of which includes sub-pixels of three colors, embodiments of the present disclosure are not limited thereto.
- each pixel unit group may include only two color sub-pixel units, and each sub-pixel unit group may include only three color sub-pixels.
- each pixel unit group may include sub-pixel units of four colors, and each sub-pixel unit group may include sub-pixels of four colors.
- Embodiments of the present disclosure also provide a display device including the display substrate as described above.
- the display device may be any product or component having a display function, such as a television, a display, a digital photo frame, a mobile phone, a tablet computer, etc., wherein the display device further includes a flexible circuit board, a printed circuit board, and a backboard.
- An embodiment of the present disclosure further provides a display method applied to the display device as described above, the display method comprising:
- the sub-pixels of different colors in the nearest pixel unit group are displayed as one sub-pixel unit group.
- Embodiments of the present disclosure also provide a mask for fabricating a display substrate as described above, the mask comprising a plurality of mask patterns arranged in a row, each mask pattern including a first color for vapor deposition a first opening portion of the organic light emitting layer of the sub-pixel group, and a second opening portion for vapor-depositing the organic light-emitting layer of the second color sub-pixel group, and an organic light-emitting layer for vapor-depositing the third color sub-pixel group The third opening portion.
- Fig. 8 shows a mask pattern in which reference numerals K1, K2 and K3 denote a first opening portion, a second opening portion and a third opening portion, respectively.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Geometry (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims (19)
- 一种显示基板,包括:成行排列的多个像素单元组,每一所述像素单元组包括:第一颜色子像素单元和包围所述第一颜色子像素单元的环状的第二颜色子像素单元。
- 根据权利要求1所述的显示基板,其中,每一所述像素单元组还包括:包围所述第二颜色子像素单元的环状的第三颜色子像素单元。
- 根据权利要求1所述的显示基板,其中,在所述显示基板的平面图中,所述第一颜色子像素单元具块状形状。
- 根据权利要求2所述的显示基板,其中,所述第一颜色子像素单元呈六边形,所述第二颜色子像素单元呈六边形环状,所述第三颜色子像素单元呈六边形环状;或所述第一颜色子像素单元呈圆形,所述第二颜色子像素单元呈圆环状,所述第三颜色子像素单元呈圆环状;或所述第一颜色子像素单元呈菱形,所述第二颜色子像素单元呈菱形环状,所述第三颜色子像素单元呈菱形环状;或所述第一颜色子像素单元呈方形,所述第二颜色子像素单元呈方形环状,所述第三颜色子像素单元呈方形环状。
- 根据权利要求2或4所述的显示基板,其中,第一颜色子像素、第二颜色子像素、第三颜色子像素选自红色子像素、蓝色子像素和绿色子像素。
- 根据权利要求5所述的显示基板,其中,所述多个像素单元组包括位于奇数行的第一像素单元组和位于偶数行的第二像素单元组,在从所述像素单元组内到所述像素单元组外的方向上,所述第一像素单元组和所述第二像素单元组的子像素单元的颜色排布方式不同。
- 根据权利要求6所述的显示基板,其中,所述第一像素单元组中,由内而外分别为蓝色子像素单元、绿色子像素单元、红色子像素单元;所述第二像素单元组中,由内而外分别为红色子像素单元、蓝色子像素单元、绿色子像素单元。
- 根据权利要求1至7中任一项所述的显示基板,其中,相邻行的所述像素单元组错开既定宽度排列,所述既定宽度等于所述像素单元组在行方向 上的宽度的一半。
- 根据权利要求1或3所述的显示基板,其中,每一子像素单元包括有机发光层和驱动所述有机发光层发光的至少一个阳极。
- 根据权利要求9所述的显示基板,其中,至少一个所述子像素单元包括多个相互独立的阳极,所述多个阳极在所述有机发光层上的正投影互不重叠。
- 根据权利要求1所述的显示基板,其中,至少一个所述像素单元组中,所述第一颜色子像素单元包括第一有机发光层和驱动所述第一有机发光层发光的一个第一阳极;所述第二颜色子像素单元包括第二有机发光层和驱动所述第二有机发光层发光的两个第二阳极,所述两个第二阳极相对于所述像素单元组的第一中心线对称分布。
- 根据权利要求1所述的显示基板,其中,所述至少一个所述像素单元组还包括:包围所述第二颜色子像素单元的环状的第三颜色子像素单元,所述第三颜色子像素单元包括第三有机发光层和驱动所述第三有机发光层发光的两个第三阳极,所述两个第三阳极相对于所述第一中心线对称分布。
- 根据权利要求1所述的显示基板,其中,至少一个所述像素单元组中,所述第一颜色子像素单元包括第一有机发光层和驱动所述第一有机发光层发光的一个第一阳极;所述第二颜色子像素单元包括第二有机发光层和驱动所述第二有机发光层发光的四个第二阳极,所述四个第二阳极相对于所述像素单元组的第一中心线对称分布,且相对于所述像素单元组的第二中心线对称分布,所述第二中心线与所述第一中心线垂直。
- 根据权利要求13所述的显示基板,其中,所述至少一个所述像素单元组还包括:包围所述第二颜色子像素单元的环状的第三颜色子像素单元,所述第三颜色子像素单元包括第三有机发光层和驱动所述第三有机发光层发光的四个第三阳极,所述四个第三阳极相对于所述第一中心线对称分布,且相对于所述第二中心线对称分布。
- 根据权利要求1所述的显示基板,其中,至少一个所述像素单元组中,所述第一颜色子像素单元包括第一有机发光层和驱动所述第一颜色有机发光层发光的两个第一阳极,所述两个第一阳极相对所述像素单元组的第一中心线对称分布;所述第二颜色子像素单元包括第二有机发光层和驱动所述第二有机发光层发光的四个第二阳极,所述四个第二阳极相对于所述像素单元组的第一中心线对称分布,且相对于所述像素单元组的第二中心线对称分布,所述第二中心线与所述第一中心线垂直。
- 根据权利要求15所述的显示基板,其中,所述至少一个所述像素单元组还包括:包围所述第二颜色子像素单元的环状的第三颜色子像素单元,所述第三颜色子像素单元包括第三有机发光层和驱动所述第三有机发光层发光的四个第三阳极,所述四个第三阳极相对于所述第一中心线对称分布,且相对于所述第二中心线对称分布。
- 一种显示装置,包括如权利要求1至16中任一项所述的显示基板。
- 一种显示装置的显示方法,所述显示装置包括权利要求11至16中任一项所述的显示基板,所述显示方法包括:将所述至少一个所述像素单元组中距离最近的第一阳极和第二阳极作为一个子像素单元组进行显示;或者,将所述至少一个所述像素单元组中距离最近的第一阳极、第二阳极和第三阳极作为一个子像素单元组进行显示。
- 一种掩模板,用于制作如权利要求1至16中任一项所述的显示基板,所述掩模板包括成行排列的多个掩模图形,每一所述掩模图形包括用于蒸镀所述第一颜色子像素单元的有机发光层的第一开口部、和用于蒸镀所述第二颜色子像素单元的有机发光层的第二开口部、和用于蒸镀所述第三颜色子像素单元的有机发光层的第三开口部。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/300,642 US11121185B2 (en) | 2017-07-25 | 2018-02-05 | Display substrate including pixel unit groups, display device and display method thereof, and mask plate |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710612242.XA CN107452778B (zh) | 2017-07-25 | 2017-07-25 | 显示基板、显示装置及其显示方法、掩模板 |
CN201710612242.X | 2017-07-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019019604A1 true WO2019019604A1 (zh) | 2019-01-31 |
Family
ID=60488235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2018/075264 WO2019019604A1 (zh) | 2017-07-25 | 2018-02-05 | 显示基板、显示装置及其显示方法、掩模板 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11121185B2 (zh) |
CN (1) | CN107452778B (zh) |
WO (1) | WO2019019604A1 (zh) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107452778B (zh) * | 2017-07-25 | 2020-06-02 | 京东方科技集团股份有限公司 | 显示基板、显示装置及其显示方法、掩模板 |
CN109166885B (zh) * | 2018-08-17 | 2021-01-26 | 京东方科技集团股份有限公司 | 像素单元、显示基板及显示基板制作方法 |
CN109585505B (zh) * | 2018-11-20 | 2021-03-30 | 京东方科技集团股份有限公司 | 发光器件显示基板及其制造方法和显示装置 |
CN112313802B (zh) * | 2018-12-28 | 2024-06-21 | 京东方科技集团股份有限公司 | 显示基板、精细金属掩模板组以及制作方法 |
CN109817685B (zh) * | 2019-02-01 | 2021-05-07 | 武汉华星光电半导体显示技术有限公司 | Oled像素结构及显示装置 |
KR20200106589A (ko) * | 2019-03-04 | 2020-09-15 | 삼성디스플레이 주식회사 | 표시 장치, 표시 장치의 제조장치 및 표시 장치의 제조방법 |
CN111180482A (zh) * | 2019-03-22 | 2020-05-19 | 广东聚华印刷显示技术有限公司 | 像素结构、显示基板及显示器件 |
CN110120406A (zh) * | 2019-04-22 | 2019-08-13 | 武汉华星光电半导体显示技术有限公司 | 一种发光器件及其制作方法、和显示面板 |
US20220238609A1 (en) * | 2019-05-29 | 2022-07-28 | Jitri Institute Of Organic Optoelectronics Co., Ltd. | Pixel structure, display panel, and display device |
CN110277436A (zh) * | 2019-06-28 | 2019-09-24 | 云谷(固安)科技有限公司 | 像素排列结构及显示面板 |
CN110323260B (zh) * | 2019-06-28 | 2022-04-15 | 云谷(固安)科技有限公司 | 像素排列结构、像素驱动方法及显示面板 |
US11557635B2 (en) | 2019-12-10 | 2023-01-17 | Samsung Display Co., Ltd. | Display device, mask assembly, and apparatus for manufacturing the display device |
CN111028788B (zh) * | 2019-12-19 | 2021-08-24 | 武汉华星光电半导体显示技术有限公司 | 像素结构及显示装置 |
CN111261678B (zh) * | 2020-01-13 | 2023-07-25 | 昆山云英谷电子科技有限公司 | 显示器子像素排布及其渲染方法 |
CN111554723B (zh) * | 2020-05-18 | 2023-05-26 | 京东方科技集团股份有限公司 | 像素结构和显示面板 |
CN111584607A (zh) * | 2020-06-05 | 2020-08-25 | 昀光微电子(上海)有限公司 | 一种子像素结构、像素排布结构和硅基微显示器 |
CN112366224B (zh) * | 2020-11-24 | 2023-03-24 | 武汉天马微电子有限公司 | 显示面板和显示装置 |
CN115428162A (zh) * | 2021-03-16 | 2022-12-02 | 京东方科技集团股份有限公司 | 显示面板及其制作方法以及显示装置 |
CN113078201B (zh) * | 2021-03-29 | 2023-09-29 | 京东方科技集团股份有限公司 | 显示面板及显示装置 |
CN113178461A (zh) * | 2021-04-07 | 2021-07-27 | 武汉华星光电半导体显示技术有限公司 | 像素结构及掩膜板 |
CN113990900B (zh) * | 2021-10-12 | 2023-05-30 | 武汉华星光电半导体显示技术有限公司 | 显示面板和移动终端 |
CN117042529A (zh) * | 2022-04-29 | 2023-11-10 | 京东方科技集团股份有限公司 | 显示基板以及显示装置 |
CN118073395B (zh) * | 2024-04-19 | 2024-08-09 | 镭昱光电科技(苏州)有限公司 | 显示器件及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103167252A (zh) * | 2011-12-14 | 2013-06-19 | 索尼公司 | 固体图像传感器和电子设备 |
CN104134683A (zh) * | 2014-05-20 | 2014-11-05 | 友达光电股份有限公司 | 透明显示面板 |
CN104409474A (zh) * | 2014-11-26 | 2015-03-11 | 昆山国显光电有限公司 | 像素单元、像素结构及其制作方法 |
CN106816449A (zh) * | 2015-12-01 | 2017-06-09 | 昆山国显光电有限公司 | Oled显示屏及其像素结构、oled显示屏的制作方法 |
CN107452778A (zh) * | 2017-07-25 | 2017-12-08 | 京东方科技集团股份有限公司 | 显示基板、显示装置及其显示方法、掩模板 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103972268B (zh) * | 2014-04-22 | 2017-01-04 | 京东方科技集团股份有限公司 | 有机发光二极管显示面板及其制作方法 |
CN105720074B (zh) * | 2014-12-03 | 2018-12-04 | 上海和辉光电有限公司 | 像素结构、金属掩模板及oled显示屏 |
KR20200102025A (ko) * | 2019-02-20 | 2020-08-31 | 삼성디스플레이 주식회사 | 표시 장치 |
-
2017
- 2017-07-25 CN CN201710612242.XA patent/CN107452778B/zh active Active
-
2018
- 2018-02-05 WO PCT/CN2018/075264 patent/WO2019019604A1/zh active Application Filing
- 2018-02-05 US US16/300,642 patent/US11121185B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103167252A (zh) * | 2011-12-14 | 2013-06-19 | 索尼公司 | 固体图像传感器和电子设备 |
CN104134683A (zh) * | 2014-05-20 | 2014-11-05 | 友达光电股份有限公司 | 透明显示面板 |
CN104409474A (zh) * | 2014-11-26 | 2015-03-11 | 昆山国显光电有限公司 | 像素单元、像素结构及其制作方法 |
CN106816449A (zh) * | 2015-12-01 | 2017-06-09 | 昆山国显光电有限公司 | Oled显示屏及其像素结构、oled显示屏的制作方法 |
CN107452778A (zh) * | 2017-07-25 | 2017-12-08 | 京东方科技集团股份有限公司 | 显示基板、显示装置及其显示方法、掩模板 |
Also Published As
Publication number | Publication date |
---|---|
CN107452778B (zh) | 2020-06-02 |
US11121185B2 (en) | 2021-09-14 |
CN107452778A (zh) | 2017-12-08 |
US20200321407A1 (en) | 2020-10-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2019019604A1 (zh) | 显示基板、显示装置及其显示方法、掩模板 | |
US11380236B2 (en) | Sub-pixel arrangement structure, mask device, and display device | |
KR101878087B1 (ko) | 픽셀 구조체 및 그 디스플레이 방법, 및 관련된 디스플레이 장치 | |
JP6657127B2 (ja) | 画素構造、その表示方法、及び表示装置 | |
US10680041B2 (en) | Pixel arrangement structure and related apparatus | |
US10937352B2 (en) | Pixel structure, method of manufacturing the same, display panel and display device | |
WO2018161809A1 (zh) | Oled阵列基板及其制造方法和显示装置 | |
JP2021513664A (ja) | 画素配列構造、表示基板、表示装置及びマスクプレート群 | |
JP2021513670A (ja) | ピクセル配列構造、表示基板及び表示装置 | |
US10810925B2 (en) | Pixel unit, display substrate and method for manufacturing display substrate | |
WO2017059681A1 (en) | Pixel structure, fabrication method thereof, display panel, and display apparatus | |
WO2020143213A1 (zh) | 像素结构、显示基板和显示装置 | |
US20200185463A1 (en) | Pixel display module and mask for manufacturing the pixel display module | |
JP2016018782A (ja) | 有機発光素子及び画素配列 | |
KR20150106622A (ko) | 유기 발광 표시 장치 | |
WO2020215401A1 (zh) | 一种发光器件及其制作方法、和显示面板 | |
KR20160048744A (ko) | 유기 발광 표시 장치의 화소 배열 구조 | |
KR20180111733A (ko) | 유기 발광 표시 장치의 화소 배열 구조 | |
CN112074895B (zh) | 像素排列结构、显示基板及显示装置 | |
CN207303102U (zh) | 像素排列结构及显示装置 | |
WO2020238465A1 (zh) | 一种像素结构、显示面板及显示装置 | |
KR101109840B1 (ko) | 유기 el 표시 장치 |
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: 18837410 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: 18837410 Country of ref document: EP Kind code of ref document: A1 |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 28/05/2020) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 18837410 Country of ref document: EP Kind code of ref document: A1 |