CN111540731B - Luminous display screen with light source transition area - Google Patents
Luminous display screen with light source transition area Download PDFInfo
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- CN111540731B CN111540731B CN202010380784.0A CN202010380784A CN111540731B CN 111540731 B CN111540731 B CN 111540731B CN 202010380784 A CN202010380784 A CN 202010380784A CN 111540731 B CN111540731 B CN 111540731B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
Abstract
The invention discloses a light-emitting display screen with a light source transition area, which comprises a substrate and a light-emitting device, wherein the substrate is provided with a light source transition area; the substrate is internally provided with a plurality of grooves which are distributed in a staggered manner, the grooves are internally provided with light-emitting devices, each light-emitting device comprises a first electrode plate and a second electrode plate, the first electrode plates and the second electrode plates are oppositely arranged, the first electrode plates and the second electrode plates are electrified to generate electric fields, and charged ions form potential difference on the inner sides of the light-emitting devices; the utility model discloses a luminous module, including base plate edge, photoluminescence strip, first photoluminescence layer, second photoluminescence layer, blast layer and filter layer, the base plate edge is provided with the photoluminescence strip, the photoluminescence strip forms the light source transition district at the base plate border, in the transition district the photoluminescence strip is multiple layer construction, the photoluminescence strip has set gradually first photoluminescence layer, second photoluminescence layer, blast layer and filter layer, the base plate inboard is provided with a plurality of photoluminescence strip, the light source of different parameter information can be launched to the photoluminescence strip.
Description
Technical Field
The invention relates to the field of photoluminescence or display or advertisement putting, in particular to a luminous display screen with a light source transition area.
Background
Each of the sub-pixels constituting the electroluminescent display panel includes therein an electroluminescent diode composed of a light-emitting layer between an anode and a cathode, and a pixel circuit for independently driving the electroluminescent diode. The pixel circuit mainly includes a switching TFT (Thin Film Transistor), a capacitor, and a driving TFT. The switching TFT charges a voltage corresponding to the data signal to the capacitor in response to the scan pulse, and the driving TFT controls a current supplied to the electroluminescent diode according to the voltage charged to the capacitor, thereby adjusting the brightness of the electroluminescent diode, wherein the brightness of the electroluminescent diode is proportional to the current supplied by the driving TFT, and the display is an I/O device belonging to a computer, i.e., an input/output device. It can be classified into CRT, LCD, etc. It is a display tool that displays certain electronic documents on a screen through a specific transmission device and reflects them to human eyes, and the display is also commonly called a monitor. The display is an I/O device belonging to a computer, namely an input/output device. It can be classified into CRT, LCD, PDP, OLED, etc. The electronic document display tool is a display tool which displays a certain electronic document on a screen through a specific transmission device and reflects the electronic document to human eyes.
Traditional display shows through circular telegram luminescence principle, does not make the display screen show through photoluminescence principle, and traditional whole display effect of display screen is the same, and the display screen does not have the light source transition district all around, can't pass through the light source transition district with screen display information transition gradually to display screen central point and put, and visual experience is relatively poor.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a luminous display screen with a light source transition area.
In order to achieve the purpose, the invention adopts the technical scheme that: a light-emitting display screen having a light source transition region, comprising: a substrate and a light emitting device;
the cell bodies are distributed in a staggered manner, the light-emitting devices are arranged in the cell bodies and comprise first electrode plates and second electrode plates, the first electrode plates and the second electrode plates are oppositely arranged, the first electrode plates and the second electrode plates are electrified to generate electric fields, and charged ions form potential difference on the inner sides of the light-emitting devices;
the utility model discloses a luminous module, including base plate edge, photoluminescence strip, first photoluminescence layer, second photoluminescence layer, blast layer and filter layer, the base plate edge is provided with the photoluminescence strip, the photoluminescence strip forms the light source transition district at the base plate border, in the transition district the photoluminescence strip is multiple layer construction, the photoluminescence strip has set gradually first photoluminescence layer, second photoluminescence layer, blast layer and filter layer, the base plate inboard is provided with a plurality of photoluminescence strip, the light source of different parameter information can be launched to the photoluminescence strip.
In a preferred embodiment of the present invention, the brightness in the light source transition region decreases in sequence along the edge of the substrate towards the inner side.
In a preferred embodiment of the present invention, the color of the light source transition region can be one or more of black, gray and blue.
In a preferred embodiment of the present invention, the first photoluminescent layer and the second photoluminescent layer can pass through a light source with a specific wavelength; the first photoluminescence layer and the second photoluminescence layer are both excited by a light source receiving preset wavelength to display.
In a preferred embodiment of the present invention, the first photoluminescent layer and the second photoluminescent layer are arranged in order from a low wavelength to a high wavelength.
In a preferred embodiment of the invention, the brightness enhancing layer has a two-dimensional photonic crystal structure, and is capable of passing light sources of a particular wavelength.
In a preferred embodiment of the present invention, the light source parameter information includes one or a combination of two or more of light source brightness, wavelength, light time and light frequency.
In a preferred embodiment of the present invention, the photoluminescence strips can be sequentially lighted or twinkling according to a predetermined track.
In a preferred embodiment of the present invention, the plurality of slots are staggered to form a grid area or a circular area; or a plurality of grooves are in a divergent structure along the center point of the substrate.
In a preferred embodiment of the present invention, the first electrode plate is an anode plate, the second electrode plate is a cathode plate, and the anode plate is provided with a hole transport layer, which can be a concave curved structure or a convex curved structure.
The first electrode plate is an anode plate, the second electrode plate is a cathode plate, a hole conveying layer is arranged on the anode plate, and the hole conveying layer can be of a concave curved structure or a convex curved structure.
In a second aspect the invention provides an advertising display comprising a light-emitting display panel according to any preceding claim having a light source transition region, the light-emitting display panel being mounted to one side of the advertising display.
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) form the light source transition district through the photoluminescence strip that sets up in display screen edge, make the light source of display screen edge darker through the light source transition district, because of the utilization ratio of the edge of display screen is lower, when watching, can improve viewer's visual experience, can not cause the illumination glaring of display screen edge, improve the viewing effect.
(2) The groove bodies are arranged in the base plate in a staggered mode, the light-emitting devices are arranged in the groove bodies, the thickness and the occupied space of the display screen are reduced, and the light sources in all areas of the display screen can be uniformly displayed in the staggered mode.
(3) The photoluminescence strip can light up according to predetermined orbit in proper order, also can twinkle or often light according to predetermined orbit or shape, and through this kind of mode, the dynamic display of predetermined orbit can be realized to the luminous display screen, or shows the figure of different colour, different luminance, can be used for the warning effect.
Drawings
The invention is further explained below with reference to the figures and examples;
FIG. 1 is a schematic diagram of the front structure of a display screen in accordance with a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the back structure of the display screen of the preferred embodiment of the present invention;
FIG. 3 is a schematic view of the channel distribution of the preferred embodiment of the present invention;
in the figure: 1. the display device comprises a substrate, 2, a photoluminescence strip, 3, a heat dissipation groove, 4, a display area, 5, a cover plate, 6, a light source part, 7, a groove body, 8 and an electroluminescent device.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.
As shown in fig. 1-3, a light-emitting display screen having a light source transition region, comprising: a substrate 1 and a light emitting device;
specifically, a plurality of grooves 7 are arranged in the substrate 1, the grooves 7 are distributed in a staggered manner, the grooves 7 are internally provided with light-emitting devices, each light-emitting device comprises a first electrode plate and a second electrode plate, the first electrode plate and the second electrode plate are arranged oppositely, the first electrode plate and the second electrode plate are electrified to generate an electric field, and charged ions form a potential difference at the inner side of each light-emitting device;
1 edge of base plate is provided with photoluminescence strip 2, and photoluminescence strip 2 forms the light source transition district at 1 border of base plate, and photoluminescence strip 2 in the transition district is the multilayer structure, and photoluminescence strip 2 has set gradually first photoluminescence layer, second photoluminescence layer, blast layer and filter layer, and 1 inboard of base plate is provided with a plurality of photoluminescence strip 2, and photoluminescence strip 2 can launch the light source of different parameter information.
It should be noted that, a cover plate 5 is arranged on one side of the display screen, heat dissipation grooves 3 are arranged around the cover plate 5 to quickly dissipate the heat inside the display screen, grooves 7 are arranged on the inner side of the base plate 1 in a staggered manner, the light-emitting devices are arranged in the grooves 7, the same light-emitting devices can be arranged in different grooves 7, the light-emitting devices and the light source devices 6 can be arranged in different grooves 7 at intervals, the light-emitting devices can also be arranged in the transverse grooves 7, the light source devices are arranged in the longitudinal grooves 7, the specific arrangement mode can be adjusted to reduce the thickness and the occupied space of the display screen, the light source display in each area of the display screen can be uniform in the staggered arrangement mode, a light source transition area is formed by the photoluminescence strips 2 arranged at the edge of the display screen, and the inner side of the light source transition area is enclosed to form a display area 4, display area 4 is located the display screen intermediate position, and it is darker to make the light source of display screen edge through light source transition district, and because of the utilization ratio of the edge of display screen is lower, when watching, can improve viewer's visual experience, can not cause the illumination dazzling of display screen edge, improves the viewing effect.
According to the embodiment of the invention, the brightness in the light source transition region is gradually decreased along the edge of the substrate 1 towards the inner side. It should be noted that the brightness of the edge area of the display screen is greater than the brightness of the inner side, so that the transition area is gradually decreased and is excessively formed and gradually connected with the display image in the display screen, and the situation of displaying suddenly does not occur.
According to the embodiment of the invention, the color of the light source transition region can be one or more than two of black, gray and blue composite lights.
It should be noted that, the transition area at the edge of the display screen can be made to present a dark environment by the composite light of black, gray, blue or three colors, and the dark environment can be compared with the center of the display screen, so that the display content of the display screen is more significant, and in addition, when a viewer watches the display screen, the eye watching area is not caused to be large, and eyestrain is caused.
According to the embodiment of the invention, the first photoluminescent layer and the second photoluminescent layer can pass through a light source with a specific wavelength; the first photoluminescence layer and the second photoluminescence layer are both excited by a light source receiving preset wavelength to display.
It should be noted that the first photoluminescent layer can receive the light source excited by any wavelength in the wavelengths 360-.
According to the embodiment of the invention, the first photoluminescent layer and the second photoluminescent layer are arranged in the order from a low wavelength to a high wavelength.
In accordance with embodiments of the present invention, the brightness enhancing layer has a two-dimensional photonic crystal structure, which is capable of passing light sources of a particular wavelength.
It should be noted that the photonic crystal structure is a microstructure formed by periodically arranging media with different refractive indexes, and the brightness enhancing layer can be a two-dimensional photonic crystal structure, but is not limited to this structure, and those skilled in the art can adjust the structure according to actual use conditions, for example, adjust the structure to be a one-dimensional photonic crystal structure or a three-dimensional photonic crystal structure, and the photonic crystal structure can generate a band effect on a light wave with a certain frequency.
According to the embodiment of the invention, the light source parameter information comprises one or more of light source brightness, wavelength, light time and light frequency.
It should be noted that the light is an electromagnetic radiation in a certain wavelength range, the electromagnetic radiation with a wavelength of 380nm to 780nm can cause human vision, that is, visible spectrum, the wavelength range of the light source in this application is set to 380nm to 780nm, preferably 380nm to 480nm, 620nm to 780nm, and 550nm, the light source brightness time includes the normal brightness time, and the normal brightness time of different photoluminescence strips 2 can be the same or different.
According to an embodiment of the present invention, the photoluminescent strips 2 can be sequentially lit or flashed according to a predetermined trajectory.
It should be noted that the photoluminescent strips 2 can be sequentially lighted up according to a predetermined track, and can also be flashed or normally lighted according to a predetermined track or shape, and in this way, the backlight module can realize dynamic display of a predetermined track, or display different colors and different brightness graphs, and can be used for warning, the predetermined track can be a graph, such as a square, a circular or a polygonal structure or an irregular graph, and the predetermined track can also be a curved path or a linear path or an unclosed curve or a straight line with other shapes.
According to the embodiment of the invention, a plurality of grooves 7 are staggered to form a grid area or a circular area; or a plurality of grooves 7 are in a divergent structure along the central point of the substrate 1.
It should be noted that the slots 7 are distributed in a divergent manner, so that the staggered areas of the slots 7 form a fan-shaped structure, each staggered area is uniform, and in the electroluminescent process, the light in the light source overlapping area emitted by the electroluminescent devices 8 in the two slots 7 is uniformly distributed.
According to the embodiment of the invention, the first electrode plate is an anode plate, the second electrode plate is a cathode plate, and the anode plate is provided with a hole conveying layer which can be in a concave curved or convex curved structure.
It should be noted that electroluminescence, i.e. electroluminescence, the electroluminescence device 8 includes a positive electrode plate and a negative electrode plate, an electric field is generated by voltage applied to the two electrode plates, electrons excited by the electric field hit a luminescence center, the electrons jump, change and recombine between energy levels to emit light, a luminescent material is disposed on one side of the electroluminescence device 8, the luminescent material includes zinc sulfide doped with copper and silver, and insulating layers are disposed on the outer sides of the electrode plates to prevent the outer sides of the electrode plates from discharging and electric shock.
A second aspect of the present invention provides an advertising display device, comprising a light-emitting display panel with a light source transition region according to any one of the preceding claims, the light-emitting display panel being mounted on one side of the advertising device, and specifically comprising: a substrate 1 and a light emitting device;
a plurality of grooves 7 are arranged in the substrate 1, the grooves 7 are distributed in a staggered manner, light-emitting devices are arranged in the grooves 7, each light-emitting device comprises a first electrode plate and a second electrode plate, the first electrode plates and the second electrode plates are arranged oppositely, the first electrode plates and the second electrode plates are electrified to generate electric fields, and charged ions form potential differences on the inner sides of the light-emitting devices;
1 edge of base plate is provided with photoluminescence strip 2, and photoluminescence strip 2 forms the light source transition district at 1 border of base plate, and photoluminescence strip 2 in the transition district is the multilayer structure, and photoluminescence strip 2 has set gradually first photoluminescence layer, second photoluminescence layer, blast layer and filter layer, and 1 inboard of base plate is provided with a plurality of photoluminescence strip 2, and photoluminescence strip 2 can launch the light source of different parameter information.
It should be noted that, crisscross cell body 7 that is provided with in the base plate 1, set up luminescent device in cell body 7, reduce the thickness and the occupation space of display screen, the mode of crisscross setting can make the light source in each region of display screen show more evenly, form the light source transition zone through the photoluminescence strip 2 that sets up in display screen edge, it is darker to make the light source of display screen edge through the light source transition zone, the utilization ratio because of the edge of display screen is lower, when watching, can improve viewer's visual experience, can not cause the illumination dazzling of display screen edge, improve the viewing effect.
In accordance with embodiments of the present invention, the brightness enhancing layer has a two-dimensional photonic crystal structure, which is capable of passing light sources of a particular wavelength.
It should be noted that the photonic crystal structure is a microstructure formed by periodically arranging media with different refractive indexes, and the brightness enhancing layer can be a two-dimensional photonic crystal structure, but is not limited to this structure, and those skilled in the art can adjust the structure according to actual use conditions, for example, adjust the structure to be a one-dimensional photonic crystal structure or a three-dimensional photonic crystal structure, and the photonic crystal structure can generate a band effect on a light wave with a certain frequency.
According to the embodiment of the invention, the color of the light source transition region can be one or more than two of black, gray and blue composite lights.
It should be noted that, the transition area at the edge of the display screen can be made to present a dark environment by the composite light of black, gray, blue or three colors, and the dark environment can be compared with the center of the display screen, so that the display content of the display screen is more significant, and in addition, when a viewer watches the display screen, the eye watching area is not caused to be larger, and eyestrain is caused.
According to the embodiment of the invention, a plurality of grooves 7 are staggered to form a grid area or a circular area; or a plurality of grooves 7 are in a divergent structure along the central point of the substrate 1.
It should be noted that the slots 7 are distributed in a divergent manner, so that the staggered areas of the slots 7 form a fan-shaped structure, each staggered area is uniform, and in the electroluminescent process, the light in the light source overlapping area emitted by the electroluminescent devices 8 in the two slots 7 is uniformly distributed.
According to the embodiment of the invention, the first electrode plate is an anode plate, the second electrode plate is a cathode plate, and the anode plate is provided with a hole conveying layer which can be in a concave curved or convex curved structure.
It should be noted that electroluminescence, i.e. electroluminescence, the electroluminescence device 8 includes a positive electrode plate and a negative electrode plate, an electric field is generated by voltage applied to the two electrode plates, electrons excited by the electric field hit a luminescence center, the electrons jump, change and recombine between energy levels to emit light, a luminescent material is disposed on one side of the electroluminescence device 8, the luminescent material includes zinc sulfide doped with copper and silver, and insulating layers are disposed on the outer sides of the electrode plates to prevent the outer sides of the electrode plates from discharging and electric shock.
According to the embodiment of the invention, the brightness in the light source transition region is gradually decreased along the edge of the substrate 1 towards the inner side. It should be noted that the brightness of the edge area of the display screen is greater than the brightness of the inner side, so that the transition area is gradually decreased and is excessively formed and gradually connected with the display image in the display screen, and the situation of displaying suddenly does not occur.
According to an embodiment of the present invention, the photoluminescent strips 2 can be sequentially lit or flashed according to a predetermined trajectory.
It should be noted that the photoluminescent strips 2 can be sequentially lighted up according to a predetermined track, and can also be flashed or normally lighted according to a predetermined track or shape, and in this way, the backlight module can realize dynamic display of a predetermined track, or display different colors and different brightness graphs, and can be used for warning, the predetermined track can be a graph, such as a square, a circular or a polygonal structure or an irregular graph, and the predetermined track can also be a curved path or a linear path or an unclosed curve or a straight line with other shapes.
According to the embodiment of the invention, the first photoluminescent layer and the second photoluminescent layer are arranged in the order from a low wavelength to a high wavelength.
According to the embodiment of the invention, the first photoluminescent layer and the second photoluminescent layer can pass through a light source with a specific wavelength; the first photoluminescence layer and the second photoluminescence layer are both excited by a light source receiving preset wavelength to display.
It should be noted that the first photoluminescent layer can receive the light source excited by any wavelength in the wavelengths 360-.
According to the embodiment of the invention, the light source parameter information comprises one or more of light source brightness, wavelength, light time and light frequency.
It should be noted that the light is an electromagnetic radiation in a certain wavelength range, the electromagnetic radiation with a wavelength of 380nm to 780nm can cause human vision, that is, visible spectrum, the wavelength range of the light source in this application is set to 380nm to 780nm, preferably 380nm to 500nm, 600nm to 780nm, and 580nm, the light source brightness time includes the normal brightness time, and the normal brightness time of different photoluminescence strips 2 can be the same or different.
Form the light source transition district through the photoluminescence strip 2 that sets up in display screen edge, make the light source of display screen edge darker through the light source transition district, because of the utilization ratio of the edge of display screen is lower, when watching, can improve viewer's visual experience, can not cause the illumination glaring of display screen edge, improve the viewing effect.
The base plate 1 is internally provided with the groove bodies 7 in a staggered mode, the light-emitting devices are arranged in the groove bodies 7, the thickness and the occupied space of the display screen are reduced, and the light sources in all areas of the display screen can be uniformly displayed in the staggered mode.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. A light-emitting display screen having a light source transition region, comprising: a substrate and a light emitting device; it is characterized in that the preparation method is characterized in that,
the cell bodies are distributed in a staggered manner, the light-emitting devices are arranged in the cell bodies and comprise first electrode plates and second electrode plates, the first electrode plates and the second electrode plates are oppositely arranged, the first electrode plates and the second electrode plates are electrified to generate electric fields, and charged ions form potential difference on the inner sides of the light-emitting devices;
the edge of the substrate is provided with a photoluminescence strip, the photoluminescence strip forms a light source transition region at the edge of the substrate, the photoluminescence strip in the transition region is of a multi-layer structure, the photoluminescence strip is sequentially provided with a first photoluminescence layer, a second photoluminescence layer, a brightening layer and a filter layer, the inner side of the substrate is provided with a plurality of photoluminescence strips, and the photoluminescence strips can emit light sources with different parameter information;
a plurality of grooves are staggered to form a grid area or a circular area; or a plurality of grooves are in a divergent structure along the center point of the substrate.
2. A light-emitting display screen having a light source transition region according to claim 1, wherein: the brightness in the light source transition area is gradually decreased from the edge of the substrate to the inner side.
3. A light-emitting display screen having a light source transition region according to claim 1, wherein: the color of the light source transition region can be one or more than two of black, gray and blue composite light.
4. A light-emitting display screen having a light source transition region according to claim 1, wherein: the first photoluminescent layer and the second photoluminescent layer can pass through a light source with a specific wavelength; the first photoluminescence layer and the second photoluminescence layer are both excited by a light source receiving preset wavelength to display.
5. A light-emitting display screen having a light source transition region according to claim 1, wherein: the first photoluminescent layer and the second photoluminescent layer are arranged in order from a low wavelength to a high wavelength.
6. A light-emitting display screen having a light source transition region according to claim 1, wherein: the brightness enhancing layer has a two-dimensional photonic crystal structure and is capable of passing light sources of a particular wavelength.
7. A light-emitting display screen having a light source transition region according to claim 1, wherein: the light source parameter information comprises one or the combination of more than two of light source brightness, wavelength, light time and light frequency.
8. A light-emitting display screen having a light source transition region according to claim 1, wherein: the photoluminescence strips can be sequentially and constantly lighted or twinkle according to a preset track.
9. An advertising device, comprising: a light-emitting display screen having a light source transition region as claimed in any one of claims 1 to 8, said light-emitting display screen being mounted on a side of an advertising device.
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| CN107966825B (en) * | 2017-12-26 | 2023-12-19 | 广州弥德科技有限公司 | Spliced directional backlight source and display system using same |
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| CN102566139A (en) * | 2010-12-28 | 2012-07-11 | 歌尔声学股份有限公司 | LED (Light-Emitting Diode) backlight display equipment |
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| CN108089386A (en) * | 2017-12-29 | 2018-05-29 | 广东欧珀移动通信有限公司 | cover board, display module and mobile terminal |
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