CN210092126U - Full-color LED device and display module - Google Patents

Full-color LED device and display module Download PDF

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Publication number
CN210092126U
CN210092126U CN201921014679.4U CN201921014679U CN210092126U CN 210092126 U CN210092126 U CN 210092126U CN 201921014679 U CN201921014679 U CN 201921014679U CN 210092126 U CN210092126 U CN 210092126U
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light
emitting
color conversion
color
lens
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章金惠
谭孟苹
麦家儿
林宇珊
袁毅凯
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Foshan NationStar Optoelectronics Co Ltd
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Foshan NationStar Optoelectronics Co Ltd
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Abstract

The utility model provides a full-color LED device, which comprises a substrate, at least one first light-emitting unit, at least one second light-emitting unit and at least one third light-emitting unit; the first light-emitting unit comprises a first color conversion part; the second light emitting unit includes a second color conversion part; the third light emitting unit includes a third color conversion part; light absorbing components are arranged in the first color conversion part, the second color conversion part and the third color conversion part respectively; a bank is disposed between the color conversion parts of any two adjacent light emitting units among the first, second, and third light emitting units. The color conversion part in the full-color LED device is not easy to be excited by mistake, and the light rays excited by mistake in the color conversion part are not easy to be transmitted out, so that the full-color LED device is accurate in color development, good in display effect and good in practicability. The utility model also provides a display module assembly based on this full-color LED device is made.

Description

Full-color LED device and display module
Technical Field
The utility model relates to a LED device field, concretely relates to full-color LED device and display module assembly.
Background
At present, in the industry, there is an LED device, the LED device is integrated with more than three monochromatic light emitting diodes in a single LED device, according to design requirements, a color conversion portion for converting monochromatic light into three primary colors of light is arranged right above the light emitting diodes, commonly, the color conversion portion can supply light to directly penetrate through or stimulate the emitted light to generate light with specific color, and full-color display of the LED device can be realized through light emitting control of different light emitting diodes in the single LED device.
For the full-color LED device, on one hand, the light-emitting diode has a certain light-emitting angle, the light of the light-emitting diode in a certain angle range can fall on the corresponding color conversion part, and meanwhile, the light-emitting light larger than a certain angle is easy to excite other non-corresponding color conversion parts, so that the LED device generates color distortion; on the other hand, the long-wave fluorescent material can absorb the light excited by the short-wave fluorescent material, and when one of the color conversion parts is excited by the light, the light with a specific color generated by excitation can be absorbed by the adjacent color conversion parts and cause false excitation, so that the color generated by the LED device is distorted.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of current LED device, the utility model provides a full-color LED device and display module assembly, the difficult quilt of color conversion portion in this full-color LED device is aroused by the mistake, and is difficult for following the color conversion portion by the light that the mistake arouses and see through, makes the color development accuracy of this full-color LED device, and the display effect is good, has good practicality.
Correspondingly, the utility model provides a full-colorized LED device, full-colorized LED device includes base plate, at least one luminous colour is blue first luminescence unit, at least one luminous colour is green second luminescence unit and at least one luminous colour is red third luminescence unit;
the first light-emitting unit comprises a first light-emitting part, a first lens part and a first color conversion part, the first light-emitting part is arranged on the substrate, and the first lens part and the first color conversion part are sequentially arranged above the first light-emitting part;
the second light-emitting unit comprises a second light-emitting part, a second lens part and a second color conversion part, the second light-emitting part is arranged on the substrate, and the second lens part and the second color conversion part are sequentially arranged above the second light-emitting part;
the third light-emitting unit comprises a third light-emitting part, a third lens part and a third color conversion part, the third light-emitting part is arranged on the substrate, and the third lens part and the third color conversion part are sequentially arranged above the third light-emitting part;
light absorbing components are arranged in the first color conversion part, the second color conversion part and the third color conversion part respectively.
In an optional embodiment, the first color conversion part, the second color conversion part and the third color conversion part are arranged on the same plane;
a retaining wall is arranged between the color conversion parts of any two adjacent light-emitting units in the first light-emitting unit, the second light-emitting unit and the third light-emitting unit;
the height of the retaining wall is greater than or equal to the height of the color conversion parts positioned at two sides of the retaining wall.
In an alternative embodiment, the first light emitting part, and/or the second light emitting part, and/or the third light emitting part has an emission peak wavelength of [350nm, 480nm ];
the third color conversion part comprises a red light conversion material which is a fluorescent material or a quantum dot material with emission peak wavelength in a range of [600nm, 700nm ];
the second color conversion part comprises a green light conversion material, and the green light conversion material is a fluorescent material or a quantum dot material with the emission peak wavelength in the interval of [500nm, 550nm ];
when the emission peak wavelength of the first light-emitting part is [430nm, 480nm ], the first color conversion part is composed of a colorless transparent material;
or when the emission peak wavelength of the first light-emitting part is [350nm, 430nm ], the composition material of the first color conversion part comprises a blue light conversion material, and the blue light conversion material is a fluorescent material or a quantum dot material with the emission peak wavelength in the [430nm, 480nm ] interval.
In an alternative embodiment, when the emission peak wavelength of the first light emitting portion, and/or the second light emitting portion, and/or the third light emitting portion is [430nm, 480nm ], the constituent material of the light absorbing member includes a blue light absorbing material;
or when the emission peak wavelength of the first light-emitting part, and/or the second light-emitting part, and/or the third light-emitting part is [350nm, 430nm ], the constituent material of the light-absorbing member includes an ultraviolet light-absorbing material.
In an alternative embodiment, the first lens portion bottom surface is in contact with the first light emitting portion top surface, and the first color conversion portion bottom surface is in contact with the first lens portion top surface;
and/or the second lens part bottom surface is in contact with the second light emitting part top surface, and the second color conversion part bottom surface is in contact with the second lens part top surface;
and/or the bottom surface of the third lens part is contacted with the top surface of the third light-emitting part, and the bottom surface of the third color conversion part is contacted with the top surface of the second lens part.
In an alternative embodiment, a projection profile of the first lens portion on the first light-emitting portion top surface surrounds the first light-emitting portion top surface;
and/or the projection outline of the second lens part on the top surface of the second light-emitting part surrounds the top surface of the second light-emitting part;
and/or the projection outline of the third lens part on the top surface of the third light-emitting part surrounds the top surface of the third light-emitting part.
In an alternative embodiment, the first lens portion is composed of more than one inverted lens arranged in parallel;
and/or the second lens part is composed of more than one inverted lens arranged in parallel;
and/or the third lens part is composed of more than one inverted lens arranged in parallel.
In an alternative embodiment, the inverted lens is a plano-convex lens, the convex surface of the plano-convex lens facing the substrate.
In an alternative embodiment, the light absorbing member is a columnar structure, and the light absorbing member is perpendicular to the top surface of the light emitting part.
In an alternative embodiment, the number of the light absorbing parts in any one color conversion section is one or more;
the light absorbing members are arranged at intervals in the horizontal direction of the color conversion portion, and a light transmitting region is formed between two adjacent light absorbing members.
In an alternative embodiment, an isolation layer surrounding the first, second, and third light emitting units is disposed on the substrate.
Correspondingly, the utility model also provides a display module assembly, display module assembly's luminescent device is above arbitrary the full-color LED device.
The embodiment of the utility model provides a full-color LED device, through setting up lens portion, reduce the emission light angle of emitting chip, weaken or eliminate emitting chip and send the light mistake and arouse the influence that non-corresponding color conversion portion produced to full-color LED device display, strengthen the display effect of full-color LED device; the light absorption component is arranged to absorb the light rays with large incident angles of the color conversion part, so that the possibility that the color conversion part is mistakenly excited is further reduced, and the display effect of the full-color LED device is enhanced; the arrangement of the retaining wall solves the problem of crosstalk of adjacent color conversion parts; due to the arrangement of the isolation layer, interference between adjacent full-color LED devices is avoided, and the LED full-color LED display device has good practicability. The display module group made based on the full-color LED device has the characteristics of accurate color rendering effect, high resolution, good color rendering effect and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 shows a schematic cross-sectional structure diagram of a full-color LED device according to a first embodiment of the present invention;
fig. 2 shows a schematic top view structure diagram of a full-color LED device according to a second embodiment of the present invention;
fig. 3 shows a schematic top view structure diagram of a full-color LED device according to a third embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
fig. 1 shows a schematic cross-sectional structure diagram of a full-color LED device according to an embodiment of the present invention. The full-color LED device provided by the embodiment of the utility model comprises a substrate 100, at least one first light-emitting unit, at least one second light-emitting unit and at least one third light-emitting unit;
the first light emitting unit includes a first light emitting portion 101, a first lens portion 201, and a first color conversion portion 301, the first light emitting portion 101 is disposed on the substrate 100, the first lens portion 201 is disposed above the first light emitting portion 101, and the first color conversion portion 301 is disposed above the first lens portion 201; the light emitting color of the first light emitting unit is blue;
the second light emitting unit includes a second light emitting portion 102, a second lens portion 202, and a second color conversion portion 302, the second light emitting portion 102 is disposed on the substrate 100, the second lens portion 202 is disposed above the second light emitting portion 102, and the second color conversion portion 302 is disposed above the second lens portion 202; the light emitting color of the second light emitting unit is green;
the third light emitting unit includes a third light emitting part 103, a third lens part 203, and a third color conversion part 303, the third light emitting part 103 being disposed on the substrate 100, the third lens part 203 being disposed above the third light emitting part 103, the third color conversion part 303 being disposed above the third lens part 203; the light emitting color of the third light emitting unit is red.
The first color conversion part 301, the second color conversion part 302 and the third color conversion part 303 are arranged on the same plane, and light absorption components 402 are respectively arranged in the first color conversion part 301, the second color conversion part 302 and the third color conversion part 303;
a retaining wall 401 is disposed between the color conversion portions of any two adjacent light emitting units among the first, second, and third light emitting units.
In a specific implementation, each full-color LED device at least includes the above three light emitting units, and full-color LED devices are realized by mixing light rays of three primary colors, and in a specific implementation, the number of each light emitting unit may be more than one.
In specific implementation, the color of the light emitted by the light-emitting unit is determined by the light-emitting part and the color conversion part, the light-emitting part is used for emitting initial light, and the color conversion part is used for directly transmitting the initial light or converting the initial light into a required color and then emitting the required color.
The lens part is used for concentrating the light of the light-emitting chip and concentrating the emitted light of the light-emitting part, so that the quantity of light which is emitted by the light-emitting part and does not correspond to the color processing part by mistake is reduced.
In the embodiment of the present invention, it can be known from the introduction of the above structure that the basic composition of each light emitting unit is the same, and the difference of each light emitting unit mainly lies in the structural difference of the color conversion portion.
In the embodiment of the present invention, optionally, the first light emitting part 101 is composed of more than one light emitting chip, and the light emitting chip is disposed on the substrate 100. The first lens portion 201 is disposed above the first light emitting portion 101, and the first color conversion portion 301 is disposed above the first lens portion 201.
The first light emitting part 101 emits monochromatic light within a certain angle, and the monochromatic light is converged by the first lens part 201 and then emitted to the first color conversion part 301; the first color conversion part 301 processes the monochromatic light to generate the desired light.
Through the arrangement of the first lens part 201, after the light emitted by the first light emitting part 101 is emitted, the light is converged by the first lens part 201, the light emitting angle of the first light emitting part 101 is reduced, more light falls on the corresponding color conversion part, and accordingly, the quantity of light emitted to the non-corresponding color conversion part is reduced.
Specifically, in order to reduce the thickness of the full-color LED device and to allow for ease of processing of the full-color LED device, the first lens portion 201 is closely disposed on the top surface of the first light emitting portion 101, and the first color conversion portion 301 is closely disposed on the top surface of the first lens portion 201.
Optionally, based on the prior art, the emission peak wavelength of the first light emitting portion 101 is [350nm, 480nm ], and specifically, the light emitting chip adopted by the first light emitting portion 101 is a blue light chip or an ultraviolet light chip.
Optionally, the first lens portion 201 includes more than one inverted lens, the inverted lens is a plano-convex lens, a plane side of the inverted lens faces the first color conversion portion 301, and a convex side of the inverted lens faces the first light emitting portion 101.
Optionally, the convex top of the inverted lens is in contact with the first light-emitting portion 101; the projection profile of the first lens portion 201 on the top surface of the first light emitting portion 101 surrounds the top surface of the first light emitting portion 101.
Optionally, the color conversion part includes two types, one of which is a non-processing structure color conversion part or a color processing structure color conversion part, wherein the non-processing structure color conversion part can directly transmit incident light without changing the color of the incident light; the color processing structure color conversion part converts incident light into light of a specific color. The structure of the color conversion part is selected according to the color of the light emitting part of the light emitting unit and the color of the light to be emitted by the light emitting unit.
Optionally, the third color conversion portion 303 includes a red light conversion material, and the red light conversion material is a fluorescent material or a quantum dot material with an emission peak wavelength in a range of [600nm, 700nm ];
optionally, the second color conversion portion 302 is made of a green light conversion material, and the green light conversion material is a fluorescent material or a quantum dot material with an emission peak wavelength in a range of [500nm, 550nm ];
optionally, when the emission peak wavelength of the first light emitting portion 101 is [430nm, 480nm ], the first color conversion portion 301 is made of a colorless transparent material;
optionally, when the emission peak wavelength of the first light emitting portion is [350nm, 430nm ], the composition material of the first color conversion portion 301 includes a blue light conversion material, and the blue light conversion material is a fluorescent material or a quantum dot material having an emission peak wavelength in a range of [430nm, 480nm ].
Through the arrangement mode, the full-color LED device can realize full-color display based on three primary colors of red, green and blue through the plurality of light-emitting units.
In order to further weaken or eliminate the influence that the light that the illuminating part sent light and fall on non-corresponding color conversion portion and produce the mistake excitation to full-color LED device demonstration, the embodiment of the utility model provides a be provided with the light absorbing part 402 that is used for absorbing the sidelight in first color conversion portion 301.
Optionally, the number of the light absorbing members 402 in the color conversion portion 301 is one or more; the light absorbing members 402 may have a pillar structure, and the plurality of light absorbing members 402 are perpendicular to the top surfaces of the light emitting parts.
Alternatively, the light absorbing members 402 are arranged at intervals in the horizontal direction of the color conversion part, and a light transmitting region is formed between two adjacent light absorbing members 402.
Alternatively, referring to the structural schematic diagram of the full-color LED device shown in fig. 2, the light absorbing member 402 is a columnar structure, and the light absorbing members 402 are perpendicular to the top surfaces of the light emitting portions respectively; specifically, when the light absorbing member 402 has a columnar structure, the cross-sectional shape of the light absorbing member 402 can be set as desired. The light absorbing member 402 under the structure has a certain absorption effect on the incident light with a large angle, and can reduce the total amount of light generated by the color conversion part 301 due to the false excitation.
Optionally, referring to the schematic structural diagram of the full-color LED device shown in fig. 3 of the drawings, when the light absorbing component 402 extends to two opposite surfaces of the isolation layer 403, the light absorbing component 402 divides the color conversion portion 301 into a plurality of cells; in this arrangement, the light absorbing members 402 are parallel to the retaining walls 401, respectively. The light absorbing surface area of the light absorbing component 402 under the structure is larger, so that the effect of absorbing large-angle incident light is better, and the total amount of light generated by the color conversion part 301 due to error excitation can be further reduced.
A light-transmitting region is formed between adjacent light-absorbing members 402, and light emitted from the light-emitting portion corresponding to the color conversion portion is transmitted therethrough. The full-color LED device shown in fig. 2 has no light-absorbing function for a large-angle incident light ray in a light-transmitting region between adjacent light-absorbing members 402 downward in the direction shown in the drawing; in specific implementation, the light absorbing components 402 in different rows can be arranged in a staggered manner, so that the light absorbing components are arranged on any horizontal line in the direction shown in fig. 2.
Optionally, the light absorbing component may be made by doping a blue light absorbing material or an ultraviolet light absorbing material in a transparent polymer material such as silica gel, silicone resin, epoxy resin, or the like.
Optionally, when the emission peak wavelength of the light emitting chip is [430nm, 480nm ], the constituent material of the light absorbing component includes a blue light absorbing material;
or when the emission peak wavelength of the light-emitting chip is [350nm, 430nm ], the composition material of the light absorption component comprises an ultraviolet light absorption material.
In addition, in order to prevent that the light that the color conversion portion arouses from being absorbed by adjacent color conversion portion and producing the mistake and arouse, the embodiment of the utility model provides a be provided with barricade 401 that has the extinction function between two adjacent color conversion portions. The retaining wall 401 can prevent light re-absorption between two adjacent color conversion portions and crosstalk between two adjacent color conversion portions. Optionally, the retaining wall is made of a light absorbing material; or the component material of the retaining wall comprises a light absorption material; or the surface of the retaining wall is provided with a light absorption material.
Specifically, the retaining wall 401 may be made of a black light absorbing material; or the retaining wall is made of a high polymer material doped with a black light absorption material; or the retaining wall is formed by a transparent material, and a light reflecting layer or a light absorbing layer is arranged on the outer wall of the transparent material.
In addition, in order to realize the function of the retaining wall 401, the height of the retaining wall 401 needs to be greater than or equal to the height of the color conversion parts located on the two sides of the retaining wall 401, and the specific implementation can be designed according to the requirement.
Further, the setting of lens portion and light absorbing part weakens or has eliminated full colorization LED device interior color conversion portion and has aroused by the mistake and show produced influence to full colorization LED device, and the setting of barricade has avoided the interference between the different conversion portions in the full colorization LED device, and in the concrete implementation, a plurality of full colorization LED devices can concentrate the setting, in order to avoid the optical interference between two adjacent full colorization LED devices, the embodiment of the utility model provides a still sets up isolation layer 403 on the base plate, isolation layer 403 surrounds whole illuminating part, whole lens portion and whole color conversion portion. Alternatively, the isolation layer may be made of a light absorbing material; or the constituent material of the isolation layer includes a light absorbing material; or the surface of the isolation layer is provided with a light absorption material.
Specifically, the isolation layer is made of a black light absorption material; or the isolating layer is made of a high polymer material doped with a black light absorbing material; or the isolation layer is made of transparent material, and a light reflection layer is arranged on the outer wall of the transparent material.
Example two:
fig. 2 shows a schematic top view structure diagram of a full-color LED device according to an embodiment of the present invention. In specific implementation, in the isolation layer 403, a retaining wall 401 is disposed above the lens portions, adjacent color conversion portions are separated by the retaining wall 401, and optionally, the cross-sectional shape of the light absorption member 402 is circular or square. In a specific process, a plurality of window structures of color conversion portions may be formed on a whole light absorption film by etching or the like, the remaining materials may form the dam wall 401 and a part of the spacer 403, and then after a light absorption member is placed in the window structure of the color conversion portion, different materials may be injected into the window structures of different color conversion portions to form a desired color conversion portion.
Example three:
fig. 3 shows a schematic top view structure diagram of a full-color LED device according to an embodiment of the present invention. In the spacer 403, a bank 401 is provided above the lens portion, and adjacent color conversion portions are separated by the bank 401, and alternatively, the cross-sectional shape of the light absorbing member 402 is elongated, and the light absorbing member 402 is in contact with the spacer 403 in the up-down direction in the drawing. Specifically, during processing, a plurality of window structures of color conversion portions may be formed on the entire light absorbing film by etching or the like, and the remaining material may form the light absorbing member 402, the retaining wall 401, and a part of the spacer 403.
Correspondingly, the embodiment of the utility model provides a still provides a display module assembly, display module assembly's luminescent device is above arbitrary one full-color LED device.
The embodiment of the utility model provides a full-color LED device, through setting up lens portion, reduce the transmitted light angle of illuminating part, weaken or eliminate the illuminating part and send light because of mistake arouse the influence that non-corresponding color conversion portion caused full-color LED device demonstration, strengthen the display effect of full-color LED device; the light absorption component is arranged to absorb the incident light rays with large incident angles of the color conversion part, so that the possibility that the color conversion part is mistakenly excited is further reduced, and the display effect of the full-color LED device is enhanced; the arrangement of the retaining wall solves the problem of crosstalk of adjacent color conversion parts; due to the arrangement of the isolation layer, interference between adjacent full-color LED devices is avoided, and the LED full-color LED display device has good practicability. The display module group made based on the full-color LED device has the characteristics of accurate color rendering effect, high resolution, good color rendering effect and the like.
The full-color LED device and the display module provided by the embodiments of the present invention are described in detail above, and the principle and the implementation of the present invention are explained by applying specific examples herein, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims (12)

1. A full-color LED device is characterized by comprising a substrate, at least one first light-emitting unit with blue light-emitting color, at least one second light-emitting unit with green light-emitting color and at least one third light-emitting unit with red light-emitting color;
the first light-emitting unit comprises a first light-emitting part, a first lens part and a first color conversion part, the first light-emitting part is arranged on the substrate, and the first lens part and the first color conversion part are sequentially arranged above the first light-emitting part;
the second light-emitting unit comprises a second light-emitting part, a second lens part and a second color conversion part, the second light-emitting part is arranged on the substrate, and the second lens part and the second color conversion part are sequentially arranged above the second light-emitting part;
the third light-emitting unit comprises a third light-emitting part, a third lens part and a third color conversion part, the third light-emitting part is arranged on the substrate, and the third lens part and the third color conversion part are sequentially arranged above the third light-emitting part;
light absorbing components are arranged in the first color conversion part, the second color conversion part and the third color conversion part respectively.
2. The full-color LED device according to claim 1, wherein the first color conversion section, the second color conversion section, and the third color conversion section are disposed on the same plane;
a retaining wall is arranged between the color conversion parts of any two adjacent light-emitting units in the first light-emitting unit, the second light-emitting unit and the third light-emitting unit;
the height of the retaining wall is greater than or equal to the height of the color conversion parts positioned at two sides of the retaining wall.
3. The full-color LED device according to claim 1, wherein the first light-emitting portion, and/or the second light-emitting portion, and/or the third light-emitting portion has an emission peak wavelength of [350nm, 480nm ];
the third color conversion part comprises a red light conversion material which is a fluorescent material or a quantum dot material with emission peak wavelength in a range of [600nm, 700nm ];
the second color conversion part comprises a green light conversion material, and the green light conversion material is a fluorescent material or a quantum dot material with the emission peak wavelength in the interval of [500nm, 550nm ];
when the emission peak wavelength of the first light-emitting part is [430nm, 480nm ], the first color conversion part is composed of a colorless transparent material;
or when the emission peak wavelength of the first light-emitting part is [350nm, 430nm ], the composition material of the first color conversion part comprises a blue light conversion material, and the blue light conversion material is a fluorescent material or a quantum dot material with the emission peak wavelength in the [430nm, 480nm ] interval.
4. The full-color LED device according to claim 1, wherein when the emission peak wavelength of the first light-emitting portion, and/or the second light-emitting portion, and/or the third light-emitting portion is [430nm, 480nm ], the constituent material of the light-absorbing member includes a blue light-absorbing material;
or when the emission peak wavelength of the first light-emitting part, and/or the second light-emitting part, and/or the third light-emitting part is [350nm, 430nm ], the constituent material of the light-absorbing member includes an ultraviolet light-absorbing material.
5. The full-color LED device according to claim 1, wherein the first lens portion bottom surface is in contact with the first light emitting portion top surface, and the first color conversion portion bottom surface is in contact with the first lens portion top surface;
and/or the second lens part bottom surface is in contact with the second light emitting part top surface, and the second color conversion part bottom surface is in contact with the second lens part top surface;
and/or the bottom surface of the third lens part is contacted with the top surface of the third light-emitting part, and the bottom surface of the third color conversion part is contacted with the top surface of the second lens part.
6. The full-color LED device according to claim 1, wherein a projection profile of the first lens section on the first light-emitting section top surface surrounds the first light-emitting section top surface;
and/or the projection outline of the second lens part on the top surface of the second light-emitting part surrounds the top surface of the second light-emitting part;
and/or the projection outline of the third lens part on the top surface of the third light-emitting part surrounds the top surface of the third light-emitting part.
7. The full-color LED device according to claim 1, wherein the first lens portion is composed of one or more inverted lenses arranged in parallel;
and/or the second lens part is composed of more than one inverted lens arranged in parallel;
and/or the third lens part is composed of more than one inverted lens arranged in parallel.
8. The full-color LED device according to claim 7, wherein the inverted lens is a plano-convex lens, the plano-convex lens convex surface facing the substrate.
9. The full-color LED device according to claim 1, wherein the light absorbing member is a columnar structure, and the light absorbing member is perpendicular to a top surface of the light emitting portion.
10. The full-color LED device according to claim 9, wherein the number of the light absorbing parts in any of the color conversion sections is one or more;
the light absorbing members are arranged at intervals in the horizontal direction of the color conversion portion, and a light transmitting region is formed between two adjacent light absorbing members.
11. The full-color LED device according to claim 1, wherein an isolation layer surrounding the first light-emitting unit, the second light-emitting unit, and the third light-emitting unit is provided on the substrate.
12. A display module, wherein the light emitting device of the display module is the full-color LED device according to any one of claims 1 to 11.
CN201921014679.4U 2019-06-28 2019-06-28 Full-color LED device and display module Active CN210092126U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113066395A (en) * 2021-03-30 2021-07-02 錼创显示科技股份有限公司 Miniature light emitting diode display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113066395A (en) * 2021-03-30 2021-07-02 錼创显示科技股份有限公司 Miniature light emitting diode display device

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