TW202232794A - Light emitting assembly and display device using same - Google Patents

Abstract

Embodiments of the present disclosure provide a light emitting assembly and a display device using the same. The light emitting assembly includes a plurality of light emitting elements, wherein at least some of the light emitting elements are spaced apart from each other and evenly arranged along a circular arc to display an arc-shaped contour portion of an image. Compared with the array arrangement in rows and columns, since at least some of the light emitting elements in the light emitting assembly are evenly arranged along the circular arc to display the arc-shaped contour portion of the image, in the case of the same display area, the display of the position of the arc-shaped contour portion is smooth, and the problem of display distortion is improved.

Description

Light-emitting component and display device using the same

The present invention relates to the field of display technology, and in particular, to a light-emitting component and a display device using the same.

The arrangement of the light-emitting elements of the conventional display device is an array arrangement into a plurality of rows and a plurality of columns. However, when it is applied to a circular display device (such as a watch and a button), most of the displayed patterns are circular and the display area is small, so the display is not smooth and cannot present a complete round edge, and the display effect is obviously distorted.

A first aspect of the present invention provides a light-emitting assembly comprising a plurality of light-emitting elements, wherein at least some of the light-emitting elements are evenly spaced along an arc to display an arc-shaped contour portion of an image.

Because in the light-emitting assembly, at least some of the light-emitting elements are evenly arranged along a circular arc to display the arc-shaped outline of the image, compared with the array arrangement in plural rows and plural columns, under the condition of the same display area , so that the position of the displayed rounded edge transitions smoothly, which improves the problem of distortion of the display effect.

In some embodiments, the arrangement density of the light-emitting elements arranged along the circular arc satisfies that the center of the circular arc is the center, and there are n*2 ^(m-1) light-emitting elements on a circle with a radius of m*r. The elements are evenly spaced, wherein m is an integer greater than or equal to 1, and n is an integer greater than or equal to 4.

In some embodiments, the arrangement density of the light-emitting elements arranged along the circular arc satisfies: taking the center of the circular arc as the center, there are eight light-emitting elements equally angularly distributed, which are respectively defined as the first light-emitting element, the second light-emitting element Two light-emitting element, third light-emitting element, fourth light-emitting element, fifth light-emitting element, sixth light-emitting element, seventh light-emitting element, eighth light-emitting element; second light-emitting element, fourth light-emitting element, sixth light-emitting element, third light-emitting element The distance between the eight light-emitting elements and the center of the circle is the same, which is defined as D0; the distance between the first light-emitting element and the fifth light-emitting element and the center of the circle is the same, and it is defined as D1; the distance between the third light-emitting element and the seventh light-emitting element and the center of the circle is D1. The same distance is defined as D2; where D0 is less than D1 and D0 is less than D2.

In some embodiments, the image is a solid circle, a circular ring, a solid oval, an oval ring, or a profiled pattern with an arcuate outline.

In some embodiments, the light-emitting element is a light-emitting diode.

In some embodiments, the light-emitting component further includes a driving substrate, and the plurality of light-emitting elements are electrically connected to the driving substrate.

A second aspect of the present invention provides a display device, comprising a body and a light-emitting component disposed on the body, the display device includes a display area, the light-emitting component is disposed in the display area, and an outline of the display area is at least partially The light-emitting component in the arc-shaped portion and the outline of the display area is the above-mentioned light-emitting component.

The display device includes the above-mentioned light-emitting components, because in the light-emitting components, at least some of the light-emitting components are evenly arranged along a circular arc to display the arc-shaped outline part of the image, compared with the array-type arrangement of plural rows and plural columns , in the case of the same display area, the position of the displayed round edge is made to transition smoothly, which improves the problem of distortion of the display effect.

In some embodiments, the display device is a watch, a wristband or a button.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose, the present invention is described in detail below with reference to the accompanying drawings and preferred embodiments.

Embodiments of the present invention provide a light-emitting assembly. The light-emitting assembly includes a plurality of light-emitting elements. At least some of the light-emitting elements are evenly spaced along an arc to display the arc-shaped outline of the image. In the light-emitting assembly, at least some of the light-emitting elements are evenly spaced along a circular arc. Compared with the array arrangement in the form of multiple rows and multiple columns, under the condition of the same display area, the positions of the display circles can be smoothly transitioned. The problem of display distortion has been improved.

FIG. 1 is a schematic diagram of the arrangement of a plurality of light-emitting elements 12 in the light-emitting assembly 10 according to the first embodiment of the present invention. The following description will be given by taking the image of the arc-shaped outline to be displayed as a solid circle as an example. In Figure 1, the center A of the solid circle. There is a light-emitting element 12 at the center A of the solid circle, and the remaining light-emitting elements 12 are centered on the center A (ie, the center of the arc), and are evenly spaced on a series of concentric circles.

Specifically, with the center A as the center, 4 (ie, 4*2 ^{( 1-1 )} ) light-emitting elements 12 are distributed on a circle with a radius of r, and 8 (ie, 4*2 ^{( 2} ) are distributed on a circle with a radius of 2r. ^{-1 )} ) light-emitting elements 12, 16 (ie 4*2 ^{( 3-1 )} ) light-emitting elements 12 are distributed on a circle with a radius of 3r, and so on, the rows of light-emitting elements 12 arranged along the circular arc The distribution density satisfies that with the center of the arc as the center and a circle with a radius of m*r, there are n*2 ^(m-1) light-emitting elements 12 evenly spaced, wherein m is an integer greater than or equal to 1, and r Greater than zero, n is an integer greater than or equal to 4.

As among the light-emitting elements 12, at least the light-emitting elements 12 at the edge of the solid circle are arranged to be evenly spaced along the direction of the arc, so that the displayed edge of the solid circle has a smooth transition, which improves the display effect. Distortion problem. In addition, compared with the arrangement of the light-emitting elements 12 in a matrix in two vertical directions, the number of the light-emitting elements 12 is increased under the same light-emitting area, which improves the display quality. resolution.

In other embodiments, the image with an arc-shaped outline is not limited to a solid circle, for example, it may be a circular ring, a solid ellipse, an elliptical ring, or a special-shaped pattern with an arc-shaped outline. The special-shaped pattern can be, for example, a heart shape, a letter with an arc-shaped outline (eg, the letter "O", the letter "G", the letter "D"), and the like. It should be noted that, in the light-emitting assembly 10, at least the light-emitting elements 12 used for displaying the arc-shaped outline are arranged along the arc, and the arrangement density of the light-emitting elements 12 arranged along the arc satisfies: The center of the arc is the center, and a circle with a radius of m*r has n*2 ^(m-1) light-emitting elements 12 evenly spaced, where m is an integer greater than or equal to 1, and n is an integer greater than or equal to 4. Instead of the light-emitting elements 12 at the arc-shaped contour, other arrangement densities and arrangement methods may also be used, for example, the light-emitting elements 12 may also be arranged in an array of multiple rows and multiple columns, which is not limited herein.

FIG. 2 is a schematic diagram of the arrangement of the plurality of light-emitting elements 12 in the light-emitting assembly 10 according to the second embodiment of the present invention. In the following, the image of the arc-shaped outline to be displayed is taken as an example of a solid circle as an example for description. In FIG. 2, the center of the solid circle to be displayed is A. There is a light-emitting element 12 at the center A of the solid circle, and the remaining light-emitting elements 12 are evenly spaced with the center A (ie, the center of the arc) as the center. Wherein, the arrangement density of each light-emitting element 12 satisfies that with the center of the arc as the center, there are eight light-emitting elements 12 equiangularly distributed, which are respectively defined as the first light-emitting element 121, the second light-emitting element 122, and the third light-emitting element 123 , the fourth light-emitting element 124 , the fifth light-emitting element 125 , the sixth light-emitting element 126 , the seventh light-emitting element 127 , and the eighth light-emitting element 128 . The distances between the second light-emitting element 122 , the fourth light-emitting element 124 , the sixth light-emitting element 126 , and the eighth light-emitting element 128 are the same as the distance from the center of the circle, which is defined as D0 . The distance between the first light-emitting element 121 and the fifth light-emitting element 125 and the center of the circle is the same, which is defined as D1. The distance between the third light-emitting element 123 and the seventh light-emitting element 127 and the center of the circle is the same, which is defined as D2. Among them, D0<D1, D0<D2. That is to say, eight light-emitting elements 12 are disposed adjacent to the periphery of each light-emitting element 12, and the eight light-emitting elements 12 are respectively located on the upper, lower, left, right and upper right, upper left, lower left, and lower right of the central light-emitting element 12 , and the distances between the light-emitting elements 12 located at the upper right, upper left, lower left, and lower right and the central light-emitting element 12 are smaller than the distances between the upper, lower, left, and right light-emitting elements 12 and the central light-emitting element 12, and each light-emitting element 12 are arranged according to this rule. In this way, compared with the manner in which the array is arranged in multiple rows and multiple columns, under the condition of the same display area, the positions of the displayed rounded edges are smoothly transitioned, and the problem of display distortion is improved. In addition, compared to the arrangement of the light-emitting elements 12 in a matrix along two vertical directions, the arrangement of the light-emitting elements 12 in the same light-emitting area adds a second circular arrangement along the radius D0. The light-emitting element 122 , the fourth light-emitting element 124 , the sixth light-emitting element 126 , and the eighth light-emitting element 128 increase the number of the light-emitting elements 12 and improve the display resolution.

In other embodiments, the image of the arc-shaped contour is not limited to a solid circle, for example, it may be a circular ring, a solid ellipse, an elliptical ring, or a special-shaped pattern with an arc-shaped contour. The special-shaped pattern can be, for example, a heart shape, a letter with an arc-shaped outline (eg, the letter "O", the letter "G", the letter "D"), and the like. It should be noted that, in the light-emitting assembly 10, at least the light-emitting elements 12 used for displaying the arc-shaped outline are arranged along the arc, and the arrangement density of the light-emitting elements 12 arranged along the arc satisfies: The center of the arc is the center, and there are eight light-emitting elements 12 distributed at equal angles, which are respectively defined as the first light-emitting element 121, the second light-emitting element 122, the third light-emitting element 123, the fourth light-emitting element 124, the fifth light-emitting element 125, and the third light-emitting element 125. Six light-emitting elements 126 , a seventh light-emitting element 127 , and an eighth light-emitting element 128 . The distances between the second light-emitting element 122 , the fourth light-emitting element 124 , the sixth light-emitting element 126 , and the eighth light-emitting element 128 are the same as the distance from the center of the circle, which is defined as D0 . The distance between the first light-emitting element 121 and the fifth light-emitting element 125 and the center of the circle is the same, which is defined as D1. The distance between the third light-emitting element 123 and the seventh light-emitting element 127 and the center of the circle is the same, which is defined as D2. Among them, D0 is smaller than D1, and D0 is smaller than D2. Instead of the light-emitting elements 12 at the arc-shaped contour, other arrangement densities and arrangement methods may also be used, for example, the light-emitting elements 12 may also be arranged in an array of multiple rows and multiple columns, which is not limited herein.

In some embodiments, the light emitting element 12 is a light emitting diode (Light Emitting Diode, LED). Specifically, the light-emitting element 12 can be a mini light-emitting diode (also known as a sub-millimeter light-emitting diode), which has a micron-scale chip size and has advantages such as better brightness, color, and reliability, and can be applied to smart watches. , a smart bracelet, or a small-sized display device 100 such as a button. In other embodiments, the light emitting element 12 can also be a conventional LED or a micro LED.

In some embodiments, the light emitting assembly 10 further includes a driving substrate (not shown), the plurality of light emitting elements 12 are electrically connected to the driving substrate, and driven by the driving substrate, the light emitting elements 12 emit light.

In some embodiments, the light emitting assembly 10 further includes an optical layer (not shown) covering the light emitting element 12 , so as to adjust the light emitted from the light emitting element 12 . The optical layer is, for example, a diffusion layer, a light guide layer, a lens layer, and the like.

FIG. 3 is a schematic structural diagram of a display device 100 according to an embodiment of the present invention. The display device 100 includes a body 30 and a light emitting assembly 10 ( 20 ) disposed on the body 30 . The display device 100 includes the above-mentioned light emitting assembly 10 . In the light-emitting assembly 10 (20), at least some of the light-emitting elements 12 are evenly arranged along a circular arc to display the arc-shaped outline of the image. In the case of the area, the position of the displayed round edge is smoothly transitioned, which improves the problem of distortion of the display effect.

In some embodiments, the display device 100 is a watch, a wristband or a button. The image of the curved outline can be a ring pattern on a watch or bracelet, or a function logo or illustration on a button.

In some embodiments, the display device 100 includes a display area, a light-emitting component is disposed in the display area, the outline of the display area is at least partially arc-shaped, and the light-emitting component of the arc-shaped portion of the outline of the display area is the light-emitting component 10 ( 20 ). .

The display area 101 shown in (a) of FIG. 4 is a solid circle, the outline of the display area 101 is a circle, and the image to be displayed is a solid circle (shaded part in the figure). If the light-emitting components 10 in the display device 100 adopt the arrangement of the light-emitting components 10 according to the first embodiment of the present invention, the corresponding arrangement of the light-emitting elements 12 is shown in (d) of FIG. 4 . It can be seen from (d) in FIG. 4 that the arrangement of each light-emitting element 12 at the arc-shaped outline is smooth and transitional. Therefore, the display effect of the rounded edge is improved. In addition, the arrangement of the light-emitting elements 12 except the outermost layer of the display area 101 is not limited to the arrangement of the light-emitting elements 10 of the first embodiment, but may also be arranged in an array of multiple rows and multiple columns.

The display area 101 shown in (b) of FIG. 4 is a circular ring, the inner and outer contours of the display area 101 are circular, and the image to be displayed is a circular ring (the shaded part in the figure). If the light emitting components 10 in the display device 100 adopt the arrangement of the light emitting components 10 according to the first embodiment of the present invention, the corresponding arrangement of the light emitting elements 12 is shown in (e) of FIG. 4 . It can be seen from (e) in FIG. 4 that the arrangement of each light-emitting element 12 at the arc-shaped outline is smooth and transitional. Therefore, the display effect of the rounded edge is improved.

The display area 101 shown in (c) of FIG. 4 is the letter mark "G", part of the outline of the display area 101 is arc, and the image to be displayed is the letter mark "G" (shaded part in the figure). If the light emitting components 10 in the display device 100 adopt the arrangement of the light emitting components 10 according to the first embodiment of the present invention, the corresponding arrangement of the light emitting elements 12 is shown in (f) of FIG. 4 . It can be seen from (f) in FIG. 4 that the arrangement of the respective light-emitting elements 12 at the arc-shaped outline is smoothly transitioned. Moreover, in (f) of FIG. 4 , the transition between the light-emitting elements 12 located on the straight side (the light-emitting elements 12 arranged laterally) and the light-emitting elements 12 on the rounded side is also a smooth transition. Therefore, the display effect of the rounded edge is improved.

Figures (a), (b) and (c) in FIG. 5 are still exemplarily described by using the display area 101 as a solid circle, a circular ring, and the letter "G". Specifically, if the light-emitting components 10 in the display device 100 adopt the arrangement of the light-emitting components 20 according to the second embodiment of the present invention, the corresponding light-emitting elements 12 are arranged in (d) and (e) respectively in FIG. 5 . ) and (f). It can be seen from (d), (e) and (f) in FIG. 5 that the arrangement of each light-emitting element 12 at the arc-shaped outline is smooth and transitional, and in (f) in FIG. 5 , The transition between the light emitting elements 12 on the straight side (the light emitting elements 12 arranged laterally) and the light emitting elements 12 on the round side is also relatively smooth. Therefore, the display effect of the rounded edge is improved.

The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced. without departing from the spirit and scope of the technical solutions of the present invention.

10, 20: Lighting components 12: Light-emitting element 121: The first light-emitting element 122: The second light-emitting element 123: The third light-emitting element 124: Fourth light-emitting element 125: Fifth light-emitting element 126: sixth light-emitting element 127: Seventh light-emitting element 128: Eighth light-emitting element 30: Ontology 100: Display device 101: Display area

FIG. 1 is a schematic diagram of the arrangement of a plurality of light-emitting elements in the light-emitting assembly according to the first embodiment of the present invention.

FIG. 2 is a schematic diagram of the arrangement of a plurality of light-emitting elements in a light-emitting assembly according to a second embodiment of the present invention.

FIG. 3 is a schematic structural diagram of a display device according to an embodiment of the present invention.

FIG. 4 is a schematic diagram of the arrangement of an image to be displayed and its corresponding light-emitting elements of a display device to which the light-emitting assembly according to the first embodiment of the present invention is applied.

FIG. 5 is a schematic diagram of the arrangement of an image to be displayed and its corresponding light-emitting elements of a display device to which the light-emitting assembly according to the second embodiment of the present invention is applied.

10: Lighting components

12: Light-emitting element

Claims (9)

A light-emitting component is improved by comprising a plurality of light-emitting elements, wherein at least some of the light-emitting elements are evenly arranged along a circular arc to display the arc-shaped contour part of an image. The light-emitting assembly according to claim 1, wherein the arrangement density of the light-emitting elements arranged along the arc satisfies: Taking the center of the arc as the center, a circle with a radius of m*r has n*2 ^(m-1) The light-emitting elements are evenly spaced, wherein m is an integer greater than or equal to 1, r is greater than zero, and n is an integer greater than or equal to 4. The light-emitting assembly according to claim 1, wherein the arrangement density of the light-emitting elements arranged along the arc satisfies: Taking the center of the arc as the center, there are eight such light-emitting elements distributed at equal angles, which are respectively defined as a first light-emitting element, a second light-emitting element, a third light-emitting element, a fourth light-emitting element, and a fifth light-emitting element. a light-emitting element, a sixth light-emitting element, a seventh light-emitting element, and an eighth light-emitting element; The distance between the second light-emitting element, the fourth light-emitting element, the sixth light-emitting element, and the eighth light-emitting element and the center of the circle is the same, which is defined as D0; The distance between the first light-emitting element and the fifth light-emitting element and the center of the circle is the same, which is defined as D1; The distance between the third light-emitting element and the seventh light-emitting element and the center of the circle is the same, which is defined as D2; Among them, D0 is smaller than D1, and D0 is smaller than D2. The light-emitting component of claim 1, wherein the image is a solid circle, a circular ring, a solid ellipse, an elliptical ring, or a special-shaped pattern with an arc-shaped outline. The light-emitting assembly according to claim 1, wherein the light-emitting elements are light-emitting diodes. The light-emitting assembly according to claim 1, wherein the light-emitting assembly further comprises a driving substrate, and the light-emitting elements are electrically connected to the driving substrate. The light-emitting assembly according to claim 1, wherein the light-emitting assembly further comprises an optical layer covering the light-emitting elements, so as to adjust the emitted light of the light-emitting elements. A display device includes a main body and at least one light-emitting component disposed on the main body, the display device includes a display area, the at least one light-emitting component is disposed in the display area, wherein the outline of the display area is at least partially arc-shaped , and the light-emitting component in the arc-shaped portion of the display area is the light-emitting component according to any one of claims 1 to 7. The display device according to claim 8, wherein the display device is a watch, a wristband or a button.

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