TW202125006A - Image display - Google Patents

Abstract

The present invention provides an image display including a display module and a backlight module. The backlight module is disposed under the display module to provide a backlight source for the display module. The backlight module includes a carrier substrate and a light-emitting unit. The carrier substrate includes a light-transmitting body, a conductive circuit layer disposed on a top surface of the light-transmitting body, and a bottom light-reflecting structure disposed on a bottom surface of the light-transmitting body. The light-emitting unit includes a plurality of light-emitting elements disposed on the top surface of the light-transmitting body, and each light-emitting element is electrically connected to the conductive circuit layer. An initial light source generated by each light-emitting element passes through the top surface of the light-transmitting body so as to project onto the bottom light-reflecting structure, the initial light source is reflected by the bottom light-reflecting structure to form a reflective light source, and the reflective light source passes through the top surface of the light-transmitting body again to form a projecting light source that is projected out of the light-transmitting body. Therefore, the initial light source generated by each light-emitting element can be reflected by the bottom light-reflecting structure to form the projecting light source that is projected out of the light-transmitting body.

Description

Video display

The invention relates to an image display, in particular to an image display using a backlight module.

The existing image display needs to be used with a backlight module, but the existing backlight module still has room for improvement.

The technical problem to be solved by the present invention is to provide an image display for the shortcomings of the prior art.

In order to solve the above technical problems, one of the technical solutions adopted by the present invention is to provide an image display, which includes a display module and a backlight module. The backlight module is arranged below the display module to provide a backlight light source for the display module. The backlight module includes a carrier substrate and a light emitting unit. The carrier substrate includes a light-transmitting body, a conductive circuit layer arranged on a top surface of the light-transmitting body, and a bottom surface reflective structure arranged on a bottom surface of the light-transmitting body. The light-emitting unit includes a plurality of light-emitting elements arranged on the top surface of the light-transmitting body, and each of the light-emitting elements is electrically connected to the conductive circuit layer. Wherein, an initial light source generated by each of the light-emitting elements passes through the top surface of the light-transmitting body and is projected onto the bottom reflective structure, and the initial light source is reflected by the bottom reflective structure to form a A reflective light source, and the reflective light source passes through the top surface of the light-transmitting body again to form a projection light source projected to the outside of the light-transmitting body.

In order to solve the above technical problems, another technical solution adopted by the present invention is to provide an image display, which includes a display module and a backlight module. The backlight module is arranged below the display module to provide a backlight light source for the display module. The backlight module includes a carrier substrate and a light emitting unit. The carrier substrate includes a light-transmitting body, a conductive circuit layer arranged on a top surface of the light-transmitting body, and a bottom surface reflective structure arranged on a bottom surface of the light-transmitting body. The light-emitting unit includes a plurality of light-emitting elements, and each of the light-emitting elements is electrically connected to the conductive circuit layer. Wherein, an initial light source generated by each of the light-emitting elements is reflected by the bottom reflective structure to form a projection light source projected to the outside of the light-transmitting body.

In order to solve the above technical problems, another technical solution adopted by the present invention is to provide an image display, which includes a display module and a backlight module. The backlight module is arranged below the display module to provide a backlight light source for the display module. The backlight module includes a carrier substrate and a light emitting unit. The carrier substrate includes a light-transmitting body and a bottom light-reflecting structure arranged on a bottom surface of the light-transmitting body. The light-emitting unit includes a plurality of light-emitting elements arranged on the light-transmitting body. Wherein, an initial light source generated by each of the light-emitting elements is reflected by the bottom reflective structure to form a projection light source projected to the outside of the light-transmitting body.

Furthermore, the carrier substrate includes a top surface reflective structure disposed on the top surface of the light-transmitting body, and the top surface reflective structure includes a plurality of top surfaces surrounding a plurality of the light-emitting elements. A roughened structure, and the roughened top surface includes a plurality of top reflective surfaces that are successively connected; wherein, the initial light source generated by each light-emitting element is projected onto the corresponding roughened top structure And the initial light source forms another projection light source projected to the outside of the light-transmitting body by reflecting the corresponding roughened top surface structure.

One of the beneficial effects of the present invention is that the image display provided by the present invention can pass through "the carrier substrate includes a light-transmitting body and a bottom reflective structure provided on a bottom surface of the light-transmitting body" and " The light-emitting unit includes a plurality of light-emitting elements arranged on the light-transmitting body, so that an initial light source generated by each light-emitting element can pass through the reflection of the bottom reflective structure to form a projection A projection light source to the outside of the transparent body is used by the display module.

Another beneficial effect of the present invention is that the image display provided by the present invention can pass "the carrier substrate includes a top surface reflective structure provided on the top surface of the light-transmitting body" and "the The top surface reflective structure includes a plurality of top surface roughening structures respectively surrounding a plurality of the light-emitting elements, so that an initial light source generated by each light-emitting element can pass through the corresponding rough top surface. The reflection of the chemical structure forms another projection light source projected to the outside of the light-transmitting body for use by the display module.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings about the present invention. However, the provided drawings are only for reference and description, and are not used to limit the present invention.

The following is a specific embodiment to illustrate the implementation of the "display display" disclosed in the present invention. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be based on different viewpoints and applications, and various modifications and changes can be made without departing from the concept of the present invention. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to actual dimensions, and are stated in advance. The following embodiments will further describe the related technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention.

Please refer to Figures 1 to 4 (or refer to Figures 1 to 3 and Figures 10 to 11, or refer to Figures 1, 12 and 13), the present invention provides a method for manufacturing a backlight module , Which includes: first, as shown in Fig. 1 and Fig. 2, providing an initial substrate 1a (step S100); then, as shown in Fig. 1 to Fig. 3 (or as shown in Fig. 1, Fig. 2 and Fig. 10, or As shown in Figure 1, Figure 12 and Figure 13), the initial substrate 1a is processed to form a carrier substrate 1 (step S102). The carrier substrate 1 includes at least a light-transmitting body 10 and a top A conductive circuit layer 11 on the surface 1001 and a bottom reflective structure 12 disposed on a bottom surface 1002 of the light-transmitting body 10; then, as shown in FIGS. 1 and 4 (or as shown in FIGS. 1 and 11, or As shown in FIG. 1 and FIG. 14, a plurality of light-emitting elements 20 are arranged on the top surface 1001 of the light-transmitting body 10 (step S104 ), and each light-emitting element 20 is electrically connected to the conductive circuit layer 11.

For example, as shown in FIG. 2 and FIG. 3, in step S102, the bottom reflective structure 12 may be formed by "removing part of the material of the initial substrate 1a" (the material removal method may be, for example, using Grinding or cutting processing, etc.), or formed by "adding additional material on the initial substrate 1a" (the method of adding materials can be, for example, spraying, printing, coating, or semiconductor processing). However, the present invention is not limited to the examples given in this paragraph.

For example, as shown in FIG. 3 and FIG. 10, in step S102, the bottom reflective structure 12 may be formed by "removing part of the material of the initial substrate 1a" (the material removal method may be, for example, using Grinding or cutting processing, etc.), or formed by "adding additional material on the initial substrate 1a" (the method of adding materials can be, for example, spraying, printing, coating, or semiconductor processing). In addition, in step S102, an opaque layer 120 may be covered on the bottom reflective structure 12 through spraying, printing, coating, or semiconductor processing. However, the present invention is not limited to the examples given in this paragraph.

For example, as shown in FIG. 12 and FIG. 13, in step S102, a roughened bottom structure 121 with a roughened surface or a reflective structure with a flat reflective surface is first formed on an opaque layer 120. Then, the bottom surface reflective structure 12 including the opaque layer 120 and the bottom surface roughened structure 121 is disposed on the bottom surface 1002 of the initial substrate 1 a (or the transparent body 10 ). In addition, the bottom surface roughening structure 121 can be formed by "removing part of the material of the opaque layer 120" (the way of removing material can be, for example, by grinding or cutting), or by using "other It is formed by adding part of the material on the opaque layer 120" (the way of adding material can be, for example, spraying, printing, coating, or semiconductor processing). However, the present invention is not limited to the examples given in this paragraph.

[First Embodiment]

Referring to FIG. 3 to FIG. 9, the first embodiment of the present invention provides a backlight module B, which includes: a carrier substrate 1 and a light-emitting unit 2.

Furthermore, as shown in FIGS. 3 to 5, the carrier substrate 1 includes a light-transmitting body 10, a conductive circuit layer 11 disposed on a top surface 1001 of the light-transmitting body 10, and a conductive circuit layer 11 disposed on the light-transmitting body 10. A bottom surface reflective structure 12 on a bottom surface 1002. In addition, the light-emitting unit 2 includes a plurality of light-emitting elements 20 arranged on the top surface 1001 of the light-transmitting body 10, and each light-emitting element 20 is electrically connected to the conductive circuit layer 11.

For example, as shown in FIG. 4 and FIG. 8, the bottom reflective structure 12 may be a bottom surface roughening structure 121 with a roughened surface directly formed on the bottom surface 1002 of the light-transmitting body 10 or a reflective bottom structure with a flat reflective surface. The structure, and the bottom surface roughening structure 121 includes a plurality of bottom end reflective surfaces 1211 successively connected.

For example, as shown in FIGS. 4 and 5, the light-transmitting body 10 can be made of any transparent or light-transmitting insulating material, and the conductive circuit layer 11 including the plurality of conductive parts 110 can be made of any transparent or It is made of light-transmitting conductive material, and the bottom reflective structure 12 can be made of any reflective material. Furthermore, a plurality of phosphor particles (not shown) can be mixed into the bottom surface reflective structure 12 with a certain thickness to form a bottom surface fluorescent layer with a reflective function. In addition, the light-emitting element 20 may be a micro LED chip, which includes at least an n-type conductive layer, a light-emitting layer, and a p-type conductive layer. The n-type conductive layer may be n-type gallium nitride. The material layer or the n-type gallium arsenide material layer, the light-emitting layer may be a multi-quantum well structure layer, and the p-type conductive layer may be a p-type gallium nitride material layer or a p-type gallium arsenide material layer. Furthermore, the light-emitting element 20 may be a sub-millimeter light-emitting diode chip (mini LED chip), which includes at least a base layer, an n-type conductive layer, a light-emitting layer, and a p-type conductive layer. The base layer may be a sapphire base layer. , Quartz base layer, glass base layer or silicon base layer, the n-type conductive layer can be an n-type gallium nitride material layer or an n-type gallium arsenide material layer, the light-emitting layer can be a multi-quantum well structure layer, and a p-type conductive layer It can be a p-type gallium nitride material layer or a p-type gallium arsenide material layer. However, the present invention is not limited to the examples given in this paragraph.

For example, as shown in FIG. 5, each light-emitting element 20 can pass through at least two conductive bodies W1 (such as solder balls) to be electrically connected to the two conductive portions 110 of the conductive circuit layer 11 respectively. Alternatively, as shown in FIG. 6, each light-emitting element 20 can pass through at least two conductive wires W2 to be electrically connected to the two conductive portions 110 of the conductive circuit layer 11 respectively. Alternatively, as shown in FIG. 7, each light-emitting element 20 can pass through at least one conductive body W1 (such as solder paste) and at least one conductive wire W2 to be electrically connected to the two conductive portions 110 of the conductive circuit layer 11 respectively. However, the present invention is not limited to the examples given in this paragraph.

For example, as shown in FIG. 8, each light-emitting element 20 includes a light-emitting layer 201 for generating an initial light source L1 and a light-reflecting layer 202 for reflecting the initial light source L1. Thereby, when the initial light source L1 generated by each light-emitting element 20 passes through the top surface 1001 of the light-transmitting body 10 and is projected onto the bottom reflective structure 12, the initial light source L1 will pass through the bottom reflective structure 12 (or include a plurality of The reflection of the bottom surface roughened structure 121) of the bottom reflective surface 1211 forms a reflective light source L2, and the reflective light source L2 will pass through the top surface 1001 of the light-transmitting body 10 again to form a projection projected to the outside of the light-transmitting body 10. Light source L3. That is to say, an initial light source L1 generated by each light-emitting element 20 can pass through the reflection of the bottom reflective structure 12 (or the bottom roughened structure 121 including a plurality of bottom reflective surfaces 1211) to form a projection to the transmissive light. A projection light source L3 outside the main body 10.

It is worth noting that through the use of the reflective layer 202, the initial light source L1 generated by each light-emitting element 20 can be more effectively projected to the bottom reflective structure 12, and the light loss can be effectively reduced.

It is worth noting that, as shown in FIG. 9, according to different usage requirements, the carrier substrate 1 can further include a top surface reflective structure 13 provided on the top surface 1001 of the light-transmitting body 10. For example, the top surface reflective structure 13 includes a plurality of top surface roughening structures 131 respectively surrounding the plurality of light emitting elements 20, and the top surface roughening structure 131 includes a plurality of top surface reflective surfaces 1310 connected in succession. Furthermore, a plurality of phosphor particles (not shown) can be mixed into the top surface reflective structure 13 with a certain thickness to form a top surface fluorescent layer with a reflective function. Accordingly, when the initial light source L1 generated by each light-emitting element 20 is projected onto the corresponding top surface roughening structure 131 (or the top surface roughening structure 131 including a plurality of top reflective surfaces 1310), and the initial light source L1 Another projection light source L4 projected to the outside of the light-transmitting body 10 can be formed through the reflection of the corresponding top surface roughening structure 131. That is, the initial light source L1 generated by each light-emitting element 20 can also be reflected by the corresponding top surface roughening structure 131 (or the top surface roughening structure 131 including multiple top reflective surfaces 1310), and Another projection light source L4 projected to the outside of the light-transmitting body 10 is formed.

[Second Embodiment]

Referring to FIG. 10 and FIG. 11, a second embodiment of the present invention provides a backlight module B, which includes: a carrier substrate 1 and a light emitting unit 2. From the comparison between FIG. 10 and FIG. 3 and the comparison between FIG. 11 and FIG. 4, it can be seen that the biggest difference between the second embodiment of the present invention and the first embodiment is that: in the second embodiment, the carrier substrate 1 further includes a The light-transmitting layer 120 and the opaque layer 120 are disposed on the bottom surface 1002 of the light-transmitting body 10 to cover the roughened structure 121 on the bottom surface.

Thereby, by using the opaque layer 120, an initial light source (not shown) generated by each light-emitting element 20 can more effectively transmit the reflection of the bottom reflective structure 12 (or the bottom roughened structure 121) , And form a projection light source (not shown) projected to the outside of the light-transmitting body 10 to effectively reduce light loss.

It is worth noting that, similar to the first embodiment, according to different usage requirements, the carrier substrate 1 of the second embodiment can further include a top surface reflective structure ( Picture not shown). Thereby, the initial light source (not shown) generated by each light-emitting element 20 can also pass through the reflection of the top surface reflective structure (not shown) to form another projection light source (not shown) projected to the outside of the light-transmitting body 10 Not shown).

[Third Embodiment]

Referring to FIGS. 12 to 14, a third embodiment of the present invention provides a backlight module B, which includes: a carrier substrate 1 and a light emitting unit 2. From the comparison between FIG. 13 and FIG. 3 and the comparison between FIG. 14 and FIG. 4, it can be seen that the biggest difference between the third embodiment of the present invention and the first embodiment is that: in the third embodiment, the bottom surface reflective structure 12 includes an opaque The light layer 120 and a bottom surface roughening structure 121 with a roughened surface or a light reflecting structure with a flat reflective surface disposed on a surface of the opaque layer 120, and the bottom surface roughening structure 121 is connected to the opaque layer Between the surface of 120 and the bottom surface 1002 of the transparent body 10. For example, the bottom surface roughening structure 121 includes a plurality of bottom reflective surfaces 1211 connected in succession.

Thereby, by using the opaque layer 120, an initial light source (not shown) generated by each light-emitting element 20 can more effectively penetrate the reflection of the bottom roughened structure 121 to form a projection onto the light-transmitting body A projection light source (not shown) outside of 10 to effectively reduce light loss.

It is worth noting that, similar to the first embodiment, according to different usage requirements, the carrier substrate 1 of the third embodiment can further include a top surface reflective structure ( Picture not shown). Thereby, the initial light source (not shown) generated by each light-emitting element 20 can also pass through the reflection of the top surface reflective structure (not shown) to form another projection light source (not shown) projected to the outside of the light-transmitting body 10 Not shown).

[Fourth Embodiment]

Referring to FIG. 15, a fourth embodiment of the present invention provides an image display Z, which includes a display module D and a backlight module B, and the backlight module B is disposed under the display module D to provide a backlight light source L is for display module D.

It is worth noting that the image display Z can use the backlight module B of any one of the first embodiment to the third embodiment, which includes: a carrier substrate 1 and a light-emitting unit 2. For example, the backlight light source L may only have the projection light source L3 (as shown in FIG. 8), or the backlight light source L may include the projection light source L3 and another projection light source L4 (as shown in FIG. 9).

[Beneficial effects of the embodiment]

One of the beneficial effects of the present invention is that the image display Z provided by the present invention can pass through "the carrier substrate 1 includes a light-transmitting body 10 and a bottom reflective structure 12 arranged on a bottom surface 1002 of the light-transmitting body 10." And the “light emitting unit 2 includes a plurality of light emitting elements 20 arranged on the light-transmitting body 10”, so that an initial light source L1 generated by each light emitting element 20 can pass through the reflection of the bottom reflective structure 12 to form a projection A projection light source L3 to the outside of the transparent body 10 is used by the display module D.

Another beneficial effect of the present invention is that the image display Z provided by the present invention can pass through "the carrier substrate 1 includes a top surface reflective structure 13 provided on the top surface 1001 of the light-transmitting body 10" and "top surface reflective The structure 13 includes a technical solution that surrounds a plurality of top surface roughening structures 131" of the plurality of light emitting elements 20, so that an initial light source L1 generated by each light emitting element 20 can pass through the corresponding top surface roughening structure 131 Reflected to form another projection light source L4 projected to the outside of the light-transmitting body 10 for use by the display module D.

The content disclosed above is only the preferred and feasible embodiments of the present invention, and does not limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made using the description and schematic content of the present invention are included in the application of the present invention. Within the scope of the patent.

Z: Video display D: Display module B: Backlight module 1a: Initial substrate 1: Carrier substrate 10: Translucent body 1001: top surface 1002: bottom surface 11: Conductive circuit layer 110: Conductive part 12: Reflective structure on the bottom surface 120: opaque layer 121: Roughened bottom structure 1211: bottom reflective surface 13: Top reflective structure 131: Top surface roughened structure 1310: Top reflective surface 2: Light-emitting unit 20: Light-emitting element 201: Emitting layer 202: reflective layer W1: Conductor W2: Conductive wire L1: Initial light source L2: Reflected light source L3, L4: projection light source L: Backlight light source

FIG. 1 is a flow chart of the manufacturing method of the backlight module of the present invention.

Figure 2 is a schematic side view of the initial substrate of the present invention.

3 is a schematic side view of the supporting substrate of the backlight module according to the first embodiment of the present invention.

4 is a schematic side view of the backlight module according to the first embodiment of the present invention.

Fig. 5 is an enlarged schematic diagram of part IV of Fig. 4.

Fig. 6 is a schematic diagram of another embodiment of Fig. 5.

FIG. 7 is a schematic diagram of another embodiment of FIG. 5.

FIG. 8 is a partial schematic diagram of a backlight module including a bottom reflective structure according to the first embodiment of the present invention.

9 is a partial schematic diagram of the backlight module according to the first embodiment of the present invention including a bottom surface reflective structure and a top surface reflective structure.

FIG. 10 is a schematic side view of the supporting substrate of the backlight module according to the second embodiment of the present invention.

FIG. 11 is a schematic side view of a backlight module according to a second embodiment of the present invention.

12 is a schematic side view of a bottom reflective structure including an opaque layer and a roughened bottom structure according to the third embodiment of the present invention.

FIG. 13 is a schematic side view of a supporting substrate of a backlight module according to a third embodiment of the present invention.

FIG. 14 is a schematic side view of a backlight module according to a third embodiment of the present invention.

Fig. 15 is a schematic diagram of a display device according to a fourth embodiment of the present invention.

Z: Video display

D: Display module

B: Backlight module

L: Backlight light source

Claims (10)

An image display, comprising a display module and a backlight module, the backlight module is arranged below the display module to provide a backlight light source to the display module, characterized in that the backlight module The group includes: A carrier substrate, the carrier substrate comprising a light-transmitting body, a conductive circuit layer arranged on a top surface of the light-transmitting body, and a bottom surface reflective structure arranged on a bottom surface of the light-transmitting body; and A light-emitting unit, the light-emitting unit includes a plurality of light-emitting elements arranged on the top surface of the light-transmitting body, each of the light-emitting elements is electrically connected to the conductive circuit layer; Wherein, an initial light source generated by each of the light-emitting elements passes through the top surface of the light-transmitting body and is projected onto the bottom reflective structure, and the initial light source is reflected by the bottom reflective structure to form a A reflective light source, and the reflective light source passes through the top surface of the light-transmitting body again to form a projection light source projected to the outside of the light-transmitting body. The image display according to the first item of the scope of patent application, wherein the bottom surface reflective structure is a bottom surface roughened structure directly formed on the bottom surface of the light-transmitting body or a reflective structure with a flat reflective surface, And the bottom surface roughening structure includes a plurality of bottom end light-reflecting surfaces that are successively connected; wherein, the carrier substrate further includes an opaque layer, and the opaque layer is disposed on the light-transmitting body. The bottom surface is to cover the bottom surface roughened structure; wherein, the carrier substrate includes a top surface reflective structure disposed on the top surface of the light-transmitting body, and the top surface reflective structure includes a plurality of The light-emitting element has a plurality of roughened top surface structures, and the roughened top surface structure includes a plurality of top reflective surfaces that are successively connected; wherein, the initial light source generated by each of the light-emitting elements is projected onto the phase Corresponding to the top surface roughened structure, and the initial light source transmits through the reflection of the corresponding top surface roughened structure to form another projection light source projected to the outside of the light-transmitting body. The image display according to the first item of the scope of patent application, wherein the bottom reflective structure includes an opaque layer and a roughened bottom structure or a flat reflective structure provided on a surface of the opaque layer The bottom surface roughened structure is connected between the surface of the opaque layer and the bottom surface of the light-transmitting body, and the bottom surface roughened structure includes successively connected multiple A bottom reflective surface; wherein the carrier substrate includes a top surface reflective structure disposed on the top surface of the light-transmitting body, and the top surface reflective structure includes a plurality of A roughened top surface structure, and the roughened top surface structure includes a plurality of top reflective surfaces connected in succession; wherein, the initial light source generated by each of the light-emitting elements is projected onto the corresponding top surface A roughened structure, and the initial light source transmits the reflection of the corresponding roughened top surface structure to form another projection light source projected to the outside of the light-transmitting body. The image display according to the first item of the patent application, wherein each of the light-emitting elements is electrically connected to the conductive circuit layer through a conductive body or a conductive wire, and each of the light-emitting elements includes a method for generating the A light-emitting layer of the original light source and a light-reflecting layer for reflecting the original light source; wherein the carrier substrate includes a top surface reflective structure arranged on the top surface of the light-transmitting body, and the top surface The light-reflecting structure includes a plurality of top surface roughening structures respectively surrounding a plurality of the light-emitting elements, and the top surface roughening structure includes a plurality of top light-reflecting surfaces connected successively; wherein, each light-emitting element generates The initial light source is projected to the corresponding roughened top surface structure, and the initial light source is reflected by the corresponding roughened top surface structure to form another projection projected to the outside of the light-transmitting body A light source; wherein a plurality of fluorescent powder particles are mixed into the bottom reflective structure to form a bottom fluorescent layer with a reflective function, and a plurality of fluorescent powder particles are mixed into the top reflective structure to form A top fluorescent layer with reflective function. An image display, comprising a display module and a backlight module, the backlight module is arranged below the display module to provide a backlight light source to the display module, characterized in that the backlight module The group includes: A carrier substrate, the carrier substrate comprising a light-transmitting body, a conductive circuit layer arranged on a top surface of the light-transmitting body, and a bottom surface reflective structure arranged on a bottom surface of the light-transmitting body; and A light-emitting unit, the light-emitting unit includes a plurality of light-emitting elements, each of the light-emitting elements is electrically connected to the conductive circuit layer; Wherein, an initial light source generated by each of the light-emitting elements is reflected by the bottom reflective structure to form a projection light source projected to the outside of the light-transmitting body. According to the image display according to item 5 of the scope of patent application, wherein the bottom surface reflective structure is a bottom surface roughened structure directly formed on the bottom surface of the light-transmitting body or a reflective structure with a flat reflective surface, Moreover, the bottom surface roughening structure includes a plurality of bottom end light-reflecting surfaces that are successively connected; wherein, the carrier substrate further includes an opaque layer, and the opaque layer is disposed on the light-transmitting body. On the bottom surface to cover the bottom surface roughened structure; wherein, the carrier substrate includes a top surface reflective structure provided on the top surface of the light-transmitting body, and the top surface reflective structure includes a plurality of The light-emitting element has a plurality of roughened top surface structures, and the roughened top surface structure includes a plurality of top light-reflecting surfaces connected successively; wherein, the initial light source generated by each light-emitting element transmits through a corresponding The reflection of the roughened structure on the top surface forms another projection light source projected to the outside of the light-transmitting body. The image display device according to item 5 of the scope of patent application, wherein the bottom reflective structure includes an opaque layer and a roughened bottom structure or a flat reflective layer disposed on a surface of the opaque layer The bottom surface roughened structure is connected between the surface of the opaque layer and the bottom surface of the light-transmitting body, and the bottom surface roughened structure includes successively connected multiple A bottom reflective surface; wherein the carrier substrate includes a top surface reflective structure disposed on the top surface of the light-transmitting body, and the top surface reflective structure includes a plurality of A roughened top surface structure, and the roughened top surface structure includes a plurality of top reflective surfaces that are successively connected; wherein the initial light source generated by each light-emitting element transmits through the corresponding rough top surface The reflection of the chemical structure forms another projection light source projected to the outside of the light-transmitting body. The image display according to the fifth item of the scope of patent application, wherein each of the light-emitting elements is electrically connected to the conductive circuit layer through a conductive body or a conductive wire, and each of the light-emitting elements includes a method for generating the A light-emitting layer of the original light source and a light-reflecting layer for reflecting the original light source; wherein the carrier substrate includes a top surface reflective structure disposed on the top surface of the light-transmitting body, and the top surface The light-reflecting structure includes a plurality of top surface roughening structures respectively surrounding a plurality of the light-emitting elements, and the top-surface roughening structure includes a plurality of top light-reflecting surfaces connected successively; wherein, each light-emitting element generates The initial light source transmits the reflection of the corresponding roughened top surface to form another projection light source projected to the outside of the light-transmitting body; wherein a plurality of phosphor particles are mixed into the bottom surface reflective structure , To form a bottom surface fluorescent layer with reflective function, and a plurality of phosphor particles are mixed into the top surface reflective structure to form a top surface fluorescent layer with reflective function. An image display, comprising a display module and a backlight module, the backlight module is arranged below the display module to provide a backlight light source to the display module, characterized in that the backlight module The group includes: A carrier substrate, the carrier substrate comprising a light-transmitting body and a bottom surface reflective structure provided on a bottom surface of the light-transmitting body; and A light-emitting unit, the light-emitting unit comprising a plurality of light-emitting elements arranged on the light-transmitting body; Wherein, an initial light source generated by each of the light-emitting elements is reflected by the bottom reflective structure to form a projection light source projected to the outside of the light-transmitting body. The image display according to claim 9, wherein each of the light-emitting elements includes a light-emitting layer for generating the initial light source and a reflective layer for reflecting the initial light source; wherein, the The carrier substrate includes a top surface reflective structure provided on a top surface of the light-transmitting body, the top surface reflective structure includes a plurality of top surface roughened structures respectively surrounding a plurality of the light emitting elements, and the top surface The roughened surface structure includes a plurality of top reflective surfaces that are successively connected; wherein the initial light source generated by each of the light-emitting elements passes through the reflection of the corresponding roughened top surface to form a projection onto the transparent surface. Another projection light source outside the light body; wherein a plurality of phosphor particles are mixed into the bottom surface reflective structure to form a bottom surface fluorescent layer with a reflective function, and the top surface reflective structure is mixed into more Phosphor particles to form a top surface phosphor layer with reflective function.

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