High-brightness backlight module and display equipment

Abstract

The utility model relates to the technical field of backlight display, and provides a high-brightness backlight module and display device.The high-brightness backlight module comprises a substrate, a light-emitting unit and a light-reflecting base, the light-reflecting base and the light-emitting unit are both fixedly arranged on the substrate, and the light-reflecting base wraps the periphery of the bottom of the light-emitting unit; the reflective base is provided with an arc-shaped groove, the bottom of the light-emitting unit abuts against the arc-shaped groove, a through hole is further formed in the arc-shaped groove, and the light-emitting unit is electrically connected with the substrate at the position of the through hole. The reflective base is arranged between the light-emitting chip and the substrate, so that the light emitted by the light-emitting chip to the substrate can be reflected to the light-emitting front surface by the reflective base, the light loss is reduced, the display brightness is improved, and the problem that in the prior art, part of the light emitted by the light-emitting unit is refracted to the substrate and absorbed by the substrate, and the display effect is poor is solved. Therefore, the light emitted by the light-emitting unit cannot be fully utilized, the light-emitting efficiency of the light-emitting unit is reduced, and the display brightness is also reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of backlight display, more particularly to a high-brightness backlight module and display device. BACKGROUND

[0002] Light emitting diode (LED) is a kind of semiconductor diode, which can convert electrical energy into light energy. LED has low working voltage, small working current, good impact resistance and shock resistance, high reliability, long service life, and can easily modulate the intensity of light emission by modulating the current intensity. LED backlight technology is a kind of backlight technology using light emitting diode (LED) as light source, which is widely used in liquid crystal display (LCD) and television screens.

[0003] The current display device has a complex light propagation path, part of the light emitted by the light emitting unit is refracted onto the substrate and absorbed by the substrate, resulting in that the light emitted by the light emitting unit cannot be fully utilized, which not only reduces the light emitting efficiency of the light emitting unit, but also reduces the brightness of the display device. UTILITY MODEL CONTENT

[0004] The purpose of the present application is to provide a high-brightness backlight module and display device to solve the problem that in the prior art, part of the light emitted by the light emitting unit is refracted onto the substrate and absorbed by the substrate, resulting in that the light emitted by the light emitting unit cannot be fully utilized, which not only reduces the light emitting efficiency of the light emitting unit, but also reduces the display brightness.

[0005] Therefore, in a first aspect, the present application provides a high-brightness backlight module, comprising: a substrate, a light emitting unit and a light reflecting base, the light reflecting base and the light emitting unit are fixedly arranged on the substrate, and the light reflecting base is wrapped around the bottom of the light emitting unit; the light reflecting base has an arc-shaped groove, the bottom of the light emitting unit abuts against the arc-shaped groove, a through hole is further arranged in the arc-shaped groove, and the light emitting unit is electrically connected with the substrate at the through hole.

[0006] In the high-brightness backlight module provided in the above-mentioned scheme, the light reflecting base comprises a metal-based reflecting layer and / or a non-metal-based reflecting layer.

[0007] In the high-brightness backlight module provided in the above-mentioned scheme, the light reflecting base is a rectangle with one open side, the arc-shaped groove is arranged at the opening, and the through hole is located at the lowest point of the arc-shaped groove.

[0008] In the high-brightness backlight module provided in the above-mentioned scheme, the light emitting unit comprises: an LED chip and a lens layer, and the lens layer is wrapped around the LED chip.

[0009] The high-brightness backlight module provided in the scheme has the following beneficial effects: the light-emitting unit further comprises a fluorescent layer, which is covered on the lens layer; a diffusion layer, which is covered on the fluorescent layer; and a reflective layer, which is covered on the diffusion layer.

[0010] The high-brightness backlight module provided in the scheme has the following beneficial effects: the outer surface of the lens layer is a curved surface with an arc line.

[0011] The high-brightness backlight module provided in the scheme has the following beneficial effects: the curved surface comprises a first arc surface and a second arc surface, the first arc surface is connected with the second arc surface, and a concave valley structure is formed at the connection position.

[0012] The high-brightness backlight module provided in the scheme has the following beneficial effects: the curved surface further comprises a first vertical surface and a second vertical surface, the first vertical surface is connected with the first arc surface, and the second vertical surface is connected with the second arc surface.

[0013] The high-brightness backlight module provided in the scheme has the following beneficial effects: the lens layer covers the LED chip, the fluorescent layer, the diffusion layer and the reflective layer without any gap.

[0014] In a second aspect, the application provides a display device, which comprises the high-brightness backlight module described above.

[0015] The high-brightness backlight module provided in the application has the following beneficial effects: in the scheme, the light-reflection base is arranged between the light-emitting chip and the substrate, so that the light emitted by the light-emitting chip and directed to the substrate can be reflected to the light-emitting front surface by the light-reflection base, thereby reducing the loss of light and improving the display brightness. The technical problem in the prior art that part of the light emitted by the light-emitting unit is refracted to the substrate and absorbed by the substrate, so that the light emitted by the light-emitting unit cannot be fully utilized, thereby reducing the light-emitting efficiency of the light-emitting unit and the display brightness, is solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0017] Figure 1 The cross-sectional structure schematic diagram of the high-brightness backlight module provided in an embodiment of the application is shown in the figure.

[0018] Figure 2 The cross-sectional structure schematic diagram of the light-reflection base provided in an embodiment of the application is shown in the figure.

[0019] Figure 3 The structure schematic diagram of the light-emitting unit provided in an embodiment of the application is shown in the figure.

[0020] Figure 4 The schematic diagram of the outer shape structure of the lens layer provided by an embodiment of the present application is shown in the figure.

[0021] In the figure, the reference signs are as follows:

[0022] 1, substrate; 2, light emitting unit; 3, light reflecting base; 21, LED chip; 22, fluorescent layer; 23, diffusion layer; 24, reflecting layer; 25, lens layer; 31, arc-shaped groove; 32, through hole; 251, first arc surface; 252, second arc surface; 253, concave wave valley structure; 254, first vertical surface; 255, second vertical surface. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in combination with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0024] It should be noted that when a component is referred to as "fixed to" or "disposed on" another component, it can be directly or indirectly on the other component. When a component is referred to as "connected to" another component, it can be directly or indirectly connected to the other component. The terms "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or position based on the orientation or position shown in the drawings, and are only for the convenience of description, and cannot be understood as a limitation on the technical solutions. The terms "first", "second" are only for the convenience of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0025] CSP (Chip Scale Package) technology is an advanced semiconductor packaging technology that allows the size of the packaged chip to be close to or equal to the size of the bare chip, greatly reducing the volume of the package. CSP technology exhibits its unique advantages in many aspects. The development of CSP technology is of great significance to the progress of the semiconductor packaging industry, which not only improves the performance of electronic products, but also provides the possibility for designing smaller and more efficient electronic systems.

[0026] Light Emitting Diode (LED) is a kind of semiconductor diode, which can convert electrical energy into light energy. The working voltage of LED is low, the working current is small, the anti-impact and anti-vibration performance is good, the reliability is high, the service life is long, and the light intensity can be easily modulated by modulating the current intensity. LED backlight technology is a backlight technology using light emitting diode (LED) as a light source, which is widely used in liquid crystal display (LCD) and television screens.

[0027] LED display chip is more and more using CSP packaging technology, which makes the size of LED close to the size of the chip itself, which helps to realize the miniaturization of LED products.

[0028] The existing display device, due to the complex propagation path of light, part of the light emitted by the light emitting unit is refracted to the substrate and absorbed by the substrate, resulting in that the light emitted by the light emitting unit cannot be fully utilized, which not only reduces the light emitting efficiency of the light emitting unit, but also reduces the brightness of the display device.

[0029] Therefore, the embodiment of the present application provides a high-brightness backlight module, as shown in Figures 1-4 The high-brightness backlight module comprises a substrate 1, a light emitting unit 2 and a light-reflecting base 3, the light-reflecting base 3 and the light emitting unit 2 are fixedly arranged on the substrate 1, and the light-reflecting base 3 is wrapped around the bottom of the light emitting unit 2; the light-reflecting base 3 has an arc-shaped groove, the bottom of the light emitting unit 2 abuts against the arc-shaped groove, a through hole is further arranged in the arc-shaped groove, and the light emitting unit 2 is electrically connected with the substrate 1 at the through hole.

[0030] Specifically, in the embodiment, the substrate 1 has a light emitting circuit, the light emitting unit 2 is electrically connected with the light emitting circuit, and the light emitting unit 2 emits light through the driving of the light emitting circuit. The light-reflecting base 3 is wrapped around the bottom of the light emitting unit 2, which can reflect the light projected by the light emitting unit 2 to the front surface of the light emitting unit 2, reduce the light loss caused by the absorption of the light by the substrate 1, improve the light emitting efficiency of the light emitting unit 2, and improve the display brightness without increasing the number of light emitting units 2.

[0031] The light-reflecting base 3 can be matched with the light emitting unit 2, and one light-reflecting base 3 is matched with one light emitting unit 2. The light-reflecting base 3 has an arc-shaped groove, the bottom of the light emitting unit 2 is arranged in the arc-shaped groove, and the top of the light emitting unit 2 is the front surface of the light emitting unit 2. The light emitting unit 2 abuts against the arc-shaped groove of the light-reflecting base 3, the arc-shaped groove can provide support for the light emitting unit 2, the arc-shaped groove can be matched according to the external contour of the light emitting unit 2, and the shape can be circular or elliptical, which is not limited in the embodiment.

[0032] In an embodiment, the light-reflecting base 3 can also be provided with a rectangular groove, a polygonal groove or a special-shaped groove to meet the assembly requirements of the light-emitting unit 2.

[0033] A through hole is also formed in the arc-shaped groove to facilitate the electrical connection between the light-emitting unit 2 and the substrate 1. The through hole can be located at the lowest point of the arc-shaped groove to enable the light-emitting unit 2 to be directly connected to the substrate 1.

[0034] Compared with the prior art, the light-reflecting base 3 is arranged between the light-emitting chip and the substrate 1, so that the light emitted by the light-emitting chip towards the substrate 1 can be reflected by the light-reflecting base 3 to the light-emitting front face, reducing the loss of light and improving the display brightness. The technical problem that in the prior art, part of the light emitted by the light-emitting unit 2 is refracted onto the substrate 1 and absorbed by the substrate 1, resulting in that the light emitted by the light-emitting unit 2 cannot be fully utilized, which not only reduces the light-emitting efficiency of the light-emitting unit 2, but also reduces the display brightness, is solved.

[0035] In an embodiment, the light-reflecting base 3 comprises a metal-based reflective layer 24 and / or a non-metal-based reflective layer 24.

[0036] Specifically, in the embodiment, the light-reflecting layer 24 comprises one or more combinations of, but not limited to, a non-metal-based light-reflecting layer 24 and a metal-based light-reflecting layer 24. The non-metal-based light-reflecting layer 24 is non-conductive, which comprises one or more combinations of, but not limited to, a Bragg reflective layer 24 (DBR) and a total reflective layer 24 (ODR); the metal-based light-reflecting layer 24 is conductive, which comprises one or more combinations of, but not limited to, Cu, Sn, Au, Pb, Al, Ag, Ni, Ti, W, Pt, Pd and alloys thereof.

[0037] In an embodiment, the light-reflecting base 3 is a cuboid with one open side, the arc-shaped groove is arranged at the open side, and the through hole is located at the lowest point of the arc-shaped groove.

[0038] Specifically, in the embodiment, the light-reflecting base 3 has a cuboid shape, preferably a square or rectangular cuboid shape. The bottom of the light-reflecting base 3 is fixed to the substrate 1, the top of the light-reflecting base 3 is provided with an opening, the arc-shaped groove is arranged at the opening, the opening is the opening of the arc-shaped groove, the light-emitting unit 2 is arranged at the opening and abuts against the arc-shaped groove, so that the light-emitting unit 2 is stably fixed in the arc-shaped groove. The bottom of the light-emitting unit 2 also maintains an electrical connection relationship with the substrate 1. In order to facilitate the electrical connection between the light-emitting unit 2 and the substrate 1, a through hole can be formed in the light-reflecting base 3, which is used for wire passing or avoiding the connection between the light-emitting unit 2 and the substrate 1. In an example, the through hole is located at the lowest point of the arc-shaped groove, so that the connection line between the light-emitting unit 2 and the substrate 1 is the shortest, saving cost.

[0039] In an embodiment, the light emitting unit 2 comprises: an LED chip 21 and a lens layer 25, the lens layer 25 being wrapped around the LED chip 21.

[0040] Specifically, in the embodiment, the LED chip 21 can be packaged with the lens layer 25 by CSP packaging technology. The shape of the lens layer 25 can be reasonably set according to the light diffusion effect. The lens layer 25 can be wrapped around the LED chip 21 without gaps. The lens layer 25 can diffuse and propagate the light emitted by the LED chip 21.

[0041] In an embodiment, the light emitting unit 2 further comprises: a fluorescent layer 22, covering the lens layer 25; a diffusion layer 23, covering the fluorescent layer 22; and a reflective layer 24, covering the diffusion layer 23.

[0042] Specifically, in the embodiment, the light emitting unit 2 further comprises the fluorescent layer 22, the diffusion layer 23 and the reflective layer 24. The surface of the lens layer 25 is provided with the fluorescent layer 22, which can completely cover the lens layer 25, the surface of the fluorescent layer 22 is provided with the diffusion layer 23, and the surface of the diffusion layer 23 is provided with the reflective layer 24.

[0043] Part of the light emitted by the LED chip 21 is refracted and then transmitted through the lens layer 25, the fluorescent layer 22, the diffusion layer 23 and the reflective layer 24 from the front of the LED chip 21; while the other part of the light is refracted back to the lens layer 25 by the fluorescent layer 22, the diffusion layer 23 and the reflective layer 24, and directly emitted from the side of the LED chip 21. After multiple refraction and reflection, the light emitted by the LED chip 21 is uniformly diffused outward.

[0044] In an embodiment, the outer surface of the lens layer 25 is a curved surface with an arc line. The curved surface comprises a first arc surface 251 and a second arc surface 252, the first arc surface 251 is connected with the second arc surface 252, and a concave valley structure 253 is formed at the connection. In an embodiment, the curved surface further comprises a first vertical surface 254 and a second vertical surface 255, the first vertical surface 254 is connected with the first arc surface 251, and the second vertical surface 255 is connected with the second arc surface 252.

[0045] Specifically, in the embodiment, the outer surface of the lens layer 25 comprises a first arc surface 251 and a second arc surface 252, the first arc surface 251 and the second arc surface 252 can be integrally formed, and the surfaces of the two can be provided as circular arcs. Therefore, the first arc surface 251 and the second arc surface 252 are connected to form a concave valley structure 253, and the light emitting unit 2 is arranged inside the lens layer 25 and located at the middle position of the concave valley structure 253. The lens layer 25 forms two convex lens structures on both sides of the light emitting unit 2, so that the beam angle of the light emitting unit 2 can be further opened by the first arc surface 251 and the second arc surface 252, and the backlight module has a larger light emitting angle.

[0046] In an embodiment, the lens layer 25 covers the LED chip 21 without gaps.

[0047] Specifically, in the embodiment, the lens layer 25 covers the LED chip 21 without gaps, and the lens layer 25 is combined with the LED chip 21 without gaps, so that the light emitting unit 2 has sufficient light emitting angle, the half strong angle in one direction is more than 160 degrees, and the uniform diffusion of light is facilitated.

[0048] In addition, the embodiment of the application further provides a display device comprising the high-brightness backlight module as described above.

[0049] Specifically, in the embodiment, the display device can comprise a housing and the high-brightness backlight module as described above, and the backlight module is fixedly arranged on the housing. The high-brightness backlight module comprises a substrate 1, a light emitting unit 2, and a light-reflecting base 3, the light-reflecting base 3 and the light emitting unit 2 are both fixedly arranged on the substrate 1, and the light-reflecting base 3 covers around the bottom of the light emitting unit 2; the light-reflecting base 3 has an arc-shaped groove, the bottom of the light emitting unit 2 abuts against the arc-shaped groove, a through hole is further arranged in the arc-shaped groove, and the light emitting unit 2 is electrically connected with the substrate 1 at the through hole.

[0050] The substrate 1 has a light emitting circuit, the light emitting unit 2 is electrically connected with the light emitting circuit, and the light emitting unit 2 emits light through the driving of the light emitting circuit. The light-reflecting base 3 covers around the bottom of the light emitting unit 2, can reflect the light emitted by the light emitting unit 2 to the front surface of the light emitting unit 2, reduces the light loss caused by the absorption of the light by the substrate 1, improves the light emitting efficiency of the light emitting unit 2, and improves the display brightness without increasing the number of the light emitting units 2.

[0051] The light-reflecting base 3 can be matched with the light-emitting unit 2, and one light-emitting unit 2 is equipped with one light-reflecting base 3. The light-reflecting base 3 has an arc-shaped groove, the bottom of the light-emitting unit 2 is arranged in the arc-shaped groove, and the top of the light-emitting unit 2 is a light-emitting front face. The light-emitting unit 2 is in abutment with the arc-shaped groove of the light-reflecting base 3, the arc-shaped groove can provide support for the light-emitting unit 2, and the arc-shaped groove can be matched according to the external contour of the light-emitting unit 2, and the shape can be circular or elliptical, which is not limited in the embodiment.

[0052] The light-reflecting base 3 can also be provided with a rectangular groove, a polygonal groove or a special-shaped groove to meet the assembly needs of the light-emitting unit 2.

[0053] A through hole is also provided in the arc-shaped groove to facilitate electrical connection of the light-emitting unit 2 and the substrate 1. The position of the through hole can be arranged at the lowest point of the arc-shaped groove to enable direct contact connection between the light-emitting unit 2 and the substrate 1.

[0054] The light-reflecting base 3 includes a metal-based reflective layer 24 and / or a non-metal-based reflective layer 24. The light-reflecting layer 24 includes but is not limited to one or more combinations of a non-metal-based light-reflecting layer 24 and a metal-based light-reflecting layer 24. The non-metal-based light-reflecting layer 24 is non-conductive, including but not limited to one or more combinations of a Bragg reflector 24 (DBR) and a total reflector 24 (ODR); the metal-based light-reflecting layer 24 is conductive, including but not limited to one or more combinations of Cu, Sn, Au, Pb, Al, Ag, Ni, Ti, W, Pt, Pd and alloys thereof.

[0055] The light-reflecting base 3 has a cuboid shape, preferably a square or rectangular shape. The bottom of the light-reflecting base 3 is fixed on the substrate 1, the top of the light-reflecting base 3 is provided with an opening, the arc-shaped groove is arranged at the opening, the opening is the opening of the arc-shaped groove, the light-emitting unit 2 is arranged at the opening and in abutment with the arc-shaped groove, so that the light-emitting unit 2 is stably fixed in the arc-shaped groove. The bottom of the light-emitting unit 2 also maintains an electrical connection relationship with the substrate 1. In order to facilitate electrical connection of the light-emitting unit 2 and the substrate 1, a through hole can be provided on the light-reflecting base 3, which is used for wire passing or avoiding the connection between the light-emitting unit 2 and the substrate 1. In an example, the through hole is located at the lowest point of the arc-shaped groove to make the connection line between the light-emitting unit 2 and the substrate 1 the shortest, thereby saving cost.

[0056] The light-emitting unit 2 includes an LED chip 21 and a lens layer 25, and the lens layer 25 is wrapped around the LED chip 21. The LED chip 21 can be packaged with the lens layer 25 by CSP packaging technology. The shape of the lens layer 25 can be reasonably set according to the light diffusion effect. The lens layer 25 can be wrapped around the LED chip 21 without gap. The lens layer 25 can diffuse and propagate the light emitted by the LED chip 21.

[0057] The light emitting unit 2 can further include a fluorescent layer 22, a diffusion layer 23 and a reflective layer 24. The lens layer 25 is provided with the fluorescent layer 22, the fluorescent layer 22 can completely cover the lens layer 25, the diffusion layer 23 is provided on the surface of the fluorescent layer 22, and the reflective layer 24 is provided on the surface of the diffusion layer 23.

[0058] Part of the light emitted by the LED chip 21 is refracted and then emitted from the front of the LED chip 21 through the lens layer 25, the fluorescent layer 22, the diffusion layer 23 and the reflective layer 24 in turn; and the other part of the light is refracted back to the lens layer 25 by the fluorescent layer 22, the diffusion layer 23 and the reflective layer 24, and is directly emitted from the side of the LED chip 21. Through multiple refraction and reflection, the light emitted by the LED chip 21 is uniformly diffused outward.

[0059] The outer surface of the lens layer 25 includes a first arc surface 251 and a second arc surface 252, the first arc surface 251 and the second arc surface 252 can be integrally formed, and the surfaces of the two can be provided in a circular arc shape. Therefore, the first arc surface 251 and the second arc surface 252 are connected to form a concave valley structure 253, and the light emitting unit 2 is arranged inside the lens layer 25 and located at the middle position of the concave valley structure 253. The lens layer 25 forms two convex lens structures on both sides of the light emitting unit 2, so that the beam angle of the light emitting unit 2 can be further opened through the first arc surface 251 and the second arc surface 252, and the backlight module has a larger light emitting angle.

[0060] The lens layer 25 can cover the LED chip 21 without gaps, and the lens layer 25 is combined with the LED chip 21 without gaps, so that the light emitting unit 2 has sufficient light emitting angle, and the half strong angle in one direction can be more than 160 degrees, which is beneficial to the uniform diffusion of light.

[0061] The display device provided in the embodiment is provided with the light reflecting base 3 between the light emitting chip and the substrate 1, so that the light emitted by the light emitting chip and directed to the substrate 1 can be reflected to the light emitting front by the light reflecting base 3, the loss of light is reduced, the display brightness is improved, and the technical problem that the light emitted by the light emitting unit 2 is partially refracted to the substrate 1 and absorbed by the substrate 1, so that the light emitted by the light emitting unit 2 cannot be fully utilized, the light emitting efficiency of the light emitting unit 2 is reduced, and the display brightness is reduced is solved.

[0062] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A high-brightness backlight module, characterized in that, The application relates to a high-brightness backlight module. The high-brightness backlight module comprises a substrate, a light-emitting unit and a light-reflecting base, wherein the light-reflecting base and the light-emitting unit are fixedly arranged on the substrate, and the light-reflecting base is wrapped around the bottom of the light-emitting unit. The light-reflecting base has an arc-shaped groove, the bottom of the light-emitting unit abuts against the arc-shaped groove, and a through hole is arranged in the arc-shaped groove, and the light-emitting unit and the substrate are electrically connected at the through hole.

2. The high-brightness backlight module of claim 1, wherein, The light-reflecting base comprises a metal-based reflecting layer and / or a non-metal-based reflecting layer.

3. The high-brightness backlight module of claim 1, wherein, The light-reflecting base is a rectangular with one open side, the arc-shaped groove is arranged at the open side, and the through hole is located at the lowest point of the arc-shaped groove.

4. The high-brightness backlight module of claim 1, wherein, The light-emitting unit comprises an LED chip and a lens layer, and the lens layer is wrapped around the LED chip.

5. The high-brightness backlight module of claim 4, wherein, The light-emitting unit further comprises: a fluorescent layer, which is arranged on the lens layer; a diffusion layer, which is arranged on the fluorescent layer; a reflecting layer, which is arranged on the diffusion layer.

6. The high-brightness backlight module of claim 5, wherein, The outer surface of the lens layer is a curved surface with an arc line.

7. The high-brightness backlight module of claim 6, wherein, The curved surface comprises a first arc surface and a second arc surface, the first arc surface is connected with the second arc surface, and a concave wave valley structure is formed at the connecting position.

8. The high-brightness backlight module of claim 7, wherein, The curved surface further comprises a first vertical surface and a second vertical surface, the first vertical surface is connected with the first arc surface, and the second vertical surface is connected with the second arc surface.

9. The high-brightness backlight module of any one of claims 5-8, wherein, The lens layer is wrapped around the LED chip, the fluorescent layer, the diffusion layer and the reflecting layer without any gap.

10. A display device, characterized by The application further discloses a high-brightness backlight module comprising any one of the above-mentioned high-brightness backlight modules.

Images