CN113251392A

CN113251392A - Automobile glass window with dynamic pattern luminescence

Info

Publication number: CN113251392A
Application number: CN202110585265.2A
Authority: CN
Inventors: 陈润华
Original assignee: Kang Haibo
Current assignee: Guangzhou Runhua Auto Parts Co.,Ltd.
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-08-13

Abstract

The invention relates to the technical field of semiconductor lighting, in particular to an automobile glass window with dynamic pattern luminescence. A dynamic pattern luminous automobile glass window comprises a transparent plate, an adhesive layer and a conductive film layer, wherein one side of the adhesive layer is fixed with the transparent plate, and the other side of the adhesive layer is fixed with the conductive film layer; the light source is characterized by also comprising a light source, a packaging adhesive layer, a transparent protective layer and an optical micro-structural layer, wherein one end of the light source is jointed and electrically connected with the conductive film layer, the other end of the light source is a light-emitting end, and the optical micro-structural layer is arranged at the light-emitting end of the light source; one side of the packaging adhesive layer is fixed with the conductive film layer, the other side of the packaging adhesive layer is fixed with the transparent protective layer, and the light source and the optical microstructure layer are both positioned in the packaging adhesive layer; the control module is electrically connected with the conductive film layer. The invention can effectively solve the problem of monotonous and insufficient individuation of a single pattern and can better improve the riding experience effect; and the structure and the style are simple, the production is stable, the process flow is simple, and the mass production is convenient.

Description

Automobile glass window with dynamic pattern luminescence

Technical Field

The invention relates to the technical field of semiconductor lighting, in particular to an automobile glass window with dynamic pattern luminescence.

Background

In the prior art, a common luminescent glass window is composed of glass, a light guide layer, a refraction layer and a light source, for example, in patent document CN201310484698.4, a light guide scheme is adopted, and light is emitted from the light source through coupling, entering the light guide layer, then breaking the ring and totally reflecting by refraction points, so that a luminescent effect is achieved. For example, patent document CN201710583261.4 discloses the solution is also a photoconductive solution.

The two technical schemes adopt a light guide light-emitting scheme, and patterns of the light guide light-emitting scheme cannot be edited and controlled by a program; because the light guide stroke is long, the brightness difference between the middle part and the two sides of the light-emitting surface of the light guide layer is large, and the visual effect is not ideal enough; due to the development requirement of the intelligent automobile, the light products need OTA on-line updating and upgrading in the future development, and the light guide light emitting scheme cannot meet the multi-dynamic updating requirement and is difficult to meet the requirements of young consumers.

Disclosure of Invention

The present invention has been made to solve the above-mentioned problems at least to some extent, and an object of the present invention is to provide a dynamic pattern light-emitting glass window for an automobile, which has a simple structure and is light-weight, capable of emitting light with multiple dynamic patterns and capable of editing patterns.

The technical scheme of the invention is as follows: a dynamic pattern luminous automobile glass window comprises a transparent plate, an adhesive layer and a conductive film layer. One side of the bonding layer is fixed with the transparent plate, and the other side of the bonding layer is fixed with the conductive film layer;

the light source is characterized by further comprising a light source, a packaging adhesive layer, a transparent protective layer and an optical micro-structural layer, wherein one end of the light source is connected and electrically connected with the conductive film layer, the other end of the light source is a light emitting end, and the optical micro-structural layer is arranged at the light emitting end of the light source;

one side of the packaging adhesive layer is fixed with the conductive film layer, the other side of the packaging adhesive layer is fixed with the transparent protective layer, and the light source and the optical microstructure layer are both positioned in the packaging adhesive layer; the control module is electrically connected with the conductive film layer. The control module controls the switch of the light source to realize various patterning.

Furthermore, the light sources are granular and the number of the light sources is multiple, and the light sources are distributed in an array manner.

Further, the light source is a positive emitting MINI-LED or MICRO-LED having length and width dimensions less than 1 mm. The light source can be fixed through a die bonding process, then welded on the conducting circuit through a low-temperature tin furnace or fixed through the die bonding process, and then packaged and cured on the conducting circuit through the conducting glue.

Further, the transparent plate is made of a transparent material with high strength, the transparent plate is made of tempered glass or a sheet made of one or more of transparent materials such as polymethyl methacrylate (pmma), Polystyrene (Polystyrene), Polycarbonate (Polycarbonate), polyethylene (polyethylene) and the like, and the sheet is of a single-sheet structure or a double-sheet composite sheet structure so as to improve safety performance.

Furthermore, the adhesive layer plays a role in adhering and fixing the conductive film layer, the light source, the optical microstructure layer, the transparent protective layer and the packaging adhesive layer, and is made of colorless and transparent materials such as polyvinyl butyral or thermoplastic polyurethane elastomer rubber.

Furthermore, the conductive film layer is a conductive transparent film made of transparent polyethylene terephthalate or transparent polyimide film material as a base material, and a tiny conductive circuit is manufactured through processes of surface laser lithography, laser etching, printing or embedding and the like to achieve circuit connection.

Furthermore, the optical MICRO-structure layer is an optical MICRO-lens structure arranged on the light-emitting surface of the MINI-LED or MICRO-LED light-emitting end, and has the effects of light equalization and light shape and angle adjustment.

Furthermore, the packaging adhesive layer is formed by embedding a transparent adhesive layer for blocking water vapor and bonding the light source side of the conductive film layer.

Further, the transparent protective layer is a tempered glass or a sheet made of one or more of polymethyl methacrylate (pmma), Polystyrene (Polystyrene), Polycarbonate (Polycarbonate), polyethylene (polyethylene), and the like, and the sheet has a single-sheet structure or a double-sheet composite sheet structure. The transparent protective layer plays a role in protecting the LED and the micro-lens structure from being damaged and impacted by water vapor and the like, and the material is the same as that of the transparent plate.

Specifically, the control module is a controller including a display chip and a control circuit, and a wire harness interface.

The principle of the invention is as follows: the light source is a positive luminous MINI-LED or MICRO-LED particle, after the light is emitted, the light is emitted after optical shaping treatment is carried out on an optical microstructure layer manufactured on the LED particle, and the emitted uniform and soft light spots are transmitted out through the transparent protective layer. The shape of the spot can be tailored to the needs. The control module is used for controlling the on-off of the light sources arranged in the array mode to achieve various patterning, and the control module is used for programming to change pattern styles or achieve various pattern changes to present different visual effects.

Compared with the prior art, the beneficial effects are: the invention can effectively solve the problem of monotonous and insufficient individuation of a single pattern and can better improve the riding experience effect; and the structure and the style are simple, the production is stable, the process flow is simple, and the mass production is convenient.

Drawings

Figure 1 is a schematic cross-sectional view of a glazing according to the invention.

Fig. 2 is a schematic diagram of the distribution of the light source array of the present invention.

Fig. 3 is a schematic diagram of the control principle of the present invention.

FIG. 4 is a schematic diagram of the light emitting path of the light source of the present invention.

FIG. 5 is a first schematic view of the display effect of the glass window of the present invention.

FIG. 6 is a second schematic view of the display effect of the glass window of the present invention.

FIG. 7 is a schematic diagram of a magnified circle image of the present invention.

FIG. 8 is a schematic view of a circle image before enlargement in accordance with the present invention.

FIG. 9 is a schematic enlarged square image of the present invention.

FIG. 10 is a schematic view of a square image of the present invention prior to magnification.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

As shown in fig. 1 to 4, a dynamic pattern luminous automotive glass window is mainly applied to an automotive skylight, a rear window or a side window to regulate the atmosphere in an automobile or used as a decoration, and can also be applied to other vehicles such as a ship and a yacht, and can also be applied to buildings to regulate the indoor atmosphere.

A dynamic pattern luminous automobile glass window comprises a transparent plate 1, an adhesive layer 2 and a conductive film layer 3, wherein one side of the adhesive layer 2 is fixed with the transparent plate 1, and the other side of the adhesive layer 2 is fixed with the conductive film layer 3;

the packaging structure further comprises a light source 4, a packaging adhesive layer 5, a transparent protective layer 6 and an optical micro-structure layer 7, wherein one end of the light source 4 is connected and electrically connected with the conductive film layer 3, the other end of the light source 4 is a light emitting end, and the optical micro-structure layer 7 is arranged at the light emitting end of the light source 4;

one side of the packaging adhesive layer 5 is fixed with the conductive film layer 3, the other side of the packaging adhesive layer 5 is fixed with the transparent protective layer 6, and the light source 4 and the optical microstructure layer 7 are both positioned in the packaging adhesive layer 5; the device further comprises a control module 8, and the control module 8 is electrically connected with the conductive film layer 3. The control module 8 controls the on/off of the light source 4 to realize various patterning.

Specifically, the transparent plate 1 is usually made of a transparent material with high strength, such as tempered glass, or a sheet made of one or more transparent materials such as polymethyl methacrylate (pmma), Polystyrene (Polystyrene), Polycarbonate (Polycarbonate), and polyethylene (polyethylene), and may have a single-sheet structure or a double-sheet composite sheet structure to improve safety performance. Can be in three-dimensional shape and planar shape.

The adhesive layer 2 is a glass laminating adhesive, and may be made of a colorless and transparent material capable of achieving the purpose of adhesion, such as polyvinyl butyral, thermoplastic polyurethane elastomer rubber, and the like. The bonding layer material is used for combining the conductive film layer 3 and the transparent plate 1, and the final process is carried out.

The base material of the conductive film layer 3 is a CPI film or a PET film, and the light transmittance is more than 90%. The anode and cathode circuits of the LED are manufactured by pretreating the surface of the film and printing the surface or by adopting the processes of laser etching, laser photoetching, vacuum plating and the like, wherein the width of the circuit is within 0.1 mm.

The light source 4 adopts MINI-LED or MICRO-LED positive light emitting LED particles, adopts CSP process particles or flip process particles, the luminous intensity exceeds more than 100cd, firstly, the LED particles are fixed at the corresponding positive and negative circuit positions on the conductive film by a die bonder, and then the welding is carried out by a low temperature tin furnace. The solder paste adopts the solder paste with the ultrafine powder formula, and has the super-heat-conduction and super-strong binding force. And secondly, fixing the LED particles at the corresponding positive and negative circuit positions on the conductive film by using a die bonder, and curing and packaging the LED particles by using conductive glue for a glue dispenser. The distribution of LED particles is considered on the conductive film with the size of the car window according to the refinement degree of the design pattern, and the distribution density is determined according to the divergence area of the micro-lens structure of the light-emitting surface on the LED.

The optical micro-structure layer 7 plays a role in light uniformizing and diffusion angles, and the optical micro-lens layer is manufactured on the light emergent surface of the LED and plays an important role in reducing LED particles. According to the aperture type of the micro-lens, a triangular micro-lens, a hexagonal micro-lens, a quadrilateral micro-lens, a double-curvature micro-lens and the like can be adopted, and the micro-lens can also be realized in a composite micro-lens (namely, a combined structure of two or more kinds of the micro-lenses), and a uniform light diffusion surface with the temperature of about 100-160 ℃ can be realized, so that amplified light spots can appear on the surface of the protective layer, and the shape of the light spots can be controlled through the aperture light outlet shape of the micro-lens (as shown in figure 4, K is a uniform light diffusion light outlet area). The optical micro-structure layer 7 is packaged with the light source 4 into a whole before the LED is mounted on the die bonding, and the optical micro-lens structure layer 7 can be realized by a special packaging nano-imprint mold or a multi-layer packaging micro-mold or a mask photoetching process and other processes. Can meet the requirement of mass production of die bonding and mounting.

As shown in fig. 2-3, L represents column control, and H represents row control, in this embodiment, the control module 8 is a controller and a wire harness interface including a display chip and a control circuit, and can perform column control and row control on the light sources 4, the control module 8 controls the switches of the light sources 4 arranged in an array to implement various patterning, and the control module 8 is programmed to change the pattern style or implement various pattern changes to present different visual effects.

As shown in FIG. 5, the size of the circular spot is about 1-4 mm, the circular spot uniformly emits light, and the visual field visualization at 160 degrees can be met. The LED particles in fig. 5 are small when not emitting light, and are difficult to be seen by the naked eye when the LED particles are smaller than 100 microns. The patterns or animation effect can be changed at will at any time through the control module.

As shown in fig. 6, a square spot pattern and a multi-dynamic effect can also be achieved. The LED particles in fig. 6 are small when not emitting light, and are difficult to be seen by the naked eye when the LED particles are smaller than 100 microns. The patterns or animation effect can be changed at will at any time through the control module.

After the light source 4 is attached, a transparent protective layer 6 is coated or encapsulated on the light source side of the conductive film layer 3, and the protective adhesive is made of a transparent material. And curing and sealing by adopting materials such as transparent cofferdam glue and the like. And forming the LED micro-lens light source array module based on the conductive film layer 3 after the curing and sealing are finished. The combination mode of the light-emitting side surface of the module and the transparent protective layer 6 can be realized by adding a bonding layer 2, or can also be realized by directly bonding the transparent cofferdam glue before and after solidification. The transparent protection layer 6 is generally made of a transparent material with high strength, such as tempered glass, or a sheet made of one or more transparent materials, such as polymethyl methacrylate (pmma), Polystyrene (Polystyrene), Polycarbonate (Polycarbonate), and polyethylene (polyethylene).

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The automobile glass window with the dynamic pattern light emitting is characterized by comprising a transparent plate (1), an adhesive layer (2) and a conductive film layer (3), wherein one side of the adhesive layer (2) is fixed with the transparent plate (1), and the other side of the adhesive layer (2) is fixed with the conductive film layer (3);

the LED packaging structure is characterized by further comprising a light source (4), a packaging adhesive layer (5), a transparent protective layer (6) and an optical micro-structure layer (7), wherein one end of the light source (4) is connected and electrically connected with the conductive film layer (3), the other end of the light source (4) is a light emitting end, and the optical micro-structure layer (7) is arranged at the light emitting end of the light source (4);

one side of the packaging adhesive layer (5) is fixed with the conductive film layer (3), the other side of the packaging adhesive layer (5) is fixed with the transparent protective layer (6), and the light source (4) and the optical microstructure layer (7) are both positioned in the packaging adhesive layer (5);

the patterning device is characterized by further comprising a control module (8), wherein the control module (8) is electrically connected with the light source (4), and the control module (8) controls the switch of the conductive film layer (3) to realize multiple patterning.

2. A dynamic pattern luminous automotive glazing as claimed in claim 1, characterized in that: the light sources (4) are granular and are distributed in a plurality of numbers, and the light sources (4) are distributed in an array manner.

3. A dynamic pattern luminous automotive glazing as claimed in claim 2, characterized in that: the light source (4) is a positive emitting MINI-LED or MICRO-LED with length and width dimensions less than 1 mm.

4. A dynamic pattern luminous automotive glazing as claimed in claim 1, characterized in that: the transparent plate (1) is toughened glass or a sheet made of one or more of polymethyl methacrylate, polystyrene, polycarbonate, polyethylene and the like, and the sheet is of a single-sheet structure or a double-sheet composite sheet structure.

5. A dynamic pattern luminous automotive glazing as claimed in claim 1, characterized in that: the adhesive layer (2) is made of colorless and transparent materials, and the colorless and transparent materials are polyvinyl butyral or thermoplastic polyurethane elastomer rubber and the like.

6. A dynamic pattern luminous automotive glazing as claimed in claim 1, characterized in that: the conductive film layer (3) is a conductive transparent film made of transparent polyethylene terephthalate or transparent polyimide film materials and the like as base materials, and a tiny conductive circuit is manufactured through surface laser photoetching, laser etching and printing to achieve circuit connection.

7. A dynamic pattern luminous automotive glazing as claimed in claim 3, characterized in that: the optical MICRO-structure layer (7) is an optical MICRO-lens structure arranged on the light-emitting surface of the MINI-LED or MICRO-LED particles.

8. A dynamic pattern luminous automotive glazing as claimed in claim 1, characterized in that: the packaging adhesive layer (5) is formed by embedding a transparent adhesive layer for blocking water vapor and bonding the adhesive layer on the light source side of the conductive film layer (3).

9. A dynamic pattern luminous automotive glazing as claimed in claim 1, characterized in that: the transparent protective layer (6) is toughened glass or a sheet made of one or more of polymethyl methacrylate, polystyrene, polycarbonate, polyethylene and the like, and the sheet is of a single-sheet structure or a double-sheet composite sheet structure.

10. A dynamic pattern luminous automotive glazing as claimed in any one of claims 1 to 9, characterized in that: the control module (8) comprises a controller including a display chip and a control circuit and a wire harness interface.