CN202771738U

CN202771738U - Light-emitting diode (LED) efficacy high-efficiency transition glass display screen

Info

Publication number: CN202771738U
Application number: CN 201220403865
Authority: CN
Inventors: 沈荣虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-15
Filing date: 2012-08-15
Publication date: 2013-03-06
Anticipated expiration: 2022-08-15

Abstract

The utility model relates to a light-emitting diode (LED) efficacy high-efficiency transition glass display screen. The LED efficacy high-efficiency transition glass display screen not only has the functions of heat absorption and heat dissipation, but also has an extremely low thermal expansion coefficinet and good electrical insulating property and highlight conversion efficiency. The LED efficacy high-efficiency transition glass display screen comprises an LED glass display screen. The LED efficacy high-efficiency transition glass display screen is formed by stacking a silica glass layer and an LED lattice glass mold layer. Mold base glass of the LED lattice glass mold layer is heat-absorbing glass. An electric conduction metal lattice net which is formed by an LED positive electrode and an LED negative electrode is embedded in one face of the heat-absorbing glass, or an electric conduction metal lattice net formed by conducting films is arranged on one face of the heat-absorbing glass. An LED chip is placed on a cross point of the electric conduction metal lattice net. The LED efficacy high-efficiency transition glass display screen has the advantages that manufacture of an LED lattice metal module is achieved, the problem of heat dissipation of the LED chip is solved, energy consumption is reduced, and the problem of big coefficient of thermal expansion of surface course glass is solved. The thermal stability is good, high temperature dielectric is insulated, dielectric loss does not exist. The LED efficacy high-efficiency transition glass display screen is acidproof, alkali-resisting, salt-tolerant, high in intelligibility, simple in structure and low in manufacturing cost.

Description

LED usefulness is efficiently changed the demonstration glass screen

Technical field

The utility model relates to a kind of heat radiator function that both had, and has again utmost point low thermal coefficient of expansion and good electric insulativity, and the high LED usefulness of light conversion efficiency is efficiently changed the demonstration glass screen, genus LED glass display screen manufacturing field.

Background technology

CN202125923U, title " LED fluorescent glass ", it comprises coated glass and sheet glass, be provided with cementing layer between described coated glass and the sheet glass, described coated glass upper surface is provided with one deck conducting film, be provided with some LED light emitting diodes on the conducting film, described coated glass lower surface is provided with one deck highly reflecting films.Its weak point: the one, do not realize LED dot matrix glass molds; The 2nd, do not solve the heat radiation difficult problem of led chip, light conversion efficiency is low, and energy consumption is large; The 3rd, do not solve the large difficult problem of thermal expansivity of surface layer glass; The 4th, can't reproduce the function of display screen.

CN201170494Y, title " fluorescent glass ", this fluorescent glass, contain a plurality of LED light tiles, the electronic loop that is linked to be by conductive connecting line, it is characterized in that said LED light tiles is bonded and fixed on the glass film plates by default rule or the pattern layout of arranging, form transparent membranaceous wire by the Indium-tin Oxide Transparent Conductive Film that is coated on the glass film plates, each LED light tiles electrode that this membranaceous wire will be fixed on the glass film plates is linked to be electronic loop.Its weak point: the one, do not realize LED dot matrix glass molds; The 2nd, do not solve the heat radiation difficult problem of led chip, light conversion efficiency is low, and energy consumption is large; The 3rd, do not solve the large difficult problem of thermal expansivity of surface layer glass; The 4th, can't reproduce the function of display screen.

CN201053623Y, title " LED luminous laminated glass ", the structure of this glass is followed successively by: glass plate/middle adhesive linkage/LED/ conductive coated glass plate.Its weak point: the one, do not realize LED dot matrix glass molds; The 2nd, do not solve the heat radiation difficult problem of led chip, light conversion efficiency is low, and energy consumption is large; The 3rd, do not solve the large difficult problem of thermal expansivity of surface layer glass; The 4th, can't reproduce the function of display screen.

CN101140720A, title " high-contrast luminous diode display screen " are comprised of anti-dazzle high-contrast screen, LED unit box, screen and framework jointing tape; LED display will increase high-contrast screen, and each unit box that must LED display will have screen; Body structure is that the frame that supports high-contrast screen around the unit is zigzag, and sawtooth is what to be intersected with LED light lamp, high-contrast screen is to ride on the frame, be embedded in 0.5～2mm in the frame, wide, the high size of frame is greater than wide, the high size 0.2～3mm of high-contrast screen.Its weak point: the one, do not realize LED dot matrix glass molds; The 2nd, do not solve the heat radiation difficult problem of led chip, light conversion efficiency is low, and energy consumption is large; The 3rd, do not solve the large difficult problem of thermal expansivity of surface layer glass.

CN101188076A, title " large-screen definite LED shows module and method for packing ", it is comprised of a LED integrated displaying modular, a variable-frequency constant temperature heats ink and a digital signal circuit board; Each pixel in the wherein said LED integrated displaying modular be demonstration by not encapsulation more than 256 grades brightness red/green/blue primary LED diode is implanted on the base plate, and around every group of LED, the optical concentration passage of a regular shape is set; A plurality of quiet fans are installed on the described variable-frequency constant temperature radiator, at heat dissipation region responsive to temperature point temperature sensor are installed; The variable-frequency constant temperature radiator pastes on the LED integrated displaying modular by heat-conducting glue, and LED feed circuit plate is installed in the opposite side of heating radiator; The input signal of described digital signal circuit plate amplifies by a triode, controls respectively the supply voltage of the control triode of red, green and blue each primary colours, to control each primary colours luminous intensity, is installed in the central part of heating radiator.Its weak point: the one, do not realize LED dot matrix glass molds; The 2nd, do not solve the heat radiation difficult problem of led chip, light conversion efficiency is low, and energy consumption is large; The 3rd, do not solve the large difficult problem of thermal expansivity of surface layer glass; The 4th, complex structure, cost of manufacture is high.

The utility model content

Purpose of design: avoid the weak point in the background technology, design a kind of heat radiator function that both had, have again utmost point low thermal coefficient of expansion and good electric insulativity, and the high LED usefulness of light conversion efficiency is efficiently changed the demonstration glass screen.

Design proposal: in order to realize above-mentioned purpose of design.1, LED dot matrix glass molds layer adopts the design of antisolar glass, is one of technical characterictic of the present utility model.The purpose of doing like this is: owing to antisolar glass is to add a certain amount ofly the colorant of heat absorption capacity is arranged or to make at one or more layers metal of surface of plate glass spraying plating or metal-oxide film in the raw material of common soda lime glass, it can absorb a large amount of infrared radiation energy, so the heat that it can produce the conducting metal dot matrix net with led chip effectively conducts fast by antisolar glass, make led chip be in all the time the low-temperature working state, because have directly depended on the height of its working temperature in the luminescence efficiency of led chip and serviceable life, working temperature is low, not only luminescence efficiency is high, and long service life, energy consumption is little.2, the another side of LED dot matrix glass molds layer (antisolar glass mould layer) is equipped with the design of one deck heat radiator layer, is two of technical characterictic of the present utility model.The purpose of doing like this is: because the laminated heat-absorbing paint layer that scribbles of heat radiator, this heat-absorbing paint layer is painted on the back side of antisolar glass, it can absorb antisolar glass heat moment is passed to the aluminium heat dissipating layer by the heat-absorbing paint layer, because the face of aluminium heat dissipating layer is uneven uneven surface, its area of dissipation is large, can fast the mode of heat by air cooling be shed, thereby make antisolar glass be in all the time the low-temperature working state.3, the one side of antisolar glass is embedded with the design of the conducting metal dot matrix net that one deck is made of LED positive pole and negative pole, is three of technical characterictic of the present utility model.The purpose of doing like this is: conducting metal dot matrix net is embedded in the antisolar glass, not only can effectively improve the intensity of antisolar glass, and be conducive to led chip by the heat radiation of conducting metal dot matrix net, make led chip always work in the low-temperature working state.4, showing the design of glass screen adopting quartz glass, is four of technical characterictic of the present utility model.The purpose of doing like this is: the one, because quartz glass has extremely low thermal expansivity, high temperature tolerance, fabulous chemical stability, good electrical insulating property, low and stable ultrasonic delay performance, best saturating ultraviolet spectrum performance and saturating visible light and near infrared spectrum performance, and the mechanical property that is higher than simple glass is arranged; The 2nd, quartz glass has very high dielectric strength and extremely low conductance, namely be under high temperature, high pressure and high frequency, still can keep very high dielectric strength and resistance, in applied frequency band, almost not have dielectric loss, so quartz glass is good high-temperature dielectric insulating material; The 4th, quartz glass belongs to acid material, except hydrofluorite and hot phosphoric acid, other any acid is all shown as inertia, it is best acid resisting material, and the extent of corrosion of alkali and salt pair quartz glass also is extremely little at normal temperatures, therefore the application's adopting quartz glass is efficiently changed as LED usefulness and is shown glass screen surface layer glass, has realized Heat stability is good, high-temperature dielectric insulation, has not had dielectric loss, and acidproof, alkaline-resisting, salt tolerant, sharpness are high.

Technical scheme: a kind of LED usefulness is efficiently changed the demonstration glass screen, comprises that LED shows that glass screen, described LED usefulness are efficiently changed and shows that glass screen was made of quartz glass layer and LED dot matrix glass molds stacked adding; Mould base glass in the described LED dot matrix glass molds layer is that the one side of antisolar glass and antisolar glass is embedded with one deck is anodal by LED and negative pole consists of conducting metal dot matrix net or the one side of antisolar glass is equipped with the conducting metal dot matrix net that conducting film consists of, and led chip is positioned on the point of crossing of conducting metal dot matrix net.

The utility model is compared with background technology, and the one, realized the making of LED dot matrix glass modules; The 2nd, solve the difficult problem of led chip heat radiation, when having improved widely the wealth of light conversion efficiency of LED, reduced energy consumption; The 3rd, solve the large difficult problem of thermal expansivity of surface layer glass, not only Heat stability is good, high-temperature dielectric insulation, do not have dielectric loss, and acidproof, alkaline-resisting, salt tolerant, sharpness are high; The 4th, simple in structure, cost of manufacture is low.

Description of drawings

Fig. 1 is that LED usefulness is efficiently changed the master who shows glass screen and looked schematic diagram.

Fig. 2 is the side-looking structural representation of Fig. 1.

Embodiment

Embodiment 1: with reference to attached Fig. 1 and 2.A kind of LED usefulness is efficiently changed the demonstration glass screen, comprises that LED shows glass screen, and described LED usefulness is efficiently changed and shown that glass screen is made of quartz glass layer 1 and 5 stack (bonding) of LED dot matrix glass molds layer; Mould base glass in the described LED dot matrix glass molds layer 5 is that the one side of antisolar glass and antisolar glass is embedded with one deck is anodal by LED and negative pole consists of conducting metal dot matrix net 3 or the one side of antisolar glass is equipped with the conducting metal dot matrix net 3 that conducting film consists of, and led chip 4 is positioned on the point of crossing of conducting metal dot matrix net.The another side of described LED dot matrix glass molds layer (antisolar glass) 5 is equipped with one deck heat radiator layer 6.Described heat radiator layer 6 one side scribble the heat-absorbing paint layer, and heat-absorbing paint is prior art, is not described herein at this.Be uneven coarse radiation aluminium surface layer on the heat-absorbing paint layer, namely the aluminium foil outside surface is uneven, and purpose is to increase radiating surface.Label 7 in the accompanying drawing 2 refers to controller, and label 8 refers to data line, and its making all is prior art, is not described herein at this.

Embodiment 2: on the basis of embodiment 1,1 of described quartz glass layer is ground glass surface, purpose be reduce to greatest extent reflective.

On the basis of embodiment 1, its LED usefulness is efficiently changed the method for making that shows glass screen, ⑴By LED dot matrix glass molds layer size make have positive and negative electrode minute conducting metal dot matrix net 3, then antisolar glass is heated to the melting softening point after, will have positive and negative electrode minute conducting metal dot matrix net 3 be pressed in the softening antisolar glass face of melting; ⑵Be equipped with one deck heat radiator layer 6 at the antisolar glass back side; ⑶Led chip 4 is sticked on place, conducting metal dot matrix net 4 point of crossing and consists of LED dot matrix glass molds layer 5, then PVB or EVA film 2 are covered on the LED dot matrix glass molds layer 5, quartz glass layer 1 is superimposed upon sticks to one on PVB or the EVA film and with antisolar glass again gets final product.Described heat radiator layer 6 refers to then spray the surperficial concave-convex surface structure of one deck aluminium film and aluminium film at heat-absorbing paint at antisolar glass back side spraying one deck heat-absorbing paint.

On the basis of embodiment 1, its LED usefulness is efficiently changed the method for making that shows glass screen, it is characterized in that: ⑴By LED dot matrix glass molds layer size make have positive and negative electrode minute conducting metal dot matrix net 3, then adopt serigraphy conducting film or sputter conducting film on glass surface and the conducting metal dot matrix net 3 that consists of; ⑵Be equipped with one deck heat radiator layer 6 at the antisolar glass back side; ⑶Led chip 4 is sticked on place, conducting metal dot matrix net 4 point of crossing and consists of LED dot matrix glass molds layer 5, then PVB or EVA film 2 are covered on the LED dot matrix glass molds layer 5, quartz glass layer 1 is superimposed upon sticks to one on PVB or the EVA film and with antisolar glass again gets final product.

What need to understand is: although above-described embodiment is to the mentality of designing of the present utility model detailed text description of contrasting; but these text descriptions; just the simple text of the utility model mentality of designing is described; rather than to the restriction of the utility model mentality of designing; any combination, increase or modification that does not exceed the utility model mentality of designing all falls in the protection domain of the present utility model.

Claims

1. a LED usefulness is efficiently changed the demonstration glass screen, comprises that LED shows glass screen, is characterized in that: described LED usefulness is efficiently changed and is shown that glass screen is made of quartz glass layer (1) and LED dot matrix glass molds layer (5) stack; Mould base glass in the described LED dot matrix glass molds layer (5) is the conducting metal dot matrix net (3) that one side that the one side of antisolar glass and antisolar glass is embedded with one deck is anodal by LED and negative pole consists of conducting metal dot matrix net (3) or antisolar glass is equipped with the conducting film formation, and led chip (4) is positioned on the point of crossing of conducting metal dot matrix net.

2. LED usefulness according to claim 1 is efficiently changed the demonstration glass screen, it is characterized in that: the another side of described LED dot matrix glass molds layer (5) is equipped with one deck heat radiator layer (6).

3. LED usefulness according to claim 2 is efficiently changed the demonstration glass screen, it is characterized in that: described heat radiator layer (6) one side scribbles the heat-absorbing paint layer, is uneven coarse radiation aluminium surface layer on the heat-absorbing paint layer.

4. LED usefulness according to claim 1 is efficiently changed the demonstration glass screen, it is characterized in that: described quartz glass layer (1) face is ground glass surface.