TWM632205U - Ultraviolet curing device for panel - Google Patents

Abstract

The present invention relates to an ultraviolet curing device for a panel, which is a three-by-three array module, the three-by-three array module is corresponding to a sealant frame of a panel, and uses a plurality of light-emitting elements of a light-emitting unit to use To cure the sealant frame of the panel, wherein a center distance is set between the light-emitting elements, and a vertical distance is set between the light-emitting elements and the panel, thereby making the sealant frame achieve uniform curing At the same time, it avoids negative problems such as contamination of the panel due to insufficient curing rate.

Description

UV curing device for panel

This creation relates to an ultraviolet curing device, especially an ultraviolet curing device for a panel.

With the development of science and technology, the types of monitors are becoming more and more diverse. Electronic products with monitors have become indispensable products in the workplace, school or life. A monitor is an output device used to display images that have reached Color is a common display used in computer and TV screens.

The traditional display is a CRT display (Cathode Ray Tube), which is called a cathode ray tube display, the most common image tube display on the market in the early days. Shadow mask), high-voltage graphite electrodes, phosphor coating (Phosphor) and glass casing, CRT displays rely on electron beams to excite phosphors on the inner surface of the screen to display images. The higher the resolution of the screen, the more points need to be scanned, the higher the requirement for the scanning frequency of the electron gun, the higher the video bandwidth, and the higher the screen resolution of the CRT monitor. The four corners of the screen are prone to image skew because the electron gun is incident at an oblique angle, and the edge distortion is also obvious, and the CRT monitor will definitely make the eyes feel tired after a long time.

However, in recent years, the display industry and technology have gradually matured. Driven by the vigorous development of the market, it has evolved from a CRT display (Cathode Ray Tube) to a liquid-crystal display (LCD), which is a flat and thin display device. , composed of a certain number of color or black and white pixels, placed in the light source or reflecting the ambient light source, the current liquid crystal display has the characteristics of low power consumption. , Compared with the CRT display (Cathode Ray Tube), the liquid crystal display does not produce radiation, even if you watch the screen for a long time, the eyes will not feel tired, and the liquid crystal display is currently widely used in more electronic products, Examples include smart TVs, laptops, tablets, and smartphones.

Liquid crystal displays use liquid crystal materials as the basic components. Since liquid crystal is between solid state and liquid state, it not only has solid crystal optical properties, but also has liquid flow properties, so it can be said to be an intermediate phase. For the photoelectric effect of liquid crystal, the physical properties of liquid crystal, including its viscosity (visco-sity) and elasticity (elasticity) and its polarizalility, must be explained first. From the point of view of fluid mechanics, the viscosity and elasticity of liquid crystal is a liquid with alignment properties, which will have different effects according to the direction of the acting force.

In addition, the liquid crystal material of the liquid crystal display has not only a viscous reaction, but also an elastic reaction. They are all directional effects to the external force. Therefore, when light enters the liquid crystal material, it will inevitably follow the liquid crystal molecules. When the liquid crystal molecules move in an arrangement, a natural deflection phenomenon is generated, and the electronic structures in the liquid crystal molecules have strong electron conjugation movement ability. Here, when the liquid crystal molecules are subjected to the action of an external electric field, it is easier to produce induced dipolarity ( induced dipolar), which is also the source of the interaction force between liquid crystal molecules. The liquid crystal display used in general electronic products uses the photoelectric effect of liquid crystal, is controlled by external voltage, and then passes through the characteristics of liquid crystal molecules to refract, and the light is bright and dark, so as to achieve the purpose of imaging.

In order to meet the needs of the market and meet the needs of consumers, a flexible display has been developed in the market today. In addition to providing a variety of appearances and freedom of design, flexible displays are also lightweight, drop-resistant and low-cost. Manufacturing and other advantages are used to replace some of the original display applications, and further create new applications and new markets.

For example, when the current flexible display is applied to high-end smart phones (such as Samsung Edge) and smart watches (such as Apple Watch), this technology not only provides high resolution, but also has smaller The curvature radius, and when applied to notebook computers and tablet computers, enables notebook computers and tablet computers to increase the size of the display without increasing the weight, and also meets the needs of consumers for being thin and easy to carry. Flexible displays can also be applied to new smart home devices. For example, most smart speakers in the current era are designed to be circular or cylindrical, but glass displays are flat, which undoubtedly limits their use in non-rectangular devices. In addition to realizing a wrap-around screen, the current flexible display also opens up a new audio-visual usage mode, and also provides a better user experience while ensuring the aesthetics of the product. From the above, it can be seen that the flexible display technology breaks through the limitations of traditional displays. , not only for mobile phones, but also to create new applications and new markets, has gradually become a mainstream product.

The definition of a flexible display is to describe a display manufactured on a flexible plastic substrate during the manufacturing process, which can be laminated into a rigid protective glass and then integrated into the housing of a fixed product. In addition, in response to consumer demand, traditional The flexible display has been unable to meet the trend of the modern market, and the current trend is towards high display density, large area and no damage to folding, to replace the traditional flexible display.

Display technology includes Organic Light-Emitting Diode (OLED), which has the advantages of self-luminescence, wide viewing angle, high contrast, low power consumption and simple process, etc., in the manufacturing process of OLED display panel In the process, the plastic frame of the display panel needs to be cured to prevent moisture from the external environment from entering the organic light emitting diode display panel, thereby causing problems such as failure of the organic light emitting diode display panel.

Among them, the application of ultraviolet curing to the plastic frame of the display panel will be discussed. The ultraviolet light source is a special light source, which is widely used in various fields of industrial production and life. It can not only be used in the purification and disinfection of water, air and material surfaces. It can also be used to cure pigments, adhesives, paints, and create corrosion-resistant surfaces. Ultraviolet curing is used in various processes of industrial production. It is different from thermal curing, which relies on solvent volatilization and curing. Compared with ultraviolet curing, thermal curing requires only a few minutes instead of hours. Significantly shorten the production cycle time. There are many existing methods to excite the ultraviolet light source. One of them is to excite the ultraviolet light source through light-emitting diodes (LEDs). Light-emitting diodes (LEDs) have low thermal radiation, low power consumption, It has the advantages of long life, fast response and small size, and at the same time, it has directivity and can guide the plastic frame that directly illuminates the display panel.

Ultraviolet curing refers to the process of using ultraviolet light to initiate a photochemical reaction to generate a polymer cross-linked network. Ultraviolet curing is suitable for printing, painting, decoration, stereolithography and the assembly of various products and materials. Compared with other technologies, The use of UV energy curing can be considered as a low-temperature and high-speed process. It is also a solvent-free process. The main advantage of UV curing is the processing speed of the material, which can speed up the curing or drying steps in the process. Wetting time of the coating to reduce defects and errors to improve the quality of the finished product.

However, the current UV curing device uses a mercury lamp to irradiate a large area of the entire board, so a large amount of ultraviolet light is required to meet the curing needs, which undoubtedly increases the cost, and a large amount of ultraviolet light consumes a lot of electric energy. If one of them emits light Damage to components will also cause problems such as poor uniformity of illumination, which not only affects the quality of illumination, but also affects the yield of the display panel.

Based on the above problems, the present invention provides an ultraviolet curing device for a panel, so as to solve the problem of poor uniform illumination of ultraviolet light, which cannot be uniformly irradiated, and further leads to negative effects such as pollution to the liquid crystal after contact with the liquid crystal, and Through this creation, in addition to solving the problem of poor uniformity of illumination, and making the plastic frame of the display panel achieve a uniform curing rate, it also solves the problems of negative effects generated by the display panel, and further achieves energy saving.

One objective of the present invention is to provide an ultraviolet curing device for a panel, which utilizes a three-by-three array module to correspond to a sealant frame of a panel, so as to avoid large-area irradiation, thereby achieving energy saving.

One of the objectives of the present invention is to provide a UV curing device for a panel, which utilizes a three-by-three array module to correspond to a sealant frame of a panel, so as to achieve a uniform curing rate of the plastic frame of the display panel, thereby solving the problem of the display panel. the resulting negative effects.

One objective of the present invention is to provide an ultraviolet curing device for a panel, which utilizes a plurality of light-emitting elements of a light-emitting unit to cure the sealant frame of the panel, wherein a center distance is set between the light-emitting elements, respectively, and setting a vertical distance between the light-emitting elements and the panel, so that the sealant frame can achieve a uniform curing rate, and at the same time avoid negative problems such as contamination of the panel due to insufficient curing rate, and further solve the impact Technical problems with display panels.

Based on the above purpose, the present invention provides a UV curing device for a panel, which is a three-by-three array module. The three-by-three array module corresponds to a sealant frame of the panel and is controlled by a programmable logic. The unit individually controls the on/off of a single X-axis or Y-axis module of the three-by-three array modules, and one of the three-by-three array modules includes an input voltage, a modulating power circuit, an input component, a transistor, a certain current control circuit and a light-emitting unit, the modulation circuit is electrically connected to the input voltage, the input component includes a first input end and a second input end, the input component The programmable logic control unit is electrically connected, the first input terminal of the input element receives a first signal, and the second input terminal of the input element receives a second signal. The transistor is electrically connected to the modulation circuit, the first input terminal and the second input terminal, the transistor is correspondingly turned on/off according to the first signal and the second signal, and the constant current control circuit is electrically connected The transistor, the light-emitting unit includes a plurality of light-emitting elements, the light-emitting elements are electrically connected to the constant current control circuit, wherein the light-emitting elements emit an ultraviolet light, the wavelength of the ultraviolet light is 365nm~405nm, and the Ultraviolet light is used to cure the sealant frame of the panel, a center distance is set between the light-emitting elements, and a vertical distance is set between the light-emitting elements and the panel, and the ratio of the center distance to the vertical distance Department of 0.5~1.

In order to enable your reviewers to have a further understanding and understanding of the features of this creation and the effects achieved, I would like to provide examples and accompanying descriptions, which are as follows:

Certain terms are used in the description and claims to refer to specific elements, however, those with ordinary knowledge in the technical field of the present invention should understand that the same element may be referred to by different terms, and the description and claims The difference in name is not used as a way of distinguishing elements, but the difference in the overall technology of the elements is used as a criterion for distinguishing. The "comprising" mentioned throughout the specification and claims is an open-ended term, so it should be interpreted as "including but not limited to". Furthermore, the term "coupled" herein includes any direct and indirect means of connection. Therefore, if a first device is described as being coupled to a second device, it means that the first device can be directly connected to the second device, or can be indirectly connected to the second device through other devices or other connecting means.

First, please refer to the first, third and fourth pictures. The first picture is the schematic diagram of the UV curing device of the panel created by the creation, the third picture is the circuit diagram of the UV curing device of the panel created by the creation, and the fourth picture This is the application diagram of the UV curing device for the panel of this creation. As shown in the figure, the UV curing device of the panel of the present invention is a three-by-three array module 100, and the three-by-three array module 100 corresponds to a sealant frame 210 of a panel 200. The three-by-three array module 100 corresponds to irradiating the sealant frame 210 of the panel 200 , and individually controls one of the three-by-three array modules 100 in a single X-axis or a Y-axis through a programmable logic control unit 10 The group 70 means that the programmable logic control unit 10 controls the module 70 of a single X-axis or the module 70 of the Y-axis to be on or off. In an embodiment of the present invention, the three-by-three array module 100 of the present invention is used to irradiate the sealant frame 210 of the panel 200 correspondingly, so as to achieve a uniform curing rate of the sealant frame 210, and also solve the problem of The UV curing device of the prior art suffers from the problem of poor uniformity of illuminance, which further causes the negative effect of the panel 200, and the programmable logic control unit 10 individually controls the three-by-three array module 100 as a single unit. The module 70 in the X-axis or the Y-axis makes the use of the three-by-three array module 100 of the present invention more convenient.

Continuing the above, please refer to the second figure, which is a block diagram of the UV curing device of the panel of the present invention. In this embodiment, the module 70 of the present invention includes an input voltage Vcc, a modulating voltage circuit 30, an input element 20, a transistor 40, a certain current control circuit 50 and a light-emitting unit 60, the modulation circuit 30 is electrically connected to the input voltage Vcc, and the input element 20 is electrically connected to the programmable The logic control unit 10, wherein the input element 20 includes a first input terminal 22 and a second input terminal 24, and the first input terminal 22 of the input element 20 is used to receive a first signal S1 and the input The second input end 24 of the component 20 is used for receiving a second signal S2. In an embodiment of the present invention, through the programmable logic control unit 10, the first signal S1 and the second signal S2 can be loaded into the memory for storage or execution, and the programmable logic control unit 10 can check the state of the first input terminal 22 and the second input terminal 24 of the input component 20, and transmit the first signal S1 and the second signal S2 to the first input terminal of the input component 20 correspondingly 22 and the second input end 24 of the input element 20, it can be known that the programmable logic control unit 10 is used to check the operating state of the module 70, thereby increasing the reliability of the three-by-three array module 100.

Continuing the above, please refer to the second, third and fourth figures. The second figure is the block diagram of the UV curing device of the panel created by the creation, and the third figure is the circuit diagram of the UV curing device of the panel created by the creation, and The fourth figure is an application diagram of the UV curing device of the panel of the present invention. The transistor 40 of the present invention is electrically connected to the modulation circuit 30 , the first input end 22 of the input element 20 and the The second input terminal 24, and the transistor 40 receives the second signal according to the first signal S1 received by the first input terminal 22 and the second input terminal 24, for corresponding to the single X-axis or Y-axis. The module 70 is in an on state or an off state, and the input element 20 further includes a resistive element R1 and a capacitive element C1, both the resistive element R1 and the capacitive element C1 are electrically connected to the input element 20, wherein the resistive element R1 is electrically connected to the first input terminal 22 of the input element 20 , the resistive element R1 is electrically connected to the second input terminal 24 of the input element 20 , and the capacitive element C1 is electrically connected to the second input terminal 24 of the input element 20 The first input terminal 22 and the capacitive element C1 are electrically connected to the second input terminal 24 of the input element 20, and the capacitive element C1 is connected in parallel with the resistive element R1. In an embodiment of the present invention, the input voltage Vcc can be controlled in an ideal state by the bias property of the transistor 40 being a MOSFET, which is used to improve the three-by-three array. In addition to the performance of the module 100, the temperature rise of the three-by-three array module 100 is further reduced. In addition, the transistor 40 can be a junction field effect transistor (JFET) or an insulated gate dual-carrier field effect transistor (IGBT). , High Carrier Mobility Transistor (HEMT) or Metal Semiconductor Field Effect Transistor (MESFET).

Continuing from the above, please continue to refer to the second and third figures, the second figure is the block diagram of the UV curing device for the panel of the creation, and the third figure is the circuit diagram of the UV curing device for the panel of the creation, in this embodiment In the present invention, the constant current control circuit 50 is electrically connected to the transistor 40 , and the light-emitting unit 60 is electrically connected to the constant current control circuit 50 . In an embodiment of the present invention, the constant current control circuit 50 is used to control the current of the input voltage Vcc, so as to avoid excessive current, which may cause the entire circuit to burn out, or excessive current, which may cause the plurality of light-emitting units 60 to be multiplied. Each of the light-emitting elements 62 is damaged, and at the same time, the damage of the light-emitting elements 62 is prevented from correspondingly irradiating the sealant frame 210 of the panel 200 .

Continuing from the above, please continue to refer to the fourth and fifth pictures. The fourth picture is a schematic diagram of the UV curing device of the panel applied to the three-by-three array module irradiating the sealant frame, and the fifth picture is the creation. The cross-sectional view of the ultraviolet curing device of the panel, in this embodiment, an ultraviolet light UV is emitted through the light-emitting elements 62, and the wavelength of the ultraviolet light UV is 365nm~405nm, and the light-emitting elements 62 are between each There is a center distance D1 and a vertical distance D2 between the light emitting elements 62 and the panel 200 , and the ratio between the center distance D1 and the vertical distance D2 is 0.5-1. In an embodiment of the present invention, the wavelength of the ultraviolet light UV produced by the present invention is 365nm-405nm, which is longer in wavelength and has strong penetrating power, which means that the ultraviolet light is emitted through the light-emitting elements 62 UV light, which can make the sealant frame 210 of the panel 200 achieve the effect of curing, and is used to avoid the use of short-wave or medium-wave due to the wavelength of the ultraviolet light UV in the prior art, except that the sealant frame 210 of the panel 200 cannot be used In addition, the panel 200 has negative effects such as pollution.

式(一) In addition, referring to FIG. 5, the center distance D1 is set between the light-emitting elements 62 and the vertical distance D2 is set between the light-emitting elements 62 and the panel 200, so that the The sealant frame 210 is uniformly irradiated, so as to avoid uneven irradiation, which further affects the display quality of the panel 200 . As shown in Figure 5, in the single array of the three-by-three array modules 100 of the present invention, the three modules 70 in the cross section are the width W of the single array, and the width of the single module 70 is W/3 , the vertical distance D2 between the light-emitting elements 62 and the panel 200, the tangent function of the two is:

Formula (1)

式(二) Further take the inverse trigonometric function of formula (1), that is, take the arc tangent function as:

Formula (2)

As shown in the above formula (2), it can be seen that an irradiation angle θ of the light-emitting elements 62 corresponds to a width W of a single array (one-third of the width W is the width of a single module 70, W/3). The vertical distance D2 between the light-emitting elements 62 and the panel 200 , that is, the illumination angle θ of the light-emitting elements 62 is one of the width W/3 of the module 70 and the vertical distance D2 The arc tangent function is shown in formula (2). Therefore, in the three-by-three array module 100, the present invention sets the light-emitting elements 62 and further sets the height of the placing table 220, and sets the vertical distance D2, thereby allowing the light-emitting elements The irradiation angle θ of 62 enables the light-emitting elements 62 to irradiate the sealant frame 210 uniformly, so that the sealant frame 210 is uniformly cured.

Continuing the above, please also refer to the fifth figure, which is a cross-sectional view of the UV curing device for the panel of the present invention. In this embodiment, the three-by-three array module 100 of the present invention further includes a placing table 220 . The panel 200 is disposed above one of the placing tables 220 , and the light-emitting unit 60 of the present invention is disposed above one of the placing table 220 and the panel 200 . In one embodiment of the present invention, the panel 200 can be placed above the placing table 220, and the module 70 can be controlled to be on or off through the programmable logic control unit 10, which means that the user Through the programmable logic control unit 10 corresponding to the state of the module 70 being on or off, when the user turns on the module 70 correspondingly, the light-emitting elements 62 of the light-emitting unit 60 emit the ultraviolet light UV, so that the The ultraviolet light UV is correspondingly irradiated on the panel 200 , which can make the three-by-three array module 100 of the present invention more flexibly applied. Even the height of the placing table 220 is controlled to adjust the vertical distance D2 between the light-emitting elements 62 and the panel 200 , and the ratio of the center distance D1 to the vertical distance D2 is 0.5-1, and maintain these The illumination angle θ of the light-emitting element 62 makes the three-by-three array module 100 of the present invention more flexibly applied.

Continuing from the above, please refer to the first, fourth and fifth figures. The first figure is a schematic diagram of the UV curing device for the panel created by the creation, and the fourth figure is the application diagram of the UV curing device for the panel created by the creation, and The fifth figure is a cross-sectional view of the UV curing device for the panel created. In this embodiment, the sealant frame 210 of the panel 200 is set at an irradiation position, and the irradiation position occupies the three-by-three array module. 1/1/3 of the area. In one embodiment of the present invention, the area is a combination of the modules 70 located on the centerline of the x-axis of the three-by-three array module 100 according to the disposition position of the sealant frame 210 , or the area is The set position of the sealant frame 210 corresponds to the combination of the modules 70 located on the centerline of the y-axis of the three-by-three array module 100, or the area corresponds to the set position of the sealant frame 210. The combination of the staggered modules 70 of the three-by-three array module 100 located on the centerlines of the x and y axes, through the above-mentioned combination arrangement, more of the light-emitting elements 62 can be irradiated with the ultraviolet light UV correspondingly On the sealant frame 210 of the panel 200, the ultraviolet light UV can penetrate and illuminate the sealant frame 210 of the panel 200, and the ultraviolet light UV can completely illuminate the sealant frame 210 of the panel 200 curing, thereby improving the bonding yield between the touch panel and the display module.

Continuing from the above, please continue to refer to the second and third figures, the second figure is the block diagram of the UV curing device for the panel of the creation, and the third figure is the circuit diagram of the UV curing device for the panel of the creation, in this embodiment Among them, the modulation circuit 30 of the present invention converts an input signal S0 of the input voltage Vcc into a pulse width modulation signal S4. In an embodiment of the present invention, the pulse width modulation signal S4 can be a pulse width modulation signal (Pulse-width modulation, PWM). Through the modulation circuit 30 of the present invention, the input voltage can be The amplitude of Vcc is converted into a pulse of fixed width, that is, the input signal S0 of the input voltage Vcc is converted into the pulse width modulation signal S4. In addition, the input voltage is controlled by the characteristics of the modulation circuit 30 The input signal S0 can increase the reliability of the whole circuit.

Continuing from the above, please continue to refer to the second and third figures, the second figure is the block diagram of the UV curing device for the panel of the creation, and the third figure is the circuit diagram of the UV curing device for the panel of the creation, in this embodiment Among them, the MOSFET 40 of the present invention receives the PWM signal S4. In an embodiment of the present invention, the MOSFET 40 is The resistance in the on-period is low, and the resistance in the off-period is almost infinite. Therefore, the MOSFET 40 is suitable as a switching element to receive the PWM signal S4 through the MOSFET 40 , and According to the PWM signal S4 as the basis for switching, when the PWM signal S4 is at a high level, the MOSFET 40 is turned on to conduct the circuit, and when the PWM signal S4 is at a low level At the level, the MOSFET 40 is turned off and the circuit is disconnected.

Continuing from the above, please continue to refer to the second and third figures, the second figure is the block diagram of the UV curing device for the panel of the creation, and the third figure is the circuit diagram of the UV curing device for the panel of the creation, in this embodiment Among them, the constant current control circuit 50 controls the output power of one of the light-emitting elements 62 according to the PWM signal S4. In an embodiment of the present invention, the constant current control circuit 50 can adjust the output power of the light-emitting elements 62 correspondingly according to a duty ratio of the pulse width modulation signal S4 of the modulation circuit 30 Here, the brightness of the light-emitting elements 62 is adjusted correspondingly by the duty ratio of the pulse width modulation signal S4 to achieve the lighting brightness effect of the light-emitting elements 62 .

It can be seen from the above-mentioned embodiments that the UV curing device provided by the present invention can be irradiated by part of the light-emitting elements 62 to avoid the problem of large energy consumption caused by large-area irradiation, and the damage of a single light-emitting element 62 can be caused by the surrounding light. The other light-emitting elements 62 are reinforced, so it not only saves energy, but also maintains uniformity. Compared with the conventional mercury lamp irradiation, the present invention is more environmentally friendly and less likely to pollute the environment.

To sum up, the UV curing device of the panel of the present invention uses the three-by-three array module to irradiate the sealant frame of the panel correspondingly, and the center distance is set between the light-emitting elements of the present invention. , and setting the vertical distance between the light-emitting elements and the panel, not only makes the sealant frame achieve a uniform curing rate, but also avoids negative problems such as contamination of the panel due to insufficient curing rate. The created programmable logic control unit 10 corresponds to the state of the module 70 being on or off. When the user turns on the module 70 correspondingly, the light-emitting elements 62 of the light-emitting unit 60 emit the ultraviolet light UV, The ultraviolet light UV is correspondingly irradiated on the panel 200 , so that the irradiation position of the three-by-three array module 100 of the present invention is more flexibly applied, and one irradiation position of the sealant frame is set to occupy the three Multiply one-third of the area of a three-by-three array module, and the area is the combination of the three-by-three-array module's module located on the centerline of the x-axis or the three-by-three-array module located in the y The combination of the modules of the center line of the axis or the combination of the modules of the three-by-three array module located on the centerline of the x and y axes; and the three-by-three array modules can be corresponding to the size of the panel through X Or the electrical coupling of the Y-axis achieves flexible and flexible applications.

Therefore, this creation is actually novel, progressive and available for industrial use, and it should meet the requirements of patent application in my country's patent law.

However, the above descriptions are only preferred embodiments of the present creation, and are not intended to limit the scope of implementation of the present creation. All equivalent changes and modifications are made according to the shape, structure, characteristics and spirit described in the patent scope of the present creation. , shall be included in the scope of the patent application for this creation.

10: Programmable logic control unit 20: Input Components 22: The first input terminal 24: The second input terminal 30: Modulation circuit 40: metal oxide half field effect transistor 50: constant current control circuit 60: Lighting unit 62: Light-emitting element 70:Module 100: Three-by-three array module 200: Panel 210: Sealant frame 220: Placement table C1: Capacitive element D1: Center distance D2: vertical distance R1: Resistive element S0: input signal S1: First signal S2: Second signal S4: PWM signal W: width UV: Ultraviolet light Vcc: input voltage

The first picture: it is a schematic diagram of the UV curing device of the panel of this creation; The second picture: It is a block diagram of the UV curing device of the panel of this creation; Figure 3: It is the circuit diagram of the UV curing device of the panel created by this creation; Figure 4: It is a schematic diagram of the UV curing device of the panel of the present creation applied to a three-by-three array module irradiating a sealant frame; and Figure 5: It is a cross-sectional view of the UV curing device for the panel of this creation.

70:Module

62: Light-emitting element

100: Three-by-three array module

210: Sealant frame

Claims (10)

An ultraviolet curing device for a panel is a three-by-three array module, the three-by-three array module is corresponding to a sealant frame of the panel, and the three-by-three array is individually controlled through a programmable logic control unit The ON/OFF of a single X-axis or Y-axis of the array module, one of the three-by-three array modules includes: an input voltage; a modulation circuit electrically connected to the input voltage; an input component including a first input terminal and a second input terminal, the input component is electrically connected to the programmable logic control unit, and the first input terminal of the input component receives a first signal, and the the second input terminal of the input component receives a second signal; a transistor electrically connected to the modulation circuit, the first input terminal and the second input terminal, the transistor is correspondingly turned on/off according to the first signal and the second signal; a certain current control circuit electrically connected to the transistor; and a light-emitting unit, which includes a plurality of light-emitting elements, and the light-emitting elements are electrically connected to the constant current control circuit; Wherein, the light-emitting elements emit an ultraviolet light, the wavelength of the ultraviolet light is 365nm~405nm, and the ultraviolet light is used to cure the sealant frame of the panel, and a center distance is set between the light-emitting elements, respectively, and a vertical distance is set between the light-emitting elements and the panel, and the ratio between the center distance and the vertical distance is 0.5-1. The ultraviolet curing device for a panel according to claim 1, further comprising a placing table, and the panel is arranged above one of the placing tables. The ultraviolet curing device for a panel according to claim 2, wherein the light-emitting unit is disposed above one of the placing table and the panel. The ultraviolet curing device for a panel according to claim 1, wherein the modulation circuit converts an input signal of the input voltage into a pulse width modulation signal. The ultraviolet curing device for a panel according to claim 4, wherein the transistor switches the PWM signal. The ultraviolet curing device for a panel according to claim 4, wherein the constant current control circuit controls the output power of one of the light-emitting elements according to the pulse width modulation signal. The ultraviolet curing device for a panel according to claim 1, wherein the input element further comprises a resistance element, and the resistance element is electrically connected to the first input end and the second input end. The ultraviolet curing device for a panel according to claim 7, further comprising a capacitive element, the capacitive element is electrically connected to the first input end and the second input end, and is connected in parallel with the resistive element. The ultraviolet curing device for a panel according to claim 1, wherein an irradiation position arranged on the sealant frame occupies one third of an area of one third of the three-by-three array module, and the area is the A combination of modules located on the centerline of the x-axis of a three-by-three array module or a combination of modules located on the centerline of the y-axis of the three-by-three array module or of the three-by-three array module located on the x and The combination of the staggered modules of the centerline of the y-axis. The ultraviolet curing device for a panel according to claim 1, wherein an irradiation angle of the light-emitting elements is an arc tangent of a width of the module and a vertical distance between the light-emitting elements and the panel function value.

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