TWI226791B - LED light source apparatus - Google Patents

Abstract

The present invention is related to a kind of LED light source apparatus that contains the followings. A long printed circuit board (PCB) is provided with plural side faces. Plural RGB LED units are arranged on one side face of the long PCB; and each RGB LED unit has a red LED, a green LED, and a blue LED. At least one control unit is electrically connected to each LED of plural RGB LED units such that it is capable of controlling the drive current of each LED for the LED to emit white light with the predetermined color temperature. In addition, each control unit is provided with a memory unit to store the drive current data for each LED.

Description

1226791 In the pan-family home light group, the example is 0, the guide edge is the example, and the question 2 is a description of the invention. (1) The invention belongs to a light source device. Previous technology] Generally, the manufacturer of the light source display and the backlight, which is in demand, is the first one. The edge light is located at the light diffusion. 2 The outer part is 1 0 under 10 and the package is a conventional backlight module. 1 is a CC 2 The emitted light sheet 1 0 0 lens and light expansion are like liquid crystal display questions: (1)) Luminous efficiency ----- Technical field] As for the installation of a light emitting diode light source, the tongue is more related to the service process The light-emitting diodes that emit white light with stable color temperature are used by Volkswagen devices, especially the R & D diagrams of polar modules, etc., which are recognized in the home market due to the focus. Edge light-emitting backlight white light source is 4 f + device wide-scanning cat and fax machine. The color is flat, and its technical improvement method is also for various backlight modules. 10 includes a flat sheet 1 0 0 — side lights and surface lights. One of the tube reflection reflectors 10 and the light diffusion side is anti-panel technology, because 0 is used for FL lamps, or is. The backlight of the light guide diffuser and other components need to be pressed, and it will be displayed with the temperature (this is not a flat surface here). It can send 100 pieces of lamp reflectors to make the light source. However, the I area moves, and the electricity changes. Tubes 10, 106, 〇 When the panel and other groups repeat the display, a white light sheet 1 0 can be uniformly wired, but the cc source circuit does not audit the group 1 〇 plate-shaped light guide 2, Wrap 4, located on the edge of the light-emitting parts, 隹 Yes. If it is, the lamp and the reflection of the white light 4 and the reflection sheet are emitted from the front of the FL lamp. The leaves are less able to provide a stable decomposition picture 1 0 0 in the flat-plate-guided backlight mode of the lamp because the edges emit light 1 0 2 (Guided from lamp 1 to 10 6, scattered, provided the following will be provided, (fixed light source;

1226791 V. Description of the invention (2) and (3) The influence of the lamp tube on the display quality is not ideal. With the luminous power, another color luminescence system is the application of the light-emitting area under the process current. Light drawing quality. Diode photodiode The following two powders, however, are the problem of dichroic light emitting diodes. Because of the difference, it may also be generally provided: (light efficiency mixed light into light emission three-color hair is the same as expected [invented the invention is a stable device,

In terms of the number of R-side polar and diode diodes, 1) blue will be affected by fluorescent white, and the diode light dipolar curve color temperature ° Contents] The invention ’s fixed color temperature has been achieved to include GB hair, each green Light; at least on both sides of the unit. The above light module is also a diode to replace the white light emitting light emitting powder. However, the light source will be produced, even if the light efficiency mentioned in Example 10 will affect the diode effect of the mature lamp. Knowing that red and blue have poor color temperature, they can be pre-ordered poorly. It is used in a light source color and rlj bright light source. The body light source is compatible with yellow (2). Green is not easy to control. It will benefit from operation. V 4% \\ Display scan The temperature and sweep of the blue light can be changed from fluorescent red, blue, and green. Therefore, if the tube 10 is developed in the manner provided, the light source will emit white, red, blue, and green, and there will be no non-main purpose. Provided is a light emitting diode light source device capable of suppressing white light. The clothing process is different and for the above purpose, the present invention provides a squeezing:-long printed circuit board, I have:: polar body light, stop-H touch? s-, and another side; the multi-light monopole is early, arranged in the long one RGB light-emitting diode unit has a circuit board ^ light-emitting diode, a blue light-emitting diode = light-emitting ^ a-control unit, electrical Connected to the most hidden light-emitting diodes, each light-emitting diode can be controlled.

1226791 V. Description of the invention (3) Drive current so that each R G B light emitting diode unit emits white light with a predetermined color temperature. Furthermore, each control unit has a memory unit to store driving current data for each light emitting diode. The memory unit may be E E P ROM. The long printed circuit board is made of a material with good thermal conductivity, such as a Shao substrate or a copper substrate. In order to allow your reviewers to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention, but the drawings are provided for reference and explanation only, and are not intended to limit the present invention. . [Embodiment] Please refer to the second view, the third A view, and the third B view, which are a perspective view, an upper view, and a lower view of the light emitting diode light source device 20 of the present invention, respectively. As shown in the second figure, the light-emitting diode light source device 2 of the present invention mainly includes a printed circuit board 20, most of the RGB light-emitting diode units 2 2A-2 2 至少, and at least one control unit 2 4 A-2. 4 C. The printed circuit board 20 is an elongated body, and has a corresponding front surface, a reverse surface, two corresponding side surfaces and two opposite end surfaces. The majority of the RGB light emitting diode units 2 2A-2 2H are disposed on the front side of the long printed circuit board 20, and the control units 2 4 A-2 4 C are disposed on any of the long printed circuit boards 20. On one side, as shown in the second figure, the control unit 2 4A— 2 4 C is placed on the opposite side of the long printed circuit board 20, but it must be noted that the control unit 2 4A — 2 4 C can be placed on the long printed circuit. Board 2 0 on the other surface. Among them, the long printed circuit board 20 uses a thermally conductive

l226791 φ —---- 5. Description of the invention ----- Materials, I, „For example, an aluminum substrate or a copper substrate can be used. The light source is shown in Figure 3A. In this preferred embodiment, light is emitted. The diode-only device 2 has eight groups of light-emitting diode units 22A-22H on the front side of the long printed circuit board 20. Each RGB light-emitting unit has the same structure as a single 22A-2 2H. Figure 4 shows an example of an RGB light-emitting diode unit 2 2 A, which includes a base (fabricated), a red light-emitting diode 3 0 A, and a green light-polar body 3 placed on the base. 〇B and blue light-emitting diode 30 C. The anode and cathode of the red light-emitting body 2 〇A are connected to the contact 3 by a lead wire, respectively, and 3 4 A; the green light-emitting diode The anode and cathode of 3 〇B are connected to contacts 3 2 B and 3 4 B; the anode and cathode of the blue light-emitting 2-0 C are connected to contacts 3 2 l and 3 4 by leads, respectively. C. Light source. As shown in FIG. 3B, in this preferred embodiment, the light emitting diode control unit 2 has three groups located on the opposite side of the long printed circuit board 20. ^ As early as πZΑΑ-240. The control unit 24Α is used to control the driving current of eight or eight red light emitting diodes, and it has eight pins to connect to the RG β light emitting diode unit corresponding to the red light emitting diode. The body = pole contact or cathode contact (for example, 3 2 a or 3 4 A). The control unit 2 4 B is used to control the driving current for eight green light-emitting diodes, and has eight contacts. The feet are connected to the anode contact or cathode contact (for example, 3 2 B or 3 4 B) of the RGB light emitting diode unit corresponding to the green light emitting diode unit. The control unit 2 4 C is used to control the Blu-ray

Light-emitting diode driving current, and has eight pins, respectively connected to R G

1226791 V. Description of the invention (5) A B pole light emitting diode unit corresponds to the contact point of the blue light emitting diode (for example, 3 2 C or 3 4 c). Can be connected with poles or negatives ”A-24C controls eight groups separately ;; by = system: Yuan light, blue light and green light-emitting diode brightness, because = system unit is connected in series with the corresponding light-emitting diode ， Dagger: Each of the control can be connected in parallel with the corresponding light-emitting diode. 、 It can also be connected with Cheng special == two: f ;: polar body; the manufacturing process error, the color temperature of the B light-emitting diode unit 22 Nothing will be the same.-A RG J good RGB light-emitting diode unit 2 2 · 2 :: J group weights, and then the characteristic correction data is stored in the control sheet and the characteristics are not labeled, for example, it can be EE p R 〇 M): = When the inner pole light source device 2 is used, the control unit 24 can read: Two: The light-emitting two = 修-资 #, and then each heart is driven separately; the second is written with == light! Two poles ?: Blue light emission 22 = two-each control sheet 70 can also be-control IC, which can be driven by the driving command: because the driving current is based on the results of Yizheng, to drive each light-emitting diode, Therefore, it can be ensured that the mother RGb light emitting diode units 22 have a predetermined color temperature. Further, please refer to FIG. 5A again. According to another preferred example of the present invention, according to this example, the RGB light-emitting diode unit 2 2 A — 2 Η can be replaced by a majority of two-color light-emitting diode units, and each two-color light-emitting diode unit The polar body unit includes the first light emitting diode 40A and is different in color

1226791

The second light-emitting diode body 4 0 A, the light-emitting diode body is shown in the sixth figure, and the body light source device is electrically connected to the double contacts 4 2 2 B and 4 4 each of the two driving current systems can show the result. An example is the majority of the single early-color luminescence. Figure 9 This luminescence can therefore be obtained by using each luminescence to have a uniform sum of the color temperature of the white light or the availability of a step. ≫ Complete five A picture, the 2 A and 4 4 are connected. Point 4 2 B is a good specific example 〇A and 50 〇 The first light-emitting diode 4 0 characteristic correction data for each light-emitting diode to drive each pole unit is another better element 2 2 A-shown) Body 4 6. Connected to contact point 4 According to the original school, each light-emitting process is different.

The diode 4 〇 is connected to 4 〇 Β through the wiring, according to the hair has at least one color light-emitting diode A and 4 4 AB, so the color-emitting light-emitting diodes according to the original to ensure each of the five B picture, for RGB color emission The diode unit includes the diode 4 6 by the control unit diode, because the result is displayed. The invention is a predetermined color, and the invention product conforms to the invention patent B. See the first connection point, the second vehicle delivery control unit connected to the Ming, and the second luminous unit in the body unit. The two-color luminescence according to the first calibration result in the predetermined body unit. The light-emitting diode unit according to the present invention ( It does not include a light-emitting diode via a wiring connection (not shown). This can ensure that the light-emitting diode can be overcome. It is very industrially advantageous to apply for the first light-emitting diode A, the second and 4 4 B. The light-emitting diode B, And the contact 4 material of the polar body 4 〇 AB respectively drives the polar body. Because the light-emitting diode has a uniform and concrete specific example,

2 2 Η can be replaced, and each sees the fifth A 7 and 4 8, the positive result is to drive the diode unit for the stability ’is really a novelty and method to apply

Page 11 1226791 V. Description of the invention (7), please check and grant the patent in this case in order to protect the rights of the inventor. However, the above is only a preferred embodiment of the present invention. Any equal modifications and changes made in accordance with the scope of the patent application of the present invention shall fall within the scope of the patent of the present invention. For example, the RGB light emitting diode unit is not limited to Eight, and the number of the control unit corresponds to the RGB light emitting diode unit, and the driving current of the light emitting diode in it can be controlled.

Page 12122679 Brief description of the diagram The first diagram is a schematic diagram of the application of a conventional white light source; the second diagram is a perspective view of a light emitting diode light source device according to the present invention; the third diagram A is above the light emitting diode light source device according to the present invention View; Figure 3B is a bottom view of the light emitting diode light source device of the present invention; Figure 4 is a top view of the RGB light emitting diode unit of the light emitting diode light source device of the present invention; and Figure 5A is a view according to the present invention Top view of a light-emitting diode unit according to a second preferred embodiment; FIG. 5B is a top view of a light-emitting diode unit according to a third preferred embodiment of the present invention; and FIG. Bottom view of a light emitting diode light source device of two preferred embodiments. Description of component symbols [Knowledge] 1 0 backlight module 1 0 0 light guide sheet 102 lamp tube 104 lamp tube reflection sheet 1 0 6 reflection sheet [the present invention] 2 light emitting diode light source device 2 0 printed circuit board 2 2 A -2 2 H RGB light emitting diode unit 2 4 A-2 4 Η Control unit 3 0 Α red light emitting diode 3 0 Β green light emitting diode 3 0 C blue light emitting diode

Page 13 1226791

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Claims (1)

1226791 丨 Amendment No. 92132, IMfl # Amendment VI. Patent application scope 1. One-long majority board light body has at least single motion pre-control 2, such as each pole control 3, such as each light 2, 4, such control 5 , Such as the 6, such as the 7, such as a kind of light-emitting printed RG one side diode light circuit board, B light emitting two sides, each source device, its package has a majority of side polar unit, row RGB A light-emitting diode and a green light-emitting diode control unit are electrically connected to the plurality of poles, and can control each current in the RGB light-emitting binary, and apply the color on the special unit \ 3 × ^ --- early. In order to make the two polarities of the polar body of the temperature range of the white polar area, the first control unit has the application of the driving current and the polar area of the polar body. The light-emitting diode and the anode of the first range of the profit range of the first range of the flash circuit board are connected to the point, and then the light-emitting two-bit memory unit data of the first range is connected. Illuminance II of one item I C. The light-emitting diode of item 1 uses the thermal conductivity of the light-emitting diode of item 5 and the light-emitting diode of item 5 includes the surface: the surface; listed in the elongated diode unit body, a blue light RG Β emits each light-emitting diode The light source of the unit emitter is located at the RG B point and is electrically connected to the printed circuit. The light source device having a red light emitting diode and a light emitting device having a light emitting diode corresponding to the light emitting diode has a device. The light source device of each emitter body, its device, its device, the light source device of its 0 pole body, and the material with the best light source of its polar body. Polar Light Page 15 1226791 6. The long seal in the scope of the patent application 8. If the control unit system is applied for, the polar body unit has the R G B generator unit electrically connected to the polar body. 9. If applying for the number of red light controls and RG 1 0 in a junior high school, if applying for more than 1 red light control pins, 1 if applying for each of the controls 1 2. if applying for each of the controls 1 3, if applying for §HAI control Photodiode, stream. 1 4. One kind of hair: The circuit board is made of copper substrate. ", The light-emitting diodes surrounding item 1 include red light 柝 柝-^ τ Youyuan I, where red light ii !, green light control unit and blue light control red come early and are electrically connected to all rgB light-emitting diodes. X-ray monopole; the green light control unit is electrically connected to the so-called monopole® τ. , All the polar bodies are connected to the court; the blue light controls the blue light emission of the rgb light emitting diode unit: the light source device of the light emitting diode of the range item 8, the green light control t unit and the blue light control unit are connected The number of foot hair light-polar body units is the same. Specially, the light source device of the light emitting diode of the 8th range, the number of the RGB light emitting diode units, the control unit, the green light control unit and the blue light control unit are not connected. The unit of the light source device of the light emitting diode of the first range of f is connected in parallel with the corresponding light emitting diode. The light source device of the light emitting diode of the first scope of the patent has a unit connected in series with the corresponding light emitting diode. The light source device of the light emitting diode of the first item of the patent scope, the unit has at least three pins to control the red light emitting green light emitting diode and the blue light emitting diode driving electro-optic light source device, Contains: A long printed circuit board Case No. 921 broken 1226791 Amendment month 6th, patent application scope t Μ ^ Most light-emitting diode units are arranged on one side of the elongated printed circuit board, each light-emitting diode unit has a first light-emitting A diode, and a second light-emitting diode with a color different from the first light-emitting diode; at least one control unit electrically connected to each of the plurality of light-emitting diode units with 2 diodes, The driving current of each light emitting diode can be controlled so that each light emitting diode unit emits light with a predetermined color. 15 Straight: Please connect the cathode and anode of the light-emitting diode in the light-emitting device of the light-emitting diode of item 14 of the scope to the contact of the light-emitting diode, and then electrically connect to the corresponding control via the contact. 16. If the light-emitting two of item i 4 of the scope of patent application is applied, each of them will be reported || 罝; the light source device of the headpiece has a memory unit on the upper Λ, which is stored in the first two of each hair. Driving current data of polar body. ^ Storage for mother 17: in the scope of the patent application No. 4 item, where the control unit is a light source device that controls the j C polar body, such as in the scope of patent application No. ^ 4 狢, where the long printed circuit board Department of operation ^ — polar light source device 19, as the scope of the patent application: the material with good thermal properties. It makes the long printed circuit board be a light source device 20 using a diode, such as an aluminum substrate with a scope of patent application No. 28. It includes the long printed circuit board, the light source device 2 of the light emitting diode, and the copper substrate such as the scope of the patent application. Page of light-emitting diode light source device 1226791 Case No. 92132 (Six, the scope of patent application, which each control 2 2, if applied, of which each control 2 3, if applied, of which the light-emitting diode 2 4, a light One long print most shines two ¥ Month correction unit system patent scope system unit patent scope unit manufacturing equipment and second light emitting diode circuit board, on the surface of the pole unit, each light emitting at least one control each light emitting, so that each light. 2 5. If applied, each unit is a manufacturing unit. 2 6. If the application unit, electric diode, one light-emitting two patent range, light-emitting diode two contacts and at least the first fourteenth and the first fourteenth have at least two light source light sources, the arrayed polar body soap is connected to the The control of the polar body single-phase hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairpin hairdressing two pieces of the body of the drive, the number of sides of the long element has a body parallel connection. The light source device of the body is connected in series. Body light source device Photodiode Photodiode Photodiode Photodiode Photodiode pin to control the first current respectively. Contains: a surface; a light emitting diode on one side of the printed circuit board; each emitter of the predetermined driving current of the body in the plurality of light emitting diode units emits a light emitting diode having item 24 The cathode and anode of the light source device body are connected to the light emitting diode, and then electrically connected to the corresponding control patent range through the contact. The control patent range of each control unit body is the control IC patent range 24. The light-emitting diode 27 of the light emitting diode 27, as applied, wherein the light-emitting device of the light-emitting diode 28, as described in item 24 of the application has a memory unit to store data for each current. Light source device of light emitting diode according to item 24 Page 18 1226791 Case No. 92132〇 + 1 Dad in page Amendment VI. Patent application scope, in which the long printed circuit board is made of a material with good thermal conductivity. 29. The light source device of the light emitting diode according to item 28 of the patent application scope, wherein the long printed circuit board is an aluminum substrate. 30. The light source device of the light emitting diode according to item 28 of the patent application scope, wherein the long printed circuit board uses a copper substrate. Page 19