How to use the light guide plate of integrated ceiling led flat panel lamp
When installing the light guide plate, it is necessary to paste the lamp strip in the corresponding position of the base plate with a heat conductive adhesive strip. Install the reflector at the base plate, then install the light guide plate on the reflector, and finally install the diffusion plate on the light guide plate.
The led flat panel light guide plate faces inward on one side. Normally, the smooth surface is in contact with the light guide plate, and the frosted surface (orange noodle) faces outward. This can prevent the light guide plate and the diffusion plate from scratching.
The light guide plate converts the light emitted by the LED point light source into a surface light source by optical technology, and refracts the side LED light through the dot so that the light can be uniformly derived from the front. At present, it is mainly in the form of printed light guide plate, and the quality of the light guide plate will directly affect the brightness and uniformity of the product, which requires good light transmission performance.
Next, we will introduce the installation method of led integrated ceiling lamp for your reference. Draw sketches and field measurements, determine the distribution of room pipes, the height of the room, the location of room facilities and the location of ventilation windows, and then draw a plane sketch of the room according to the size and shape of the room.
The installation method of the reflective paper on the light guide plate of led lamp is as follows. The reflective film of led flat panel lamp is close to the light guide plate, and it is only used as reflected light. You can see that the light of the LED flat panel lamp is very uniform and soft, because the light guide plate is achieved through special printing and cutting technology.
How is the living room LED panel light buzzing when it is powered on?
Drive problems are usually caused by improper assembly or poor quality of the LED power supply system. The LED street lamp that makes this sound uses a switching power supply. There is a high frequency oscillating transformer in the switching power supply, which works with the power switch tube. If the magnetic core of the high-frequency transformer is loose or improperly assembled, and the oscillation frequency is offset, a buzzing sound will occur.
The led lamp is always buzzing when it is installed. It may not be the problem of the line, because the power consumption of the LED lamp is so small that the influence of the line can be ignored.
It may be the problem of the lamp’s power supply circuit, this kind of lamp generally uses the switching power supply to supply power for the LED, if the shock transformer in the power supply is not working properly, it will make a sound, you can try to change a power supply.
What is the cause of the buzzing as soon as the living room light is turned on? the problem with the driver may be the sound of the driver, the screw is loose and the sound of the lamp chassis, you can try to tighten the screw.
Possible reasons are: first, the transformer or inductor above the LED driver resonates, which will produce a buzzing sound. Second, the power of the power line driver does not match the power of the LED light source. Third, caused by the failure of the LED drive itself.
How does the LED panel lamp change color?
1. The color change of led lamp beads uses the principle of three primary colors (red, green and blue). Because human vision is the most sensitive to these three colors, many visible lights are mixed with red, green and blue in different proportions. The same monochromatic light can also be divided into these three kinds of light.
2. The principle of three primary colors is adopted. LED lamp uses white (including cold white and warm white and other lighting white light), red, green, blue (R, G, B) four basic colors of LED lamp bead chips, these lamp bead chips are packaged in a variety of forms, each group of colors can be used separately, and respectively connected with the drive circuit and single-chip microcomputer.
3, generally use LED lights to achieve discoloration in two ways: the use of multi-color chips (usually red, green, blue), the circuit with IC separate control, can achieve monochromatic change, pipelining and other effects.
4. The principle of LED lamp changing light: the LED light source uses the tricolor principle of red, green and blue to form extremely rich colors according to different grayscale. Human eyes are most sensitive to red, green and blue, and most colors can be synthesized according to different proportions of red, green and blue.
5, there are usually two ways to adjust: cold white plus warm white LED, respectively adjust the current of cold white and warm white, that is, luminous flux, to adjust the color temperature of the whole lamp. The light source of red, green and blue can adjust the three-stream value of the three colors to achieve the color temperature control of the lamp.
6. Color: the color can be changed by changing the current, and the LED can easily adjust the energy band structure and band gap of the material by chemical modification to realize red, yellow, green, blue and orange polychromatic luminescence.
Working principle of led flat panel lamp
The main results are as follows: 1. The active layer is the luminous region, and electrons are injected into the PN junction by an external power source. under the action of positive bias, the electrons in the N region will spread to the positive direction and enter the active layer, and the holes in the P region will also spread to the negative direction and enter the active layer. When the electrons are recombined with the hole, spontaneous emission will be produced.
2. The principle of LED panel lights: the heart of LED is a semiconductor wafer, one end of which is attached to a bracket, one end is negative, and the other is connected to the positive pole of power supply, so that the whole wafer is encapsulated by epoxy resin.
3. It may be the unstable power supply at home, or the problem of the power supply circuit of the lamp. It is recommended to ask a professional to check the line or change the power supply. The excessive workload of the power crossflow board can cause this situation.
4. The working principle of the LED panel lamp light guide plate: the reflection point near the light source located on both sides of the light guide plate is small, round and distant, while the reflection point in the middle part of the light guide plate is compact and thick.
5. First of all, the ordinary lamp is a fluorescent lamp, and the luminous principle is different from that of LED lamp. Fluorescent lamp luminescence is that the ballast generates high voltage at the moment of electrification, which stimulates the discharge between the two pins inside the lamp tube, and then excites the phosphor to emit light. This process produces high fever.
6. There are usually two ways to adjust: cold white and warm white LED, respectively adjust the current of cold white and warm white, that is, luminous flux, to adjust the color temperature of the whole lamp. The light source of red, green and blue can adjust the three-stream value of the three colors to achieve the color temperature control of the lamp.
What is the reason for the lighting of led kitchen panel lights?
1. What is seen by the flat panel lamp The light of In fact, after the light is emitted from the LED, the light from the left and right sides is shot onto the plexiglass (acrylic) light guide plate, and then diffused downward through the light guide plate to the illuminated area. This is slightly different from the light projection seen in ordinary light bulbs and LED lighting bulbs.
2, LED flat panel lamp flicker generally has the following possibilities: the chip of the power supply is overheated (may not dissipate heat well), the chip has the highest temperature, beyond this will enter the protected state, at this time there will be flashing lights.
3. The reason for this situation: it may be that the chip of the power supply is overheated and the chip has the highest withstanding temperature. Once it exceeds this, it will enter the state of self-protection, and then there will be flashing lights.
What’s the difference between LED flat panel lamp and LED lamp?
In fact, there is no difference between LED panel lights and LED panel lights. It’s two different names. It’s the same LED lamp. Like some companies, it is generally called LED flat panel lamp, but in its His company may be called LED panel lights.
LED lamp tube, also known as fluorescent tube, fluorescent tube, its light source uses LED as the luminous body.
The difference between LED lights and ordinary lights is The brightness is 3 times that of the ordinary energy-saving lamp and 7 times that of the ordinary incandescent lamp. Save electricity, save power under the same brightness, N times longer life, LED compared with the advantages of ordinary lamps 1, energy saving. 2, long life.
LED has a longer service life than ordinary ones, does not need ballasts, and has high color rendering, so it is a general trend to replace traditional panel lights. The ordinary panel lamp is large, unattractive, short lamp life, high replacement frequency, direct light, glare and poor lighting quality.
