Laser TV world leading LED to QLED”
In 2017, will be an important moment in the television industry, the global TV manufacturers are in the technical route and business development of their respective crossroads." In the United States on January 4th local time on the eve of the opening of CES2017, Hisense group president Liu Hongxin officially announced the technology and product line. That night, in addition to released the world's first brightness, color gamut than LED dual color 4K laser TV, Hisense spotted QLED. Liu Hongxin said that as a new semiconductor nanomaterials, quantum dots with many unique nano properties, is an important material for the [...]
Several Very important points on the purchasing of strong explosion-proof flashlight
To prevent fakes or defective light flashlight, simple and easy to carry, is suitable for household necessities, experts remind consumers, household light LED flashlight to long-term preparation, not with a careless, come in handy at the crucial moment can reduce the loss, enhance self-protection awareness. Light the torch must choose the explosion-proof type, which can be used in fire and other inflammable and explosive places, and is safe and reliable to carefully examine its performance. Buy a large number of explosion-proof flashlight flashlight master a few key points, you can easily buy high-quality flashlight: A. look at the surface: fine [...]
Inspection and repair method for light flashlight
Inspection and repair method for light flashlight If there is a LED light does not shine, please follow the following methods for primary repair: First, determine the fault: unscrew the tail, with a battery cathode, with a metal scissors or tweezers, connecting the battery negative electrode and battery beside the flashlight body bare unoxidized part, to see if the light. If you can, is the flashlight switch, please check in step 3; if there is no light please check the circuit positions and circuit board connections are open welding or soldering welding, please re welding if you can solve the [...]
Analysis of the flashlight battery
Led flashlight is generally used 18650 lithium battery has become the mainstream, and the market on the explosion-proof flashlight battery possession of the number of fake, generally divided into several categories: 1 false capacity: The 18650 China battery technology in the 2200 volume, and many vendors in order to attract consumers, the battery capacity up to 3000 or 3200 false capacity, deceive consumers, reap more benefits. 2 refurbished battery: Refurbished battery from abroad, disassemble the battery, then refurbished by some illegal channels, a false capacity, the tired battery is very dangerous, the consumer is carry on a timed explosives in [...]
The difference between charging LED flashlight and strong LED flashlight
LED flashlight, also known as LEd flashlight, is a new type of light emitting diode as a light source, it has the advantages of power saving, durable, strong brightness, etc.. At present, from the market popular flashlight classification point of view, mainly divided into two: Rechargeable Battery LED flashlight and rechargeable battery flashlight. The rechargeable flashlight, through the classification of the battery is divided into: lead-acid batteries, lithium batteries, NI-H batteries, etc., due to the current low price of lead-acid batteries in the market share of the larger.
Type and purchase of LED flashlight
LED (light-emitting diode) has been used in a variety of electronic equipment for many years, but a few years ago, the production of LED brightness is not too high, the luminous efficiency is also low, so often used only as a indicator. In recent years, with the high brightness LED technology matures, the cost is also declining, a variety of different specifications of the high brightness LED is also widely used in the new lighting equipment. At present, the high brightness of the LED application in the flashlight, it can be said that the most suitable, but because of the [...]
LED flashlight and ordinary bulb flashlight difference
LED is a new type of flashlight, since the advent of white LED, had been pushed out, but at the beginning because of the brightness of the white LED is low, the cost is high, it can be said that the product has been in the laboratory stage, the high price of ordinary people and no one dare have a small part of the military on promotion. With the improvement of the brightness of white LED, reduce costs, and gradually go as the ranks of the masses. The brightness increased mainly due to the brightness of ITO, almost doubled the [...]
A flashlight battery knowledge
Rechargeable flashlight currently in the market is very popular, from the perspective of the flashlight classification is popular in the market, mainly divided into two types: rechargeable battery and rechargeable battery flashlight flashlight and rechargeable flashlight battery, through the classification can be divided into: lead-acid battery, lithium battery, NI-H battery, because the current lead-acid battery the price is cheap, share in the market is big. The article will introduce the related knowledge of battery for everyone. The characteristics of nickel cadmium battery A. high life Battery charge and discharge cycles can provide more than 500 times, the life is almost [...]
The novice needs to understand the basic knowledge of flashlight
One, first said the difference and brightness, we are always asking certain businesses flashlight light not bright ah what is Q2 and so on, let more people ask scratching their heads, XXX business and XXX business that several of the Q5 who is more bright, coma, simply can not answer, so to explain. The first LED early 5MM and domestic straw hat, but in the flashlight jar had eliminated, is now the South Korean Seoul and then a few do, and do more is a brand of electric lamp. The N P Q R brand to distinguish the brightness grade, [...]
Use of strong light flashlight
Work use and outdoor use the flashlight: use ultra high brightness and work shoot far lighting, waterproof outdoor use, hiking need long life etc.. According to the order from generality to individuality, this paper discusses how to choose the suitable flashlight. Easy to use: rechargeable battery explosion-proof flashlight best can charge in the country, even the small village where as long as electricity can be charged or have this property in most cases is the ideal battery AA battery. Power saving: outdoor activities can not carry a large number of batteries, so try to use high efficiency light LED flashlight, [...]
Basic requirements for industrial flashlights
Basic requirements: working flashlight requirements of different working environment on the flashlight is different, according to different types of work, suggests that sellers in the purchase of LED torch. The utility model has the advantages of durability, power saving, high brightness, etc., and a typical green lighting source. Eyes are very sensitive to light LED flashlight, but not direct light. Good LED flashlight with a waterproof function, should pay attention to the purchase of astigmatism. Strong flashlight waterproof, good seismic performance, that is, resistance to fall. New battery power is not too much; in charge, according to the charging speed [...]
Knowledge of incandescent light bulbs
Let's first look at the structure of incandescent bulbs. "PR" is the most common flashlight lamp bulb. They have a contact metal base with a metal ring, a glass cover and a glass capsule containing a filament. The light bulb is the metal ring is fixed on the light, so it will not shift at the time of the collision, but it is possible to break or break the bulb filament. The double - needle bulb is a small glass capsule with a filament and two pins. This bulb is plugged into the socket and fixed on the socket. So [...]