Recently, OSRAM Opto Semiconductors was awarded the Bekutz Foundation for its outstanding contribution to the field of direct green-emitting laser research. OSRAM is a synthetic green laser supplier to MicroVision (3019) customer MicroVision. MicroVision previously announced that the company has successfully integrated direct green laser samples from two large manufacturers into the prototype of the pico projector. The industry believes that one of the two direct green laser sample suppliers that Tokman refers to may be the Japanese LED giant Nichia Corporation. Nichia was announced on July 7th and has successfully developed a GaN-based green GaN-based laser diode, which will be delivered in August 2010. Directly emitting green lasers produced by nitriding epitaxial wafers and chip processes can not only achieve hundreds of millions of annual output, but also be filial, lighter and cheaper than the current green lasers on the market. Osram pointed out that the special beam characteristics of the laser give the laser pico projector an infinite sharp depth and a very high resolution beyond the LED source. The low spectral bandwidth of a semiconductor laser can provide a realistic color display and sharp contrast. For many end applications, the successful development of direct green emission lasers is an important milestone.
Neck bluetooth headset - a bluetooth headset with headphone cables or accessories running from the neck to the ear when wearing. It is a product developed in recent years.
Born: in order to solve the boring when running or control the exercise rhythm, many people choose to listen to music,however, experienced people all know that because of the swing in the process of exercise, the earphones are easy to fall off, which makes it difficult to run coherently and constantly ,under this circumstance, the bluetooth neckband headphones was designed.
Features:
1: There is no restrained from headphone cables.
2: In line with the development trend of headphones: From the perspective of the development trend of consumer headphones, bluetooth neckband headphones should be regarded as the general trend. Whether it is sports headset or head-worn headset, many manufacturers are vigorously developing bluetooth headset to occupy the market.
3: Not affected by audio interface
More and more flagship mobile phones are also trying to cancel the audio interface, which is the important reason for the generation of bluetooth neckband headset. As long as the device that supports bluetooth music play is ok, the audio interface will not be considered.
4: No burden when running
Sports neck hanging bluetooth headset is light and easy to wear, more convenient and fast storage, no knot, more relaxed entertainment sports, let you run zero burden.
5: Waterproof and sweat-proof are very important
When exercising, people will sweat a lot, which may cause some damage to the ears. The bluetooth neckband headphones adopts the IPX5 waterproof design, which is more suitable for sports scenes. Especially in summer, when sweat is easy to happen, it is necessary to use the bluetooth neckband headphones.
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