Cool LeTV S3 Smart LED Projection: The Pursuit of Technology Behind Extreme Brightness

For the entire smart projection industry, the "world's first ultra-thousand-luminous LED smart micro-investment" cool music as the S3's crowdfunding release is tantamount to flat paced thunder, "National Digital Audio and Video and Multimedia Product Quality Supervision and Inspection Center" notarized 1081ANSI lumens The brightness, whether it is an unexpected number of competitors or consumers, relative to the industry's 200-700ANSI lumens brightness performance, Cool Music as the brightness of this S3 Sky Screen Theater, can only be described as subversive.


Through the cool music as the project director Xie Gong learned: S3's brightness enhancement is mainly due to the adoption of OSRAM's new bright P1A light source and dual optical optical engine design. But in fact only enough brightness is not enough! It is also necessary to consider such a high brightness, light energy, heat causes the light engine and the whole machine's optics, electronic components deformation, thermal decay or damage and other issues. It's like a high-performance car. If there is only strong power, but there is no powerful brake and control system to match, it is not a good car, but just a synonym for danger.

Cool LeTV regards the S3 as the ultimate safety and stability of its brightness performance. It not only optimizes the existing heat dissipation system (structure, DMD, fan, heat sink, etc.), but also uses the glass aspheric condenser lens, metal optical body, Ventilation lens design.

Glass aspheric condenser lens

In an optical machine, the closer the energy to the light source is, the higher the energy is, and in which the optical components responsible for the collection of the light source are most easily burned and deformed by the great heat of the light source (the output of the P1A light source is about 3,000 lumens). Most LED smart projectors use a relatively inexpensive plastic aspherical lens for the light collector part. When the projected light output is less than 400 lumens, the problem is not significant. After more than 500 lumens, it is easy to cause the lens during long-term use. Deformation, failure of the whole machine (for example, the highlight model of a brand of 500 lumens level, there have been batches of thermal damage, resulting in the picture appears obvious black clusters and other anomalies).

Cool LeTV S3 in this key part, designed a full glass of aspherical lenses, relative to the plastic condenser, it has a more transparent, heat-resistant, long life a little, easily qualified for thousands of lumens of energy collection, can withstand high for a long time Bright high temperature environment without any deformation or damage.


Metal Optical Machine Body

With the increase of the brightness performance of LED projectors, resulting in a significant increase in power, LED heat is also soaring, when the cool music as the S3 in the breakthrough brightness bottlenecks, 50--70W light source power is also on the machine or even the whole machine cooling Strict requirements were put forward. This means that in addition to the conventional light source heat dissipation and DMD heatsink material selection and use, Cool LeTV S3 must use other unusual measures to ensure the perfect output of ultra-thousand lumen high brightness. In this regard, Cool Music regards the S3 as abandoning the plastic body structure of a conventional optical machine and uses a large amount of magnesium alloys to provide better thermal conductivity and uniformity. This brings a dramatic increase in cost, but in return for a significant improvement in thermal performance. .

Ventilation lens design

Cool LeTV S3 adopted the ventilated lens design for the first time in the industry. The name suggests that this lens can be "ventilated". When it comes to specific functions, it is associated with a word called “thermal defocusing”, that is, when the lens lens is displaced or deformed due to excessive temperature, resulting in blurred images. Usually, the heat of the lens part is not well distributed. , Cool music as the S3 uses this ventilated lens design, a good solution to the lens and lens heat problems.

Of course, these are just the technological expressions extended by the “super-luminous” brightness angle. From these processes, Cool Music regards the new smart projection flagship of S3 as its most open design thinking. In addition to the above-mentioned OSRAM P1A light source, glass aspherical lens, metal optical body, ventilated lens design, there are many devices on the S3 are used for the first time in the industry, such as DTMB digital television system, wall-mounted projection, automatic Focus and so on.

These subversions and innovations also further promoted the hot performance of this product in Jingdong crowdfunding. Crowdfunding price of RMB 1999-2999 was considered as S3. As of June 29, there was 14 days remaining from the end of the crowdfunding period. The amount has exceeded the 10 million yuan mark. According to the person in charge of JD.com's home projectors, it is confirmed that the current crowdfunding of CoolMusic has refreshed the history of home smart projections that has exceeded 10 million at the earliest, and this hot momentum is also pushing S3 into a new home project. .

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