The well-known Japanese semiconductor manufacturer ROHM (headquartered in Kyoto, Japan) has developed a "CSL0701 / 0801 series" product with a lens mounted surface mount small, high output LED, which is used for autofocusing of digital cameras or mobile phones with camera functions, etc. The best product for auxiliary light source.

Through ROHM's unique component processing technology and optical design, the industry's smallest level of 2924 size (2.9 & TImes; 2.4mm) has been achieved. Compared with previous products, the installation area is reduced by 65%, the height is reduced by 30%, and it is thinner and lighter.

Samples of this product have been sold in January 2013 (sample price is 500 yen / piece), and mass production has begun in June 2013 with a monthly output of 500,000. The production base is ROHM-Wako Electronics (Malaysia) Sdn. Bhd. (Malaysia).

In recent years, digital cameras and some mobile phones with camera functions are rapidly developing toward miniaturization and high performance. Therefore, the requirements for miniaturization and thinning of electronic components used are also increasing. In addition, with the multifunctional development of these devices, the current is increasing, so the demand for lower power consumption products is also increasing.

On the other hand, in order to accurately measure the focus, the lens LED for autofocus auxiliary light needs to emit a sufficient amount of light to the subject. Therefore, hemispherical lenses are generally used, which makes it difficult to achieve compactness and thinness.

Since ROHM was the first in the industry to develop side-view LEDs for auto-focus assist light with automatic reflow soldering, related products have become increasingly compact and high-performance, and have been proud of their high market share.

The LEDs developed this time use smaller-sized light-emitting elements and optical design of CAE (Computer Aided Engineering) technology, and the use of ROHM's exclusive mold technology uses aspheric lenses to achieve surface-mount LEDs for aspheric lenses The industry's smallest class size of 2924 (2.9 & TImes; 2.4mm). Compared with the previous products, the installation area is reduced by 65%, the height is reduced by 30%, and it is lighter and thinner.

In addition, due to improved heat dissipation characteristics, the small size can achieve high output power. When designed with the same brightness as the previous products, it can also achieve lower power consumption.

Not only that, in order to accurately receive light from distant objects, the optical axis deviation is controlled to ± 3 ° in the design, and the package also has two types of top-view and side-view types, which gives customers greater freedom of design. ※ Sample sales and mass production time of individual products may change.

<Features>

1) Realize the industry's smallest level of size, the installation area is greatly reduced

As a surface-mount LED with aspherical lens, it achieves the industry's smallest level of 2924 size (2.9 & TImes; 2.4mm / top-view type). The installation area is reduced by 65%, the height is reduced by 30%, and it is more thin and light.

2) High output power helps to achieve lower power consumption

Although small, it can achieve high output. For example, the power consumption when 50cd brightness is required can be reduced by about 25% compared with the conventional product.

3) Narrow pointing angle and excellent directivity

The ultra-narrow pointing characteristic is achieved, the deviation of the optical axis is controlled within ± 3 °, and high-precision autofocusing is possible.

4) We also have side-view products that can be surface mounted

Customers can freely choose from two types of top-view type (CSL0701) and side-view type (CSL0801) according to product design needs. New side-view products have been added, with a richer product lineup and greater customer design freedom.

<Specification>

<Term Explanation>

? CAE (Computer Aided Engineering) technology

Before the actual production of the product, the technology confirmed by computer simulation test in advance.

【About ROHM】

ROHM is one of the world's leading semiconductor manufacturers. Founded in 1958, it is a multinational group company headquartered in Kyoto, Japan. "Quality first" is the consistent policy of Roma. We always put product quality first. No matter how difficult it is, it will provide a large number of high-quality products for domestic and foreign users, and contribute to the progress and improvement of culture.

After more than half a century of development, Roma's production, sales, and R & D networks have spread all over the world. Products involve multiple fields, including ICs, discrete components, optical components, passive components, modules, semiconductor applications, and medical appliances. In the world's electronics industry, Roma's many high-quality products have received market approval and praise, becoming the leading enterprise in system IC and the latest semiconductor technology.

ROHM attaches great importance to the Chinese market. It has successively set up a number of representative offices across the country, opened factories in Dalian and Tianjin, and set up design centers and quality assurance centers in Shanghai and Shenzhen to provide technical and quality support.

[About ROHM's business development in China]

As the sales outlet in the Chinese market, ROHM Semiconductor Hong Kong Co., Ltd. was established as early as 1974. Subsequently, Roma Semiconductor (Shanghai) Co., Ltd. was established in 1999, Roma Semiconductor Trading (Dalian) Co., Ltd. was established in 2003, and Roma Semiconductor (Shenzhen) Co., Ltd. was established in 2006. In order to quickly and accurately respond to the requirements of the expanding Chinese market, ROHM has established a one-stop system in China that integrates development, sales, and manufacturing with ROHM Japan. As a characteristic of Roma, we actively carry out "close to customers" sales activities, and strive to provide customers with thoughtful services. Since the establishment of five inland regions such as Xi'an, Chengdu, Chongqing, Wuhan, and Changchun since the second half of 2010, there are currently 22 sales outlets nationwide, including Hong Kong, Shanghai, Dalian, and Shenzhen Sales company and its 18 branches (branch: Beijing, Tianjin, Qingdao, Changchun, Nanjing, Wuxi, Suzhou, Hangzhou, Ningbo, Xi'an, Wuhan, Dongguan, Guangzhou, Huizhou, Xiamen, Zhuhai, Chengdu, Chongqing). And, it is gradually expanding its distribution network.

As a technology base, it has design centers and QA centers in Shanghai and Shenzhen to provide technical and quality support. The design center is equipped with development and design support personnel who are proficient in various markets, and can make technical proposals in accordance with customer needs in the form of comprehensive solutions from software to hardware. And, when the product has a bad situation, the QA center will reply to the appeal within 24 hours.

As production bases, production plants were established in Tianjin (Rohm Semiconductor (China) Co., Ltd.) and Dalian (Rohm Electronics Dalian Co., Ltd.) in 1993. Production of diodes, LEDs, laser diodes, LED displays, light sensors in Tianjin, power modules, thermal print heads, contact image sensor heads, picture link modules, LED lighting modules, light sensors, LED displays in Dalian Production, as Roma's main production base, continuously provides high-quality products to China and abroad.

In addition, as a part of social contribution activities, Roma is also committed to strengthening cooperation with many domestic and foreign research institutions and enterprises, and actively promoting joint research and development activities of industry, university and research institutes. In 2006, Tsinghua University signed an industry-university joint framework agreement, and actively launched the industry-university cooperation on the development of the most cutting-edge technology of electronic components. In 2008, it donated money to build the "Tsinghua Roma Electronic Engineering Museum" in Tsinghua University, and it was completed in April 2011. In 2012, the "Tsinghua-Rome Joint Research Center" was established at Tsinghua University to engage in joint research projects such as "microenergy devices, silicon luminophores, biosensors, and China's digital broadcasting (demodulators)". In addition to Tsinghua University, Roma has also carried out industrial-academic cooperation with universities such as Xi'an Jiaotong University, University of Electronic Science and Technology, Zhejiang University and Tongji University, and has continuously produced fruitful results.

ROHM will build a solid cooperative relationship with customers based on solid technical support and customer service system that integrates development, production and sales based on the accumulated technical strength, high quality and reliability for many years. Chinese companies have made positive contributions to improving customer product strength, customer business development, and China's energy conservation and environmental protection cause.

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