A light sensor is an electronic device used to detect light. It is available in several forms in the global market. Cadmium sulfosolenide photoconductive photocell used in its manufacturing is the component that helps perceive light. This product modifies its resistance value based on the amount of incident light. Light sensors can detect visible light, just like humans. Their principle requirement is electrically charged signals.
The global light sensor market is expected to expand steadily during the forecast period due to the increasing demand from the automotive sector, smart homes, and outdoor lighting applications. It is highly competitive and dominated by a few major players.
The product has applications in consumer electronics and in the automotive, defense, aerospace, industrial, and medical sectors. In terms of voltage, it is classified into the following categories: 0.5 to 5 V, 1.5 to 6 V, 2.4 to 3.6 V, and 3 to 5.5 V. The technology-based divisions of the market include complementary metal–oxide–semiconductors (CMOS), charge-coupled devices (CCD), and contact image sensors (CIS). Geographically, it is distributed over North America, Europe, Asia Pacific (APAC), Middle East & Africa (MEA), and Latin America.
The global light sensors market currently is and anticipated to be primarily driven by an increasing demand for electronic consumer goods such as mobile phones and televisions. For instance, light sensors help reduce power consumption in mobile devices. Moreover, prominent automotive suppliers being in the process of increasing their usage for specific functions is also predicted to propel the market at an exponential rate. The requirement for ambient light sensing, proximity detection, and gesture recognition in electronic devices plays a role as well.
Light sensors are also used to detect light in robotic programs, resulting in rapid technological advancements. However, low profit margins for manufacturers restrains the growth of this product. Smart lighting solutions which are currently trending have been significantly adopted by developing countries, directing lighting manufacturers to introduce light sensors in these devices.
Geographically, in terms of revenue, Asia Pacific (APAC) holds a major share in the global light sensors market as of 2015. Within Asia Pacific, China generates the maximum revenue due to the growing consumer demand for electronic products. On the other hand, North America is projected to be promising with a substantial share in the market. Ever-changing needs of consumers when it comes to electronics and their increasing usage in advanced medical technology equipment are key factors influencing the light sensor market.
The global market is fragmented with the presence multiple players, including Avago Technologies Inc. & Heptagon in Singapore, ams AG in Germany, Elan Microelectronics Corp., Sitronix Technology Corp., & Everlight Electronics Co. in Taiwan, Maxim Integrated Products Inc. & Vishay Intertechnology, Inc. in the U.S., ROHM Co., Ltd. & Sharp Corporation in Japan, (Taiwan), Samsung Electronics Co., Ltd. in South Korea, and STMicroelectronics NV in Switzerland.
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