Why is decreasing market for CCD technology and migration from CCD to CMOS posing as a challenge?
CCD technology follows a different value chain compared to CMOS technology. OEMS are looking to adopt CMOS technology in place of CCD. Thus, migration from CCD to CMOS is posing as a challenge for the market as it requires huge investments, but the OEMs are left with no choice.
OEMs of various applications such as consumer electronics, healthcare, automotive, and security & surveillance may face challenges to meet their customers’ need because of the diminishing market for CCD technology. The implementation of CCD in various applications has already stopped. In the future, it is expected that almost all applications would be based on CMOS sensors.
Major factors driving the growth of the image sensor market include the increasing penetration of image sensors in automobiles, the trend of miniaturization and dual camera in smartphones and tablets, and the demand for improved medical imaging solutions.
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The image sensor market for CMOS technology is expected to grow at the highest CAGR. CMOS image sensors are preferred over CCD sensors owing to small size, low power consumption, ease of integration, faster frame rate, and lower manufacturing cost. Advancement in the CMOS image sensor technology has improved the performance of image sensors, which have increased the penetration of the CMOS technology in consumer electronics. Lower selling price and enhanced performance have been boosting the market for the CMOS technology.
The image sensor market for consumer electronics is expected to grow at the highest CAGR. Consumer electronics is the largest market for the image sensor industry. The major factor for this huge market is the advancements in the CMOS technology, which have tremendously increased the penetration of image sensors into consumer electronics such as smartphones and tablets. Smartphones and tablets accounted for a share of more than 85% of the overall image sensor market for consumer electronics. Enhanced smartphone cameras, along with the inclusion of secondary camera and dual camera, have expanded the image sensor market.
Big players in the market focus on developing and launching new products for smartphones and tablets. In October 2017, Samsung (South Korea) launched two ISOCELL image sensors for smartphone application. These new image sensors cater to the demand for sleeker smartphones with high-resolution image sensors in small chips. The new image sensors offer better low-light quality without camera bump.
High manufacturing cost
Images captured using low-megapixel cameras have numerous drawbacks. The image quality of such images gets reduced while zooming in, cropping, or taking prints. Hence, the demand for high-megapixel cameras is growing. To increase the number of pixels, manufacturers either have to increase the chip size or shrink the pixel pitch. However, a larger chip size would incur higher cost. Also, larger chips because of its larger footprint contradict the idea of lean/thin device. Thus, the only way to produce an image with high resolution and low cost is to shrink the pixel pitch, which is a very complex and expensive process. In most cases, the shrinking of pixel pitch results in reduced photo sensing area, which affects the image performance. As a result, it is inhibiting the growth of the image sensor market.
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