According to our (Global Info Research) latest study, the global Ambient Light Sensor market size was valued at US$ 643 million in 2025 and is forecast to a readjusted size of US$ 908 million by 2032 with a CAGR of 5.1% during review period.
In 2024, global Ambient Light Sensor production reached approximately 971 million units, with an average global market price of around US$ 0.61 per unit.
Ambient Light Sensor (ALS) is a sensor used to detect the ambient light level. It is often used to automatically adjust the brightness of the device screen to provide a better user experience and longer battery life. The ambient light sensor can automatically adjust the brightness of the device's screen by detecting the light level of the surrounding environment. When the surrounding environment becomes dark, the sensor will automatically reduce the brightness of the screen to avoid the glare of the brightness causing damage to human eyes, and it can also extend battery life. On the contrary, when the surrounding environment is bright, the sensor will automatically increase the brightness of the screen to ensure that the user can clearly see the screen content.
The ambient light sensor (ALS) industry chain is closely centered around optical signal sensing and conversion technology. Its upstream core lies in the design and manufacturing of semiconductor materials, optical filters, and specialized chips. This segment has high technical barriers, with international semiconductor giants dominating the supply of key chips. Optical and packaging materials are fundamental to achieving precise light sensing. The midstream, encompassing sensor module manufacturing and integration, is highly concentrated, primarily led by international manufacturers such as ams-OSRAM, Broadcom, and STMicroelectronics. Chinese manufacturers such as Shengjia Electronics are also catching up, focusing on domestically produced mid- to high-end products.
The industry chain is evolving towards higher precision, lower power consumption, and miniaturization, with integration of functions such as proximity sensing and color temperature detection becoming a trend. The challenge lies in further optimizing energy efficiency to meet the ultra-low power requirements of IoT devices and expanding penetration into cost-sensitive applications. Furthermore, some high-end core components remain imported.
Ambient light sensors are currently widely used in smart devices. In smartphones in particular, they are primarily used to automatically adjust screen brightness, saving battery life and improving user experience. With the rapid development of smart hardware, the ambient light sensor market is becoming increasingly diversified and sophisticated. Consumers are increasingly demanding higher battery life and display quality. Ambient light sensors accurately detect ambient light intensity and automatically adjust display brightness, effectively extending battery life and enhancing visual comfort.
Beyond smartphones, ambient light sensors are also widely used in the smart home sector. For example, smart lighting automatically adjusts brightness based on ambient light levels, improving energy efficiency and providing a more comfortable user environment. Furthermore, in the automotive industry, ambient light sensors are used to automatically adjust interior and exterior lighting systems, playing a key role in improving driving safety and comfort.
In the future, ambient light sensors will develop in the following directions:
Intelligence and integration: With the continuous advancement of the Internet of Things (IoT) technology, the application scope of ambient light sensors will further expand. Future sensors will not be limited to smartphones or home appliances but will be embedded in a wider range of smart devices, such as wearables and smart medical devices. Advances in integration technology will enable ambient light sensors to be integrated with other sensors (such as temperature and pressure sensors), providing more functionality and further enhancing the user experience.
Miniaturization and Low Power Consumption: As smart devices become thinner and more efficient, ambient light sensors will continue to evolve towards miniaturization and low power consumption. In particular, in areas such as wearables and automotive, sensor size and power consumption requirements are becoming increasingly stringent. Therefore, future ambient light sensors will need to achieve higher accuracy and lower power consumption within a smaller footprint.
High Precision and Multifunctionality: As the light sensing requirements of smart products continue to increase, future ambient light sensors will move beyond simple brightness detection and may expand to more complex functions such as color temperature sensing and spectral analysis. By combining with other sensor technologies, ambient light sensors will enhance their sensing capabilities across multiple dimensions, providing more comprehensive and accurate data support for smart devices.
5G and Smart City Promotion: With the widespread adoption of 5G technology and the development of smart cities, ambient light sensors will find application in even more areas. For example, in smart buildings, ambient light sensors can work with smart windows and lighting systems to adjust indoor ambient light and improve energy efficiency. Furthermore, ambient light sensors will also play a vital role in autonomous driving, helping onboard systems better perceive changes in external lighting and optimize the vehicle's driving lighting and visibility.
Material Innovation and Performance Enhancement: To adapt to diverse environmental conditions, future ambient light sensors may incorporate novel materials, such as two-dimensional materials and nanomaterials, to further enhance their sensitivity, response speed, and durability. These materials will not only improve sensor performance but also facilitate their application in extreme environments, such as industrial and agricultural sectors.
Global key players of Ambient Light Sensor include Sensortek, Broadcom, STMicroelectronics, SILICON LABS and ams-OSRAM AG, etc. The top five players hold a share over 55%. China is the largest market, has a share about 45%.
This report is a detailed and comprehensive analysis for global Ambient Light Sensor market. Both quantitative and qualitative analyses are presented by manufacturers, by region & country, by Type and by Application. As the market is constantly changing, this report explores the competition, supply and demand trends, as well as key factors that contribute to its changing demands across many markets. Company profiles and product examples of selected competitors, along with market share estimates of some of the selected leaders for the year 2025, are provided.
Key Features:
Global Ambient Light Sensor market size and forecasts, in consumption value ($ Million), sales quantity (M Units), and average selling prices (US$/Unit), 2021-2032
Global Ambient Light Sensor market size and forecasts by region and country, in consumption value ($ Million), sales quantity (M Units), and average selling prices (US$/Unit), 2021-2032
Global Ambient Light Sensor market size and forecasts, by Type and by Application, in consumption value ($ Million), sales quantity (M Units), and average selling prices (US$/Unit), 2021-2032
Global Ambient Light Sensor market shares of main players, shipments in revenue ($ Million), sales quantity (M Units), and ASP (US$/Unit), 2021-2026
The Primary Objectives in This Report Are:
To determine the size of the total market opportunity of global and key countries
To assess the growth potential for Ambient Light Sensor
To forecast future growth in each product and end-use market
To assess competitive factors affecting the marketplace
This report profiles key players in the global Ambient Light Sensor market based on the following parameters - company overview, sales quantity, revenue, price, gross margin, product portfolio, geographical presence, and key developments. Key companies covered as a part of this study include Broadcom, STMicroelectronics, Sensortek, Renesas Electronics, Onsemi, ams-OSRAM AG, LITE-ON Technology, Texas Instruments, Vishay, SILICON LABS, etc.
This report also provides key insights about market drivers, restraints, opportunities, new product launches or approvals.
Market Segmentation
Ambient Light Sensor market is split by Type and by Application. For the period 2021-2032, the growth among segments provides accurate calculations and forecasts for consumption value by Type, and by Application in terms of volume and value. This analysis can help you expand your business by targeting qualified niche markets.
Market segment by Type
Analog IC
Digital IC
Market segment by Functional Integration
2-in-1
3-in-1
Others
Market segment by Application
Smart Phone
Tablet
Laptop
Others
Major players covered
Broadcom
STMicroelectronics
Sensortek
Renesas Electronics
Onsemi
ams-OSRAM AG
LITE-ON Technology
Texas Instruments
Vishay
SILICON LABS
Rohm Semiconductor
Everlight
Melexis
Sharp Corporation
Nisshinbo Micro Device
KODENSHI
Maxic Technology
CR Micro
Epticore Microelectronics
Sensonia
Nanjing Tianyihexin Electronics
Market segment by region, regional analysis covers
North America (United States, Canada, and Mexico)
Europe (Germany, France, United Kingdom, Russia, Italy, and Rest of Europe)
Asia-Pacific (China, Japan, Korea, India, Southeast Asia, and Australia)
South America (Brazil, Argentina, Colombia, and Rest of South America)
Middle East & Africa (Saudi Arabia, UAE, Egypt, South Africa, and Rest of Middle East & Africa)
The content of the study subjects, includes a total of 15 chapters:
Chapter 1, to describe Ambient Light Sensor product scope, market overview, market estimation caveats and base year.
Chapter 2, to profile the top manufacturers of Ambient Light Sensor, with price, sales quantity, revenue, and global market share of Ambient Light Sensor from 2021 to 2026.
Chapter 3, the Ambient Light Sensor competitive situation, sales quantity, revenue, and global market share of top manufacturers are analyzed emphatically by landscape contrast.
Chapter 4, the Ambient Light Sensor breakdown data are shown at the regional level, to show the sales quantity, consumption value, and growth by regions, from 2021 to 2032.
Chapter 5 and 6, to segment the sales by Type and by Application, with sales market share and growth rate by Type, by Application, from 2021 to 2032.
Chapter 7, 8, 9, 10 and 11, to break the sales data at the country level, with sales quantity, consumption value, and market share for key countries in the world, from 2021 to 2026.and Ambient Light Sensor market forecast, by regions, by Type, and by Application, with sales and revenue, from 2027 to 2032.
Chapter 12, market dynamics, drivers, restraints, trends, and Porters Five Forces analysis.
Chapter 13, the key raw materials and key suppliers, and industry chain of Ambient Light Sensor.
Chapter 14 and 15, to describe Ambient Light Sensor sales channel, distributors, customers, research findings and conclusion.
Summary:
Get latest Market Research Reports on Ambient Light Sensor. Industry analysis & Market Report on Ambient Light Sensor is a syndicated market report, published as Global Ambient Light Sensor Market 2026 by Manufacturers, Regions, Type and Application, Forecast to 2032. It is complete Research Study and Industry Analysis of Ambient Light Sensor market, to understand, Market Demand, Growth, trends analysis and Factor Influencing market.