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CMOS Area Image Sensor

CMOS area image sensors are integrated circuits (ICs) that convert light into an electronic signal.  They consist of a photodiode array and multiple CMOS transistors per pixel.

Toshiba has developed CMOS area image sensors to meet the need for high performance and small form factor.  Toshiba's CMOS area image sensors will open up new possibilities with their use of outstanding technologies such as high dynamic range (HDR) that delivers smooth and crisp video, color noise reduction (CNR) and backside illumination (BSI) that offers high sensitivity.  Additionally, these image sensors provide high image quality thanks to advanced CMOS sensor technologies such as micro-lens and photodiode optimizations.  Toshiba's CMOS area image sensors are available with a wide range of resolution from VGA to over 10 million pixels and with a pixel size from 1.12 µm to 5.6 µm, making them suitable for a wide range of applications such as smartphones, tablet PCs, surveillance cameras and automotive cameras.

CMOS Features Overview

  • 1.12 µm to 5.6 µm pixel size and VGA to over 10 million pixels
  • High Dynamic Range (HDR) and Color Noise Reduction (CNR)
  • High-sensitivity backside illumination (BSI) image sensors
  • Available in module, package and die forms.

Toshiba Unveils 20-Megapixel CMOS Image Sensor for High-End Smartphones and Mobile Handsets

Toshiba have announced a new 20-megapixel (MP) 1.12-micron CMOS image sensor (CIS) for high-end mobile handsets and smartphones with 1080p resolution. With an optical height of 1/2.4 inch, the T4KA7 sensor enables the development of camera modules with a z-height of 6mm or less to meet consumer demand for ultrathin and ultralight mobile devices.

The new sensor joins Toshiba’s recently announced 8MP and 13MP 1.12-micron back-side illuminated CIS devices, which enable low-power, high-performance image capture and video recording. The T4KA7 employs high-speed circuit technology that delivers a frame rate of 22 frames per second (fps) at full-resolution image capture – an improvement of 83 percent compared to Toshiba’s previous 20MP sensor.

Toshiba Launches 13 Megapixel Image Sensor with ‘Bright Mode’ High-Speed Video Technology

Toshiba have announced it will offer the T4K82, a 13-megapixel BSI1 CMOS image sensor that allows smartphones and tablets to record full HD video at 240 equivalent frames per second (fps) - the industry’s highest2 frame rate. Sample shipments are scheduled to start in March.

High-speed video recording generally results in underexposed images with short exposure times, making it difficult to increase the frame rate. Toshiba's T4K82 incorporates 'Bright Mode' technology that boosts image brightness by up to four times, realizing full HD video capture at 240 fps equivalent. As a result, the sensor allows smartphones and tablets to record high-quality, high-speed video, and to offer extended imaging functions including smooth slow motion playback and high-speed continuous shooting.


Toshiba's CMOS area image sensors are suitable for a wide variety of applications

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Technical Information

Product Lineup

You can search the entire CMOS Area Image Sensor line up for products that meet your requirements.

Depth Map

A depth map contains the distance data between a camera and objects.  The depth map is output in values.  Toshiba's dual camera module product combined with a dedicated companion LSI simultaneously delivers deep focus images and depth data.  A deep focus image is an image in which foreground and background and all points in between are in focus.

Using the depth map output from the companion LSI, applications can get depth data on each object with simplified calculation.  The depth map can be used for a wide variety of new applications for devices having camera modules and a companion LSI, including refocus, defocus and extraction of any objects of the images, and gesture operation through video images.

Further information on the principles of depth maps.

CMOS Image Sensors related to depth map

Part Number TCM9518MD
Output Image 13 M
5 M × 2 (5 M side by side mode)
5 M (5 M single mode)
Depth map (VGA)
Optical Format (inch) 1/4
Aspect Ratio 4:3
Pixel Pitch (µm) 1.4
Frame Rate
(full) (fps)
24 (max)

HDR (High Dynamic Range)

High dynamic range (HDR) imaging is a feature for capturing images that have a wide contrast range between the lightest and darkest areas. It helps make such images more natural-looking by stretching the dynamic range. Toshiba has developed HDR function for image sensors that can correct high-contrast scenes to produce natural-looking images for both still and video capture. Toshiba's HDR function delivers a smooth and crisp video by reducing blur and false colors that are inherently produced as a result of HDR composition.

Further information on HDR CMOS Sensors

CMOS Image Sensors with HDR

Application Automotive Cameras Surveillance Cameras Smartphones, Tablets
Part Number TCM5117PBA TCM5117PB TCM5114PB T4K05 T4K37 T4K35
Resolution 1080p 1080p VGA 8M 13M 8M
Optical Format
1/3 1/3 1/4 1/4 1/3.07 1/4
Aspect Ratio 16:9 16:9 4:3 4:3 4:3 4:3
Pixel Pitch
2.7 2.7 5.6 1.12 1.12 1.12
Frame Rate (Full)
60 60 60 30 30 30
HDR Capture Function Y Y Y Y Y Y
HDR Compose Function Y Y Y Y
HDR Compress Function Y Y Y

CNR (Colour Noise Reduction)

Colour noise reduction (CNR) is a feature for reducing colour noise that adversely affects the visibility of an image. Toshiba's CNR circuit incorporates a digital filter that compares images between consecutive frames to extract only colour noise artifacts.

It enhances image quality without compromising the sharpness of an image. Toshiba's CMOS image sensors with a CNR circuit offer smaller pixel pitch, higher image resolution and higher image visibility at low illuminance than those without a CNR circuit.

Further information on CMOS image sensors with CNR.

CMOS Image Sensors with CNR

Application Smartphones, Tablets Automotive Cameras Surveillance Cameras
Part Number T4K37 T4K35 T4K71 TCM5117PBA TCM5117PB
Resolution 13M 8M 1080p 1080p 1080p
Optical Format (inches) 1/3.07 1/4 1/7.3 1/3 1/3
Aspect Ratio 4:3 4:3 4:3 16:9 16:9
Pixel Pitch (µm) 1.12 1.12 1.12 2.7 2.7
Frame Rate (Full)
30 30 60 60 60

BSI (Backside Illumination)

A backside illumination (BSI) sensor is a type of image sensor designed to capture the incoming light with the photodiode layer on the backside of the device.

As smartphones and tablets become thinner, lighter and more sophisticated, semiconductor vendors are required to reduce the size and improve the resolution of CMOS image sensors.  However, reducing the pixel pitch of a CMOS image sensor causes a reduction in incident light, which in turn leads to a reduction in sensitivity.
BSI, which receives light at the backside, makes it possible to further reduce the pixel size without causing reductions in the amount of light captured and thus light sensitivity.

Further information on BSI CMOS image sensors.

BSI CMOS Image Sensors

Pixel Pitch
1.12 1.4
Part Number T4K37 T4K35 T4K05 T4K71 T4K34 T4K04
Resolution 13M 8M 8M 1080p 8M 8M
Optical Format
1/3.07 1/4 1/4 1/7.3 1/3.2 1/3.2
Aspect Ratio 4:3 4:3 4:3 4:3 4:3 4:3
Frame Rate
(Full) (fps)
30 30 30 60 30 30

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