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因为本论坛禁止外链，所以比较麻烦。
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以下全部引用SONY官方数据。引用自sony.net官方产品说明的semi-conductors的industrial image sensors部分。
2014.7 SONY最新型号之一 IMX123
www.sony.net/Products/SC-HP/new_pro/june_2014/imx123_e.html
2014.2 SONY最新型号之一 IMX214
www.sony.net/Products/SC-HP/new_pro/april_2014/imx214_e.html
这款就是目前我们大家用的P7手机所使用的摄像头。也是目前今年发布的几乎所有新款手机都采用的摄像头。
这两个是同一代产品。都比IPHONE5/5S的上一代/上两代产品要领先很多。跟所谓Z2的是同一代产品。产品好坏只有代差。至于像素，那取决于需要。像素多的未必好，像素少的未必差。代差是关键。如果非有人跟Z2比，那么区别只是像素。所谓的防抖，不是光学防抖而是电子防抖、那是通过软件实现的、通过提高ISO、增加降噪、以及一些图像运动算法实现的。任何手机厂商都可以在任何一个同一代的其它型号SONY摄像头上实现。
SONY是绝对不可能“藏着更好的产品给自己用、把上一代产品卖给别人”。日本不是30年前的日本。SONY也不是破产之前的SONY。市场是不会让一个不肯提供最好产品的厂商活在这个残酷竞争的环境中的。
详细说明内容复制如下
IMX123这款上个月最新发布的也是迄今为止最新的产品介绍如下：
Diagonal 6.46 mm (Type 1/2.8) Approx. 3.21M-Effective Pixel Color CMOS Image Sensor
IMX123LQTBack-Illuminated CMOS Image Sensor with Improved Near Infrared Sensitivity for Industrial Applications
Sony has developed the approx. 3.21M-pixel back-illuminated CMOS image sensor IMX123LQT with improved sensitivity in the near infrared range for industrial applications.
Sensitivity in the near infrared range has been increased to 1.5 or more times that of existing models by applying technical know-how for improving sensitivity in the near infrared range developed for front-illuminated structures to the pixels of an industry-leading*1 back-illuminated structure. In addition, this new image sensor is equipped with a variety of functions enabling selection of WDR (wide dynamic range), gain settings and interface according to the application. *1: As of April 2014 (based on Sony´s research) •Back-illuminated structure with 2.5 µm unit pixel •Introduction of technology that improves sensitivity in the near infrared range achieves near infrared sensitivity 1.5 or more times that of existing products. (Approx. 3.8 times that of the IMX136LQJ, and approx. 1.5 times that of the IMX124LQT) •Supports various WDR functions •A variety of gain modes •Low-voltage LVDS/MIPI (CSI-2 compliant) * Exmor R is a trademark of Sony Corporation. The Exmor R is a Sony´s CMOS image sensor with significantly enhanced imaging characteristics including sensitivity and low noise by changing fundamental structure of ExmorTM pixel adopted column parallel A/D converter to back-illuminated type. * STARVIS is a trademark of Sony Corporation. The STARVIS is back-illuminated pixel technology for CMOS image sensors for surveillance camera applications. It features a sensitivity of 2000 mV or more per 1 µm2(color product, when imaging with a 706 cd/m2 light source, F5.6 in 1 s accumulation equivalent), and realizes high picture quality in the visible-light and near infrared light regions.
Back-Illuminated Structure + Improved Sensitivity in the Near infrared RangeGood sensitivity characteristics in the near infrared range are a key requirement of industrial application cameras. This new image sensor realizes even higher sensitivity by combining technology for improving sensitivity in the near infrared range used in front-illuminated structures typified by the existing Sony product, IMX222LQJ,*3 with the pixels of the 2.5 µm unit pixel back-illuminated structure used by the existing Sony product, IMX124LQT.*2
The IMX123LQT has approximately 1.5 times the sensitivity in the 850 nm wavelength range of the existing product, IMX124LQT. Despite having a different pixel size, the low-light picture quality and the sensitivity in the near infrared range are also vastly improved compared to the existing product, IMX136LQJ*4 (2.8 µm unit pixel front-illuminated structure). (See photograph 2.)
In addition, optimization of the pixel separation structure and suppression of color mixing between pixels enables simultaneously reduction of disruption of the color balance and aggravation of color mixing, which easily occur when increasing sensitivity in the near infrared range, and achieves high picture quality in the visible light range. (See photograph 1.)
*2: See the New Product Information released in November 2013.
*3: See the New Product Information released in September 2013.
*4: See the New Products section in CX-NEWS, Volume 68.
A Variety of WDR ModesWDR functions are typically demanded of industrial application cameras. The IMX123LQT is equipped with the four different functions as follows in accordance with the ISP (image signal processor) to be used and the driving to be realized.
1) 14-bit AD drive
This enables expansion of the dynamic range by increasing the quantization resolution with a single exposure.
2) Multiple frame set output function
The exposure time and the gain can be set separately for each frame. This function helps to realize WDR functions, and can also be applied to applications such as bracket shooting.
3) Function that combines two images with different exposure times inside the image sensor and outputs the synthesized image
This function is suited to applications that aim to easily realize WDR when there is no function for combining multiple frames on the ISP side.
4) DOL (digital overlap) drive
This function outputs up to three frames of images alternately on each line. It requires a dedicated ISP, but provides advantages such as improved characteristics in low-light environments compared to conventional WDR that uses multiple frame set output. (See photograph 3.) Multiple DOL drive settings are provided to enable control and data reception in accordance with the ISP used.
* MIPI (CSI-2 compliant) does not support DOL drive.
A Variety of Gain FunctionsNormal analog gain is a maximum of 27 dB. When using the gain expansion function, the frame rate is reduced by half, but the analog gain can be expanded by +12 dB. Together with the digital gain, a gain of up to 63 dB (max.) can be set by just the image sensor.
In addition, high picture quality can be realized by setting the gain separately for each color. In multiple frame set output mode, the gain can also be varied in each frame as described in the WDR item above. Furthermore, a mode is provided that outputs one pixel on two systems and applies gain separately to each output. Noise can be reduced or sensitivity increased through addition of pixel signals by setting a different gain for each of the two systems, or by applying the same gain to both systems and processing the output at the rear end. In this manner, a variety of gain functions are available and can be selected in accordance with the function characteristics to be realized.
InterfacesThe IMX123LQT is equipped with a low-voltage LVDS that can select 8-channel or 4-channel operation and an MIPI (CSI-2 compliant) interface, and these interfaces can be selected in accordance with the camera specifications. The MIPI (CIS-2 compliant) interface supports up to four lanes, so it does not support all IMX123LQT functions, but it enables easy connection with a general-purpose ISP.
In addition, the package is shared with the previously commercialized IMX124LQT, which facilitates common design.
*If the mouse cursor changes over the photo, you can click to see the larger version in a new window. Photograph 1 IMX123LQT Sample Image
Condition: 500 lx F1.4 (QXGA image, 60 frame/s)
IMX123LQT
Internal gain 0 dB
Photograph 2 Comparisons with the Existing Sony Product
Condition 1: 0.06 lx F1.4 (QXGA image, 30 frame/s)
IMX136LQJ (FI 2.8 µm, 2.4 M pixels)
Internal gain 48 dB (Maximum gain)
IMX123LQT (the new product)
Internal gain 63 dB (Maximum gain)
Condition 2: 0 lx (with IR) F2.8 (QXGA image, 30 frame/s)
IMX136LQJ (FI 2.8 µm, 2.4 M pixels)
Internal gain 0 dB
IMX123LQT (the new product)
Internal gain 0 dB
Photograph 3 Sample Images with WDR
Sample images with single exposure
Sample images with DOL-WDR
Table 1 Device Structure
Item | IMX123LQT | Image size | Diagonal 6.46 mm (Type 1/2.8) (QXGA mode)
Diagonal 5.56 mm (Type 1/3.2) (Full HD mode) | Number of effective pixels | 2065 (H) × 1553 (V) approx. 3.21M pixels | Unit cell size | 2.50 µm (H) × 2.50 µm (V) | Optical blacks | Horizontal | Front: 0 pixels, rear: 0 pixels | Vertical | Front: 11 pixels, rear: 0 pixels | Input drive frequency | 54 MHz / 27 MHz /
37.125 MHz / 74.25 MHz | Package | 98-pin LGA | Supply voltage VDD (Typ.) | 2.8 V / 1.8 V / 1.2 V |
Table 2 Image Sensor Characteristics
Item | Value | Remarks | W sensitivity (F5.6) | Typ. | 600 mV | 1/30s accumulation | Saturation signal | Min. | 812 mV | Tj = 60 °C |
Table 3 Basic Drive Mode
Drive mode | Interface | ADC | Frame rate (Max.) | Bit rate (Max.) | QXGA | Low voltage LVDS
serial 8 ch | 12 bits | 120 frame/s | 648 Mbps/ch | Low voltage LVDS
serial 4 ch | 12 bits | 60 frame/s | 648 Mbps/ch | Low voltage LVDS
serial 4ch | 14 bits | 30 frame/s | 594 Mbps/ch | CSI-2 4 lane | 12 bits | 60 frame/s | 702 Mbps/lane | CSI-2 4 lane | 14 bits | 30 frame/s | 594 Mbps/lane | Full HD | Low voltage LVDS
serial 8 ch | 12 bits | 120 frame/s | 594 Mbps/ch | Low voltage LVDS
serial 4 ch | 12 bits | 60 frame/s | 594 Mbps/ch | Low voltage LVDS
serial 4 ch | 14 bits | 60 frame/s | 594 Mbps/ch | CSI-2 4 lane | 12 bits | 60 frame/s | 445.5 Mbps/lane | CSI-2 4 lane | 14 bits | 60 frame/s | 594 Mbps/lane |
*Sony reserves the right to change products and specifications without prior notice.
We introduced new technology to the IMX123LQT that enhances sensitivity in the near infrared range in order to further improve our back-illuminated structure technology, which is one of Sony´s strengths, for industrial applications. In addition, this ambitious image sensor also incorporates new challenges such as new WDR functions and new gain functions.
Our team holds high expectations that this new image sensor can help customers to develop new cameras. Please check the results of the challenges achieved with the IMX123LQT.
SONY IMX214的产品介绍复制如下。
Diagonal 5.867 mm (Type 1/3.06) 13.13M-Effective Pixel Stacked CMOS Image Sensor
IMX214The Industry´s First*1 13M-Pixel CMOS Image Sensor Enabling HDR Output at 30 Frame/s
*1: As of February, 2014 (based on Sony´s research) The recent growth of smartphone users brought more opportunities to share video imaging and still imaging on the internet, and higher picture quality is required even for smartphone cameras.
As the result, smartphone models have started to feature HDR (High Dynamic Range) function to capture the brilliant colors even when pictures are taken against bright light.
Now, Sony is releasing "IMX214", 13M-pixel stacked CMOS image sensor with the unique SME (Spatially Multiplexed Exposure) -HDR technology.
The image sensor is able to output 13M-pixel HDR at the maximum of 30 frame/s, and stabilized and high resolution HDR imaging can be generated for both video imaging and still imaging. •Diagonal 5.867 mm (Type 1/3.06) approx. 13.13M effective pixels •Stacked CMOS image sensor •Supports HDR video imaging (full 30 frame/s, 4K 30 frame/s, 1080p 60 frame/s) •Reduced height structure of back-illuminated structure sensor •Supports MIPI D-PHY ver.1.1 (Max. 1.2G bps/Lane) * Exmor RS is a trademark of Sony Corporation. The Exmor RS is a Sony´s CMOS image sensor with high-resolution, high-performance and compact size by replacing a supporting substrate in Exmor RTM which changed fundamental structure of ExmorTM pixel adopted column parallel A/D converter to back-illuminated type, with layered chips formed signal processing circuits.
SME-HDR TechnologyThe HDR imaging function is one of the effective methods to improve picture quality. The conventional software method to generate one HDR image combining several pictures is not appropriate to capture moving subjects since this method cannot fill the time gap between the respective pictures. Handling several frames is also difficult for high speed video recording which contains big signal processing data.
This time Sony released the IMX214 featuring SME-HDR technology, which is capable of outputting 13M-pixel HDR images. The technology sets two different exposure conditions during shooting and seamlessly performs appropriate image processing to generate optimal images with a wide dynamic range. Therefore, the IMX214 outputs 13M-pixel HDR at 30 frame/s, and brilliant colors are captured even when pictures are taken against bright light for both video imaging and still imaging. (See figure 1.)
As well, this image sensor is capable to handle 4K or 13M-pixel HDR shooting which was not possible in the existing IMX135*2 (featuring BME-HDR function). (See table 1.)
*2: 2012 August 20th News Releases
www.sony.net/SonyInfo/News/Press/201208/12-107E/
Improved Pixel Characteristics of the Back-illuminated Structure SensorSony has been adopted back-illuminated structure for shooting in the high sensitivity and low light conditions, and the IMX214 accomplished further improvements of pixel characteristics with the back-illuminated structure. The on-chip lens and photodiode were placed close to each other for better light collecting efficiency compared with the existing back-illuminated structure. Then incident light characteristics and color crosstalk were improved from the existing product with the back-illuminated structure. (See figure 2 and figure 3.)
The better color crosstalk resulted in higher performance in the color-processed SNR, and consequently high-picture quality can be provided even under low light conditions. Also more efficient incident light characteristics enabled the combination with high CRA lens, which contributes to reduce the height of the module, and adopting small F-number lens also allowed to capture brighter images even with short exposure time.
Miniaturization Using Stacked StructureCameras mounted on the recent smartphones have increasing demands for high-picture quality and compact size to compete on design of the smartphone itself.
The IMX214 adopts the Sony´s specialized stacked structure and accomplished miniaturization while keeping the functions including SME-HDR technology for high-picture quality at the same time. The module size can be cut down and it contributes to the appealing smartphone design.
Figure 1 Comparison of HDR Images
Figure 2 Comparison of Spectral Sensitivity
Characteristics
Solid line: IMX214
Dashed line: IMX135
Figure 3 Comparison of Sensitivity Characteristics
with Different Incident Angles
Solid line: IMX214
Dashed line: IMX135
Table 1 Device Comparison
Item | IMX135 | IMX214 | Image size | Diagonal 5.87 mm | ← | Total number of pixels | 4224 (H) × 3176 (V)
Approx. 13.42M pixels | 4224 (H) × 3200 (V)
Approx. 13.51M pixels | Number of active pixels | 4208 (H) × 3120 (V)
Approx. 13.13M pixels | ← | Fabrication process | Back-illuminated process | Back-illuminated process
+ reduced height structure | Unit cell size | 1.12 µm (H) × 1.12 µm (V) | ← | Output format | MIPI 4, 2 Lane | ← | Control communication interface | I2C | ← | Power supply
specifications | Analog | 2.7 +0.2/-0.1 V | ← | Digital | 1.05 ± 0.1 V | 1.0 +0.15/-0.1 V | I/O | 1.8 ± 0.1 V | ← | Input clock frequency | 6 to 27 MHz | ← | Signal processing function
within sensors | Spot pixel compensation | ✔ | ← | Noise reduction | ✔ | ← | HDR | ✔ | ← | HDR video
specification | Full | Not supported | 30 frame/s | 4K | Not supported | 30 frame/s | 1080p | 30 frame/s | 60 frame/s |
The IMX214 targets that even smartphones can capture clearer still imaging and video imaging, and all project members put our best effort starting from the design to the manufacturing phases.
Please try this image sensor evolving Sony´s unique HDR technology and do not miss the opportunity to make a new imaging experience that Sony is striving for.
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