BrightSide Technologies
BrightSide Technologies was a Vancouver-based display-technology company that developed high-dynamic-range LCD systems using individually controlled LED backlights.
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Overview
BrightSide Technologies Inc. was a Canadian display-technology company headquartered in Vancouver, British Columbia. Formerly known as Sunnybrook Technologies, it was spun out of the Structured Surface Physics Laboratory at the University of British Columbia and focused on commercializing high-dynamic-range, or HDR, imaging and display systems. Its work addressed a central limitation of conventional LCD displays: the inability of a diffuse backlight to produce both extremely dark areas and very bright highlights within the same image. BrightSide's principal invention was an individually modulated LED backlight system for LCD panels, referred to as IMLED-LCD. Instead of relying on cold-cathode fluorescent lamps and a diffusing plastic layer, the system used an array of LED semiconductor elements positioned behind the LCD. Each LED could be controlled across 256 brightness levels, from fully off to maximum luminance. This arrangement allowed the display to produce effectively black regions alongside very bright white areas and substantially increased the visible dynamic range of video and still images. The company described the technology as capable of approaching 4,000 candelas per square metre at peak luminance. Because the lowest theoretical luminance could be zero, a mathematical contrast ratio could be described as infinite. To provide a more practical comparison, BrightSide calculated a quoted contrast ratio of approximately 200,000:1 by using the next-darkest display level rather than an absolute zero denominator. The technology therefore represented an early and influential approach to what later became a major HDR display category. BrightSide developed the DR37-P prototype as a demonstration and professional display product. Its intended applications included medical imaging, computer-aided design, film and television post-production, geophysical data visualization, and satellite imagery. The company also worked on the associated capture, processing, and storage of HDR images, indicating that its ambitions extended beyond panel hardware to the broader imaging workflow required to create and reproduce high-dynamic-range content. The company was led by chief executive Richard MacKellar, while Helge Seetzen served as chief technology officer. Seetzen had worked on the underlying technology while studying at the University of British Columbia and later joined Dolby Laboratories, where he became director of HDR Technology. BrightSide was acquired by Dolby in April 2007 for US$28 million, and Dolby announced completion of the transaction on April 25, 2007. Following the acquisition, BrightSide ceased to operate as an independent company and its technology was renamed and developed within Dolby's portfolio as Dolby Vision. The technology continued to influence professional and consumer display products after the acquisition. SIM2 Multimedia announced a professional Solar Series display based on the technology, while Dolby introduced the Dolby Professional Reference Monitor PRM-4200 in 2010 and the PRM-4220 in 2013. Sony later announced a license to use Dolby Vision technology in Bravia LCD HDTVs. The Dolby team responsible for the professional reference monitor received an Academy Award in 2016 for the technology's contribution to motion-picture imaging; Thomas Wan, one of the original BrightSide employees, was among the Dolby representatives receiving the award. BrightSide is therefore best understood not as a continuing consumer brand, but as an acquired Canadian technology company whose LED-backlight research helped establish the foundations of modern HDR display systems.
History
BrightSide Technologies originated as a spin-out from the Structured Surface Physics Laboratory at the University of British Columbia. The company was previously known as Sunnybrook Technologies and was established to develop commercial applications for research into advanced display surfaces and high-dynamic-range imaging. Its Vancouver base placed it within Canada's university-linked technology ecosystem, while its intended customers were primarily professional and industrial users rather than ordinary television buyers. The company's core innovation was IMLED-LCD, an LCD display architecture with an array of individually controlled LED semiconductors serving as the backlight. Earlier LCD systems commonly used cold-cathode fluorescent lamps whose light was diffused across the panel. BrightSide's approach divided the backlight into controllable zones or elements and allowed each LED to operate through 256 brightness steps. Turning an LED fully off could create an effectively black portion of the image, while driving another element to high luminance could produce an intense highlight. This substantially improved the range between dark and bright portions of a scene. BrightSide reported peak luminance approaching 4,000 candelas per square metre. Its technical description sometimes referred to an infinite contrast ratio because the minimum luminance could theoretically be zero. To avoid presenting that mathematical result without context, the company also used a practical contrast-ratio calculation based on the next-darkest available level, producing a quoted ratio of approximately 200,000:1. The work was significant because it connected local LED backlight control with HDR image reproduction before HDR became a mainstream television feature. BrightSide built the DR37-P prototype to demonstrate the system. The display was aimed at specialist uses such as medical visualization, CAD, film post-production, geophysical information, and satellite imagery. The company also developed methods for capturing, processing, and storing HDR images. That broader work was important because a high-performance display requires compatible source material and an imaging pipeline capable of preserving extended brightness information. Richard MacKellar served as chief executive officer and Helge Seetzen served as chief technology officer. Seetzen had begun working on the technology as a student at the University of British Columbia. BrightSide remained privately held and did not become a publicly traded company. Dolby Laboratories acquired it in April 2007 for US$28 million; Dolby announced completion of the acquisition on April 25. The transaction ended BrightSide's independent corporate life and transferred its personnel, intellectual property, and display technology to Dolby. Dolby subsequently renamed the technology Dolby Vision and used it as the basis for later professional and consumer HDR initiatives. Dolby released the PRM-4200 professional reference monitor in 2010 and the PRM-4220 in 2013. SIM2 Multimedia announced a professional Solar Series product using the technology, and Sony later announced a license for Dolby Vision in Bravia LCD HDTVs. Seetzen joined Dolby as director of HDR Technology from 2008 to 2010 before founding TandemLaunch, a Montreal technology incubator. In 2016, the Dolby team behind the professional reference monitor received an Academy Award, with Thomas Wan, an original BrightSide contributor, among those receiving the award. BrightSide's lasting importance lies in its role as an early developer of individually modulated LED backlighting and HDR display workflows that were absorbed into Dolby's later imaging business.
- 2016
Academy Award recognized Dolby display work
[1]The Dolby team responsible for the professional reference monitor received an Academy Award, with former BrightSide contributor Thomas Wan among the recipients.
- 2013
Dolby PRM-4220 released
[1]Dolby released the PRM-4220 as a subsequent professional reference monitor based on the same broader HDR technology lineage.
- 2010
Dolby PRM-4200 released
[1]Dolby introduced the PRM-4200 professional reference monitor, applying the acquired HDR technology to professional content production.
- 2007
Acquired by Dolby Laboratories
[1]Dolby acquired BrightSide for US$28 million, with completion announced on April 25, 2007.
Spin-out from the University of British Columbia
[1]BrightSide Technologies emerged from the Structured Surface Physics Laboratory at the University of British Columbia after operating under the earlier name Sunnybrook Technologies.
Development of IMLED-LCD technology
[1]The company developed an LCD architecture using individually modulated LED semiconductors as the backlight, enabling substantially higher local contrast and peak brightness than conventional diffuse backlights.
DR37-P prototype demonstrated
[1]BrightSide produced the DR37-P prototype to showcase its high-dynamic-range display technology for professional visualization applications.
Products and positioning
A specialist B2B display-technology innovator focused on high-dynamic-range imaging, professional visualization, and individually controlled LED backlighting rather than a mass-market consumer electronics brand.
Professional HDR display prototype
DR37-P
The DR37-P was BrightSide's principal demonstration display for its high-dynamic-range technology. It used the company's individually modulated LED backlight approach behind an LCD panel and was intended to show the benefits of very deep blacks, intense highlights, and greatly expanded contrast. BrightSide positioned the prototype for specialist fields including medical imaging, CAD, film post-production, geophysical visualization, and satellite-image analysis rather than ordinary home entertainment.
Display technology
IMLED-LCD
IMLED-LCD was BrightSide's core display architecture. It replaced a diffuse cold-cathode fluorescent backlight with individually modulated LED semiconductor elements. Each LED could be driven through 256 brightness levels, allowing local control of image illumination and supporting very high peak brightness alongside near-zero dark output. Dolby acquired and renamed the technology as Dolby Vision, developing it further for professional reference monitors and licensed display applications.
Brand decisions
2007
Dolby acquisition of BrightSide TechnologiesM&ABackground
BrightSide had developed a differentiated HDR display platform and related imaging technologies but remained a privately held specialist company. Dolby sought to incorporate the technology into its broader audio and imaging business.
Action taken
Dolby acquired BrightSide for US$28 million and completed the transaction in April 2007.
Aftermath
BrightSide ceased to operate as an independent company. Dolby renamed the technology Dolby Vision and continued developing it for professional monitors and licensed consumer displays.
Acquisition price. US$28 million (April 2007)
2007
Technology renamed Dolby VisionStrategyBackground
After acquiring BrightSide, Dolby integrated the company's HDR display research and intellectual property into its own imaging business.
Action taken
Dolby rebranded the BrightSide-derived technology as Dolby Vision and pursued professional-display and licensing applications.
Aftermath
The technology appeared in Dolby professional reference monitors, was associated with SIM2 professional display products, and was later licensed for Sony Bravia LCD HDTVs.
Recent events
- 2016
Dolby HDR display team receives an Academy Award[1]
Other
The Dolby team responsible for the professional reference monitor received an Academy Award for the technology's contribution to motion-picture imaging. Thomas Wan, an original BrightSide employee, was among the recipients.
- 2013
Dolby releases the PRM-4220 reference monitor[1]
Product generation
Dolby followed the PRM-4200 with the PRM-4220 professional reference monitor, continuing its development of the acquired HDR display platform.
- 2011
Sony licenses Dolby Vision technology for Bravia displays[1]
Product launch · Other
Sony announced a license to use Dolby Vision technology in Bravia LCD HDTVs, providing a consumer-display application for technology originating with BrightSide.
- 2010
Dolby introduces the PRM-4200 professional reference monitor[1]
Product launch
Dolby released the PRM-4200 professional reference monitor, extending the HDR display work acquired from BrightSide into professional content-production equipment.
- 2009
SIM2 announces professional Solar Series display using the technology[1]
Product launch
SIM2 Multimedia announced a professional Solar Series display based on the BrightSide-derived technology, with a planned 2010 availability date and high-bit-depth imaging specifications.
- 2007
Dolby completes acquisition of BrightSide Technologies[1]
M&A
Dolby Laboratories announced that it had completed its acquisition of BrightSide Technologies, bringing the Canadian company's HDR display technology into Dolby's technology portfolio.
- 2007
BrightSide HDR technology becomes part of Dolby Vision[1]
Product generation
After the acquisition, Dolby renamed and further developed BrightSide's high-dynamic-range display technology as Dolby Vision.
Sources1 sources
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