Periodically check your medicine cabinets for expired, re-bottled, or unidentified pills. To avoid confusion and mistakes, keep all medications in their original bottles or packets with pertinent labeling and instructions attached. If you do not find a match, contact your healthcare provider. Replacement Batteries and Chargers: To replace a battery that is still under warranty, please contact our customer service at 877-655-5250. To expedite the process please have the battery in question as well as a compatible tool and charger. For replacement of 4V, 18V, 24V, and 40V batteries that are not under warranty, please visit The Home Depot. Downloads come in a.zip Format and are NON-REFUNDABLE Contact our support team here if you need help installing your KV Optional Download: RGH NATION KV Checker KVs are available directly after your purchase through our automatic (auto-buy) system!
New Levels of Performance for HDR Displays
With the increasing availability of HDR content, the DisplayHDR and DisplayHDR True Black specifications from VESA provide an important benefit to the display industry and consumers. The DisplayHDR and DisplayHDR True Black specifications assure that HDR content will appear vivid and life-like, with accurate color and contrast reproduction. Consumers should look for VESA tested and certified DisplayHDR or DisplayHDR True Black products. VESA’s multi-tiered performance ratings and logo system for DisplayHDR and DisplayHDR True Black represent visible, meaningful performance levels relevant to specific applications and usage scenarios.
Choose Certified DisplayHDR Products
DisplayHDR is the open standard for HDR quality and performance and only displays that meet all the specifications may carry the DisplayHDR logo.
If a monitor claims HDR support without a DisplayHDR performance specification, or refers to pseudo-specs like “HDR-400” instead of “DisplayHDR 400” it’s likely that the product does not meet the certification requirements. Consumers can refer to the current list of certified DisplayHDR products on this website to verify certification.
VESA Addresses Use of Illegitimate DisplayHDR 2000 Logo: Recently, the Chinese retail website Taobao has listed two display products that have a VESA certified “DisplayHDR 2000” logo – an updated Samsung Odyssey G9 monitor as well as a new Acer EI491CRG9 monitor. In addition, several media outlets have reported that these monitors have received “DisplayHDR 2000” certification from the Video Electronics Standards Association (VESA). VESA wishes to set the record straight on this development. There is no “DisplayHDR 2000” tier in the VESA DisplayHDR specification and logo program at this time.
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VESA has no knowledge of the origins of the DisplayHDR 2000 logo currently posted on these display listings on the Taobao website. However, VESA takes any misuse of our trademarks and logos seriously. VESA does not endorse the use of this logo unless and until a DisplayHDR 2000 tier has been officially announced by VESA, and any products claiming to meet this tier level have been officially certified by VESA and are listed on our website at https://displayhdr.org/certified-products/.
Until the displayhdr.org website displays DisplayHDR 2000, any such logo usage should be assumed to be unapproved and deceptive.
What’s the difference between HDR-10, HDR-1000, and DisplayHDR 1000? Read our post “Not All HDR is Created Equal” to learn more.
DisplayHDR Performance Levels
The DisplayHDR specification for LCDs establishes distinct levels of HDR system performance for LCD and emissive (e.g. OLED) displays. Choose a performance tier to discover the differences.
First genuine entry point for HDR.
Significant step up from SDR baseline:
- True 8-bit image quality – on par with top 15% of PC displays today
- Global dimming – improves dynamic contrast ratio
- Peak luminance of 400 cd/m2 – up to 50% higher than typical SDR
- Minimum requirements for color gamut and contrast exceed SDR
HDR with local dimming, for thinner, lower-cost, lower-power laptops and monitors.
True local dimming and high-contrast HDR at the lowest price point and thermal impact:
- Peak luminance of 500 cd/m2 – optimized for better thermal control in super-thin notebook displays
- Same color gamut, black level and bit-depth requirements associated with DisplayHDR 600 and DisplayHDR 1000 levels
- Includes local dimming
- Requires 10-bit image processing
Targets professional/enthusiast-level laptops and high-performance monitors.
True high-contrast HDR with notable specular highlights:
- Peak luminance of 600 cd/m2 – double that of typical displays
- Full-screen flash requirement renders realistic effects in gaming and movies
- Real-time contrast ratios with local dimming – yields impressive highlights and deep blacks
- Visible increase in color gamut compared to already improved DisplayHDR 400
- Requires 10-bit image processing
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Targets professional/enthusiast/content-creator PC monitors.
Outstanding local-dimming, high-contrast HDR with advanced specular highlights:
- Peak luminance of 1000 cd/m2 – more than 3x that of typical displays
- Full-screen flash requirement delivers ultrarealistic effects in gaming and movies
- Unprecedented long duration, high performance ideal for content creation
- Local dimming yields 2x contrast increase over DisplayHDR 600
- Significantly visible increase in color gamut compared to DisplayHDR 400
- Requires 10-bit image processing
PC monitors for professional content-creators.
Outstanding local-dimming, high-contrast HDR with advanced specular highlights:
- Peak luminance of 1400 cd/m2 – more than 4x that of typical displays
- Full-screen flash requirement delivers ultrarealistic effects in gaming and movies
- Unprecedented long duration, high performance ideal for content creation
- Dynamic contrast ratio that is 3.5X greater than the DisplayHDR 1000 level
- Increased color gamut (95% DCI-P3 65) compared to all other current DisplayHDR tiers
Incredibly accurate shadow detail for a remarkable visual experience.
Deeper black levels and dramatic increases in dynamic range create a remarkable visual experience:
- Peak luminance of 400 cd/m2
- Brings permissible black level down to 0.0005 cd/m2 – the lowest level that can be effectively measured with industry-standard colorimeters
- Provides up to 50X greater dynamic range and 4X improvement in rise time compared to DisplayHDR 1000
Incredibly accurate shadow detail for a remarkable visual experience.
Deeper black levels and dramatic increases in dynamic range create a remarkable visual experience:
- Peak luminance of 500 cd/m2
- Brings permissible black level down to 0.0005 cd/m2 – the lowest level that can be effectively measured with industry-standard colorimeters
- Provides up to 50X greater dynamic range and 4X improvement in rise time compared to DisplayHDR 1000
Getting Started with DisplayHDR
Up and Running with DisplayHDR
Connected and ready to experience your DisplayHDR monitor? Read our step-by-step guide to ensuring your HDR-capable PC setup is in HDR mode.
Backlight Dimming, Explained
To achieve the contrast ratios demanded by HDR content, an LCD must be capable of changing the backlight brightness. Read our post explaining local and active dimming to learn more.
Questions about DisplayHDR?
Check out our Frequently Asked Questions page for answers and links to additional information about DisplayHDR.
Technical Introduction
NewDisplayHDR 1.1 released. See the press releasehere. Get DisplayHDR 1.1here.
The DisplayHDR specification for LCDs establishes distinct levels of HDR system performance to facilitate adoption of HDR throughout the PC market: DisplayHDR 400, DisplayHDR 500, DisplayHDR 600, DisplayHDR 1000, and DisplayHDR 1400. The DisplayHDR True Black specification for OLED and other emissive displays includes two levels of HDR system performance: DisplayHDR True Black 400 and DisplayHDR True Black 500. Additional tiers are expected to be added later for both standards to support continuous innovations and improvements in display performance. All tiers require support of the industry standard HDR10 format.
Summary of Performance Differences by Tier
| Minimum Peak Luminance | Range of Color | Typical Dimming Technology | Maximum Black Level Luminance | Maximum Backlight Adjustment Latency | |
|---|---|---|---|---|---|
| Brightness in cd/m2 | Color Gamut | Brightness in cd/m2 | Number of Video Frames | ||
| DisplayHDR 400 | 400 | sRGB | Screen-level | 0.4 | 8 |
| DisplayHDR 500 | 500 | WCG* | Zone-level | 0.1 | 8 |
| DisplayHDR 600 | 600 | WCG* | Zone-level | 0.1 | 8 |
| DisplayHDR 1000 | 1000 | WCG* | Zone-level | 0.05 | 8 |
| DisplayHDR 1400 | 1400 | WCG* | Zone-level | 0.02 | 8 |
| DisplayHDR 400 True Black | 400 | WCG* | Pixel-level | 0.0005 | 2 |
| DisplayHDR 500 True Black | 500 | WCG* | Pixel-level | 0.0005 | 2 |
| *Wide Color Gamut | |||||
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Technical Details
In addition to the new DisplayHDR-1400 performance tier, the first update to the DisplayHDR Compliance Test Specification (CTS 1.1) brings tighter performance requirements, including for luminance and color gamut, as well as new test requirements, such as for active dimming, to address recent advances in HDR technology. Learn more about both current and future specifications performance criteria for DisplayHDR.
Member Participants
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More than two dozen active member companies contributed to the development of DisplayHDR, including:
What is DisplayHDR?
The High-Performance Monitor and Display Compliance Test Specification (DisplayHDR) from VESA defines the display industry’s first fully open standard specifying HDR quality, including luminance, color gamut, bit depth, and rise time (see EE Times article). With DisplayHDR, VESA is helping to alleviate consumer confusion surrounding HDR performance specifications in the PC space by:
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- Creating an open specification for the PC industry shared publicly and transparently
- Developing an automated testing tool that end users can download to perform their own testing if desired. You can download DisplayHDR Test Tool for HDR display performance verification aimed at professional users here.
- Delivering a robust set of test metrics for HDR that clearly articulates the performance level of the device being purchased
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The first release of the DisplayHDR specification, DisplayHDR version 1.0, was introduced in December 2017 and is geared toward liquid crystal displays (LCDs). In January 2019, VESA followed this up with the release of the DisplayHDR True Black standard, a variant on DisplayHDR, which is optimized for emissive display technologies – including organic light emitting diode (OLED) and future microLED displays. DisplayHDR True Black allows for significantly deeper black levels in addition to greater dynamic range and improved rise time – enabling a visually stunning experience for home theater and gaming enthusiasts in subdued lighting environments.
Why DisplayHDR?
NewDisplayHDR 1.1 released. See the press releasehere. Get DisplayHDR 1.1here.
High Dynamic Range (HDR) displays deliver better contrast and color accuracy, as well as more vibrant colors, compared to Standard Dynamic Range (SDR) displays. As a result, HDR is gaining interest for a wide range of applications, including movie viewing, gaming, and creation of photo and video content. HDR logos and brands abound, but until now, there has been no open standard with a fully transparent testing methodology. Since HDR performance details are typically not provided, consumers are unable to obtain meaningful performance information.