HDR HDR Display Technology & Hardware 2

Question 1

What is the black level requirement for a DisplayHDR True Black 400 certified display?

Accepted Answer

0.0005 cd/m²

Answer

DisplayHDR True Black 400 requires a maximum black level of 0.0005 cd/m², achievable only by self-emissive display technologies like OLED.

Question 2

Which of the following best describes 'blooming' as a display artifact in HDR LCD screens?

Accepted Answer

Light spillover from bright areas into adjacent dark areas

Answer

Blooming is a halo-like artifact where backlight dimming zones bleed light into neighboring dark areas, reducing perceived contrast in HDR content.

Question 3

What color gamut does Ultra HD Premium certification require a television to cover at minimum?

Accepted Answer

90% of DCI-P3

Answer

Ultra HD Premium requires displays to cover at least 90% of the DCI-P3 color space, ensuring wide color gamut support for HDR content.

Question 4

In HDR display hardware, what is the purpose of an 'eotf' (Electro-Optical Transfer Function)?

Accepted Answer

Converts digital signal values to screen luminance output

Answer

The EOTF defines how digital code values in the signal are mapped to actual light output (luminance) on the display screen.

Question 5

Which technology allows OLED displays to boost peak brightness on small highlight areas without damaging the panel?

Accepted Answer

Automatic Brightness Limiter (ABL)

Answer

The Automatic Brightness Limiter (ABL) allows OLED panels to temporarily boost small screen areas to high peak brightness while managing total power draw and heat.

(HDR) High Dynamic Range Certification Practice Test

(HDR) High Dynamic Range Certification Practice Test

HDR HDR Display Technology & Hardware 2