You also generally cannot mix active 3D glasses from one brand of TV with another's, though TVs made in 2012 and later may share glasses. You cannot use passive glasses with 3DTV that requires active glasses, and vice-versa. Additional sets cost from $10 to $30 each. Most so-called 'passive' 3D TVs come with four pairs of passive polarized glasses, much like the ones used in theaters, which don't require batteries.

Additional pairs generally cost from $50 to $150 each. So-called 'active' 3D sets, which require 'active' battery-powered LCD shutter glasses, may come with one or more pairs, or none. All of the 3DTVs in our Ratings require the viewer to don special eyeglasses. Retailers may offer a '3D TV + Blu-ray' bundle that also includes the glasses. Some 3D Blu-ray players may include these glasses. Some 3D TVs omit this item to control costs. The number of special 3D eyeglasses included with the 3D TV.

Ineffective HDR presents images that are no better than regular standard dynamic range (SDR) TVs. Very effective HDR can also reproduce fine gradations of shadow detail from black to white, and display a wider range of colors. The benefits of HDR are best revealed on a display with a high peak brightness capability which allows them to present images with more realistic lighting and highlights. HDR (High Dynamic Range) indicates how effectively the TV can reproduce the enhanced quality of HDR content. Some tests are also performed via the TV USB input. All video content is played through the TV's HDMI inputs. Tested image attributes include detail, color accuracy, and contrast, using signals from a Blu-ray player, cable box, and professional broadcast equipment. (HDR content is tested separately) Based on objective tests and subjective evaluations by expert testers after TV is adjusted using standard picture controls to achieve the highest-fidelity image possible. Some tests are also performed via the TV USB input.Įvaluated using basic, non-HDR, 4K-UHD content. Tested image attributes include detail, color accuracy, and contrast, using videos from a Blu-ray player, cable box, and professional broadcast equipment. Based on objective tests and subjective evaluations by expert testers after TV is adjusted using standard picture controls to achieve the highest-fidelity image possible. Models like the DP55441 are rated on multiple criteria, such as thoseĮvaluated using basic HD content (non-HDR).

List of older sanyo tv models