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Introduction
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01.Tour & Design
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02.Blacks & Whites
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03.Color Accuracy
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04.Motion
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05.Viewing Effects
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06.Calibration
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07.Remote Control
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08.Connectivity
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09.Audio & Menus
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10.Formats & Media
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11.Power Consumption
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12.Vs Samsung UN46B8500
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13.Vs LG 47LH90
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14.Vs Sony KDL 52XBR9
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15.Conclusion
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16.Series Comparison
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17.Ratings & Specs
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18.Comments
Sharp LC-46SB57UN
Previous: Page 2
Blacks & WhitesNext: Page 4
Motion
Color Accuracy Summary
Editorial Note: This is a review of the Sharp LC-46SB57UN. Test results are for this model, but should indicate the general performance of other sizes in the SB57UN series. The SB57UN series also includes the LC-52SB57UN. Read here for more details on series differences.
• Somewhat erratic color temperature.
• Good color representation.
• Color gamut is a bit off.
• Testing done using DisplayMate Software.
Color Temperature (5.99)
When we calibrate a TV, we try to get its white to be as close to 6500K as possible, which is a commonly-used standard. This doesn't necessarily mean that color temperature will remain consistent throughout the greyscale, however. We therefore test the TV's color temperature throughout the entirety of the greyscale, to make sure the TV doesn't have any major fluctuations.
The LC-46SB57UN had some issues towards the dark end of the spectrum. As you can see in the graph below, the color temperature gets visibly warm towards the darker end of the spectrum.
| Color Temperature | |||||||
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| Compare the Sharp LC-46SB57UN to other HDTVs | |||||||
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| Samsung UN46B8500 46 inches |
LG 47LH90 47 inches |
Sony KDL-52XBR9 52 inches |
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RGB Curves (8.11)
All of the colors displayed by your TV are made from red, green, and blue. Since these three colors are so fundamental to your TV's performance, we test them separately, from their highest intensity to their darkest shade.
The LC-46SB57UN had some pretty accurate RGB curves. The curves are relatively smooth, with only minor stair-stepping throughout (each little bump represents two adjacent colors having too little or too much differentiation).
| RGB Curves | |
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|
Below we've plotted the red, green, and blue curves as a spectrum of color. We've also posted the spectra of competing TVs.
| Red Response Comparisons | |
| Ideal Response |  |
| Sharp LC-46SB57UN |  |
| Samsung UN46B8500 |  |
| LG 47LH90 |  |
| Sony KDL-52XBR9 |  |
| Green Response Comparisons | |
| Ideal Response |  |
| Sharp LC-46SB57UN |  |
| Samsung UN46B8500 |  |
| LG 47LH90 |  |
| Sony KDL-52XBR9 |  |
| Blue Response Comparisons | |
| Ideal Response |  |
| Sharp LC-46SB57UN |  |
| Samsung UN46B8500 |  |
| LG 47LH90 |  |
| Sony KDL-52XBR9 |  |
Color Gamut (5.56)
All televisions' colors are explicitly described by an international standard called rec. 709. Since we're not a trusting sort, we test the TVs to see how well they conform to these standards (typically not very well).
The LC-46SB57UN's color gamut was a bit off. The blue point is shifted slightly towards red, and the green and red points are both shifted towards blue and oversaturated.
| Color Gamut | |
 |
|
| u' (rec.709/measured) | v' (rec.709/measured) | Error | |
| Red | 0.4507 / 0.4449 | 0.5229 / 0.5275 | 0.0074 |
| Green | 0.1250 / 0.1134 | 0.5625 / 0.5614 | 0.0117 |
| Blue | 0.1754 / 0.1690 | 0.1579 / 0.1606 | 0.0069 |
| D65 (white point) |
0.1978 / 0.1953 | 0.4683 / 0.4679 | 0.0025 |
| Other Models in the SB57UN Series |
| This is a review of the Sharp LC-46SB57UN. The other sizes of HDTVs in this series should be similar in terms of performance and usability. For details about any differences, click on the image to jump to the Series Comparison page. |
 |
| Sharp LC-52SB57UN 52 inches |
Shop for the Sharp LC-46SB57UN
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