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14 inch matte laptop display panel 2240x1400 40 pin connector

LPScreen

LPScreen B140QAN05.J 14" 2240x1400 60Hz laptop screen

SKU CH-71KZ-16GXR MPN B140QAN05.J

A 14 inch 2240x1400 60Hz laptop replacement screen with 300 cd/m² brightness, 1200:1 contrast, 100% sRGB colour and a 40‑pin connector

  • Compatible ModelsB140QAN05.J
  • Screen Size14"
  • Screen Resolution2240x1400
  • Sharp 2240×1400 resolution on a 14″ panel
  • 100 % sRGB colour with 16.7 M colours
  • 300 cd/m² brightness and 1200:1 contrast
  • Wide 85° viewing angles in every direction
  • 40-pin connector fits B140QAN05.J models

14-inch 2240x1400 replacement panel

This 14-inch laptop display offers a 2240 by 1400 resolution at 60 Hz. It uses a 40-pin connector and delivers 300 cd/m² brightness with a 1200:1 contrast ratio. The panel covers 100 percent sRGB with 16.7 million colours. It is a non-touch screen designed as a direct replacement for the B140QAN05.J model.

Not for touch or high-refresh needs

Buyers whose laptop requires a touchscreen layer cannot use this panel because it lacks touch functionality. Gamers or creators who need a refresh rate above 60 Hz should look at a different screen. The fixed 60 Hz refresh rate and absence of touch support define the limits of this part.

40-pin connector compatibility check

The single specification that decides fitment is the 40-pin video connector on your current screen. If the original panel uses a different pin count or pin layout, this display will not connect. Verify the connector on the existing panel before ordering to avoid a mismatch.

Highlights

  • Sharp 2240×1400 resolution on a 14″ panel
  • 100 % sRGB colour with 16.7 M colours
  • 300 cd/m² brightness and 1200:1 contrast
  • Wide 85° viewing angles in every direction
  • 40-pin connector fits B140QAN05.J models

Specifications

ModelB140QAN05.J
Part NumberB140QAN05.J
Compatible ModelsB140QAN05.J
Screen Size14"
Screen Resolution2240x1400

Questions about this item

How do I install the 40-pin connector on the B140QAN05.J without damaging the pins?

Align the 40-pin connector carefully with the motherboard socket, press straight in until it clicks, and secure any retention latch; the step most people miss is forgetting to re-engage the latch after insertion.

What maintenance will the 300 cd/m² backlight need over time?

The LED backlight is not user-serviceable; if brightness degrades or flicker appears after extended use, the entire 14-inch panel must be replaced rather than serviced.

At what point does the 60 Hz refresh rate become the limiting factor during sustained use?

The 60 Hz refresh rate caps motion clarity at 60 frames per second, so fast-panning content or high-frame-rate gaming will show judder before the 1200:1 contrast or 100% sRGB colour gamut become limiting factors.

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