An In-Plane Switching (IPS) monitor is a type of screen technology known for its excellent color display and wide viewing angles. It is widely used in smartphones, laptops, and computer screens to provide accurate colors even when viewed from the side.
IPS was created to solve the limitations of older TN screen technology, which suffered from distorted colors and poor viewing angles. By changing how the liquid crystals move, IPS ensures a clear, vibrant image from almost any direction.
Displays look sharp and accurate from up to 178 degrees.
Delivers the most accurate color reproduction among standard panel types.
Essential for visual professionals like graphic designers and video editors.
Generally consumes slightly more power than TN panels.
Modern variants offer high refresh rates suitable for competitive gaming.
Hitachi first developed IPS technology in 1996 to fix the narrow viewing angles of Twisted Nematic or TN panels. Early versions suffered from slower response times and lower contrast.
Over the years, manufacturers introduced Super-IPS, Advanced High-Performance IPS, and Fast IPS. These upgrades improved response times, lowered power usage, and raised refresh rates to match the needs of modern gaming and high-resolution video.
Traditional TN screens use liquid crystals that twist when electricity is applied, which can block light unevenly.
IPS panels keep the liquid crystals parallel to the glass substrate at all times. When an electric field is applied, these crystals rotate flat within the same plane. This horizontal movement allows light to pass through evenly at almost any angle, preventing color shifting and distortion.
Measured in Hertz, this indicates how many times the screen updates its image per second. Modern screens range from standard 60Hz up to 240Hz or higher for gaming.
The time it takes for a pixel to change from one color to another, usually measured in milliseconds. Fast variants achieve low response times down to 1ms.
The range of colors the display can show. High-quality screens often cover 100% of standard color spaces like sRGB or DCI-P3.
Colors stay true without shifting when looking from the side.
Accurate color rendering makes it perfect for digital art and photo editing.
The screen remains clear and readable under bright indoor lighting.
Pressing on the display does not cause the distorting ripple effect seen on older screens.
Struggles to show deep blacks, often resulting in dark gray tones in low-light environments.
Stray backlight can leak through the edges, a phenomenon often called IPS glow.
Uses more battery or electricity compared to modern OLED or older TN alternatives.
| Feature | IPS | VA (Vertical Alignment) | TN (Twisted Nematic) |
|---|---|---|---|
| Viewing Angles | Ultra-Wide (178°) | Medium | Narrow |
| Color Accuracy | Excellent | Good | Basic |
| Contrast Ratio | Standard (1000:1) | High (3000:1+) | Low (1000:1 or less) |
| Response Time | Fast | Medium | Fastest |
| Best Used For | Color Work & General Media | Movies & Dark Rooms | Competitive Gaming |
While early models were slow, modern variants feature high refresh rates and 1ms response times, making them highly popular among competitive gamers.
Light leakage around the corners is a normal byproduct of how the panel handles backlighting, not a manufacturing defect.
Liquid Crystal Display
OLED
Refresh Rate
Response Time
Color Gamut
Backlight Bleed