The resolution of a display is a critical specification that can be expressed in two concepts: display resolution and image resolution.

 

Display Resolution

 

Also known as screen resolution, display resolution refers to the number of pixels a monitor can display. This measure is a significant indicator of the clarity of the images shown on the screen. For two displays of the same size, the one with the higher display resolution will have more pixels in its active area, resulting in clearer and more detailed images. For example, a display with a resolution of 3840 x 2160 pixels (commonly known as 4K) will appear much sharper than one with a resolution of 1920 x 1080 pixels (Full HD) when viewed at the same size.

 

Conversely, for a fixed display resolution, a smaller screen size will yield sharper images due to the higher pixel density within the same area. This is why smartphones, which have relatively small screens, often boast very high resolutions to ensure text and images appear crisp and detailed. As the resolution increases, the display can show more content at once, making it ideal for multitasking and providing an immersive viewing experience, especially for high-definition videos and games.

 

Image Resolution

 

Image resolution refers to the number of pixels per inch (PPI) on a display. It determines the level of detail and sharpness of the images displayed. Higher image resolution means more pixels are packed into each inch of the screen, resulting in richer details and finer image quality. For instance, a display with a higher PPI will show smoother lines and more detailed images, which is particularly important for activities that require precision, such as graphic design, photo editing, and medical imaging.

 

Image resolution is also crucial for viewing high-resolution photographs and detailed artwork, where every pixel contributes to the overall clarity and fidelity of the image. A higher PPI not only enhances the sharpness of text and graphics but also reduces the visibility of individual pixels, creating a more seamless and natural viewing experience. Additionally, advances in display technology, such as OLED and microLED, further enhance image resolution by improving contrast ratios and color accuracy, making the images on high-resolution screens appear even more vivid and lifelike.

 

While developing an LCD display, the product specifications usually emphasize the display resolution, which dictates how detailed and sharp the displayed content will be. However, understanding both display resolution and image resolution is essential for appreciating the overall visual quality of a screen. Higher resolutions in both aspects contribute to more precise, detailed, and visually appealing images, making the display more suitable for a variety of applications ranging from general use to professional graphic design and high-definition media playback.

 

Here is a list of resolution specifications

Resolution Specifications

Resolution Specifications

Resolution	Full Name	H x V	Aspect Ratio
qVGA	Quarter Video Graphics Array	320x240	4:3
VGA	Video Graphics Array	640x480	4:3
SVGA	Super Video Graphics Array	800x600	4:3
XGA	Extended Graphics Array	1024x768	4:3
WXGA	Wide Extended Graphics Array	1280x800	16:10
SXGA	Super Extended Graphics Array	1280x1024	5:4
HD	High Definition	1280x720	16:9
WXGA+	Wide Extended Graphics Array Plus	1440x900	16:10
HD+	High Definition Plus	1600x900	16:9
UXGA	Ultra Extended Graphics Array	1600x1200	4:3
WSXGA+	Wide Super Extended Graphics Array Plus	1680x1050	16:10
FHD	Full High Definition	1920x1080	16:9
WUXGA	Wide Ultra Extended Graphics Array	1920x1200	16:10
QHD	Quad High Definition	2560x1440	16:9
WQHD	Wide Quad High Definition	3440x1440	21:9
QXGA	Quad Extended Graphics Array	2048x1536	4:3
QSXGA	Quad Super Extended Graphics Array	2560x2048	5:4
WFHD	Wide Full High Definition	2560x1080	21:9
UHD	Ultra High Definition	3840x2160	16:9
QUHD	Quad Ultra High Definition	7680x4320	16:9