Usually a digital picture frame including a power plug to keep it work continuously.
Digital picture frames are in different outlook, size, material and features.
Most digital picture frame have components computers have like lcd display, CPU, memory(ROM and flash memory) , control, operation system, WiFi or modem module.
They do simple task to slideshow pictures or videos and can adjust content on portrait or landscape orientation.
Generally, digital picture frame size range from 3*5 to10*12 inch or even larger size to 24*32 inch(diagonal size 40 inch). The larger, the better view experience. Most welcomed digital frame size is 10 inch, it is the best size to play digital camera photos and smart phones.
Display resolution advises us the number of distinct pixels in each dimension(horizon and vertical) that can be displayed on a display device like LCD screen. We suggest user to buy at least 800*600, 1208*800 or even higher resolution display like 1080P full HD. Same size screen, the higher resolution, the better view experience.
The aspect ratio of the display is a consistent relationship between width and height. It is expressed as two numbers separated by a colon (x:y). Common aspect ratios for digital frame displays include 4:3(fits digital camera photo, standard ) and 16:9(good for video usually called wide screen).
The Outer layer material used on the digital frame, usually from plastic, metal(aluminum, brass, alloy ), glass or wood. Some digital frame provide interchangeable cover for decor.
The internal memory to store pictures. The greater the better. A large built-in memory don’t need extra SD card to put in or USB stick to connect. Now many digital frame offer 4GB, 8GB or even greater memory base on price.
Extra way to display photos once the built-in memory is full or don’t have photos source to slideshow pictures. Usually digital frame support same memory card as digital camera use called SD card, memory stick and USB flash driver .
Additional and convenient way to connects electronic photo frame with photo site and mobile device like smart phones and tablets to receive photos.
Some digital frame have speaker to play videos and music, some even use Android system to slideshow photos from Facebook,Instagram, Flicker, Google photo and more.
Below is the disassembly picture of Hdgenius 7 inch WiFi Digital Picture Frame wooden frame for example:
CPU is the shorten of Central Processing Unit, a digital frame usually use a CPU same as video game or smartphone and tablets use.
Most digital picture frames have RAM(Random Access Memory) to run the operation system and built-in flash memory (512 MB, 4 GB or 8 GB) to store images, and some with memory card slot to extend extra image space. The most common types of supported memory cards are SD, compact flash and memory stick.
Hdgenius provide dual quality DRAM to run the system faster, load pictures quicker for smooth view experience. Premium Micron or SK Hynix 4GB NAND can store up to 7500 photos in the WiFi picture frame.
Since the birth of digital picture frames in the 1990s, they have seen much evolution in terms of storage method. Generally speaking, they can be divided into three generations:
Easy to use,low price
Unconvenient, hard to update photos
Save time to share photos
Complicate than Gen Ⅰ
Intergaration and smarter
Smarter and more function
The 3.5 inch, 5.7 inch,7 inch and 8 inch ones look much more like a conventional picture frame. They are used by most customers as bedside table decoration.
The large one variants range from 9,10, 12 to 15 inches. With wall-mount function of some brands, you can choose to make it a wall painting or conventional table decoration.
In order to find the right digital picture frame, here are 5 tips for you for reference