Camera module for high resolution auto focusing and electronic device including same

A camera module, comprising:

• an image signal processor;
• a micro-lens array including a plurality of micro-lenses;
• a color filter array disposed under the micro-lens array and including a plurality of color filters;
• and
• a light-receiving element array disposed under the color filter array and including a plurality of light-receiving elements,
• wherein a first row of the micro-lens array includes a first micro-lens and a second micro-lens adjacent to the first micro-lens,
• wherein a first row of the color filter array corresponding to the first row of the micro-lens array includes a first color filter and a second color filter disposed under the first micro-lens, and a third color filter and a fourth color filter disposed under the second micro-lens,
• wherein a first row of the light-receiving element array corresponding to the first row of the color filter array includes a first light-receiving element disposed under the first color filter, a second light-receiving element disposed under the second color filter, a third light-receiving element disposed under the third color filter, and a fourth light-receiving element disposed under the fourth color filter, and
• wherein the image signal processor is configured to acquire a first pixel value, a second pixel value, and a third pixel value based on first data acquired by the first light-receiving element, second data acquired by the second light-receiving element, third data acquired by the third light-receiving element, and fourth data acquired by the fourth light-receiving element.

An electronic device, comprising:

• a camera module;
• and
• a processor operatively connected to the camera module,
• wherein the camera module includes:
• a micro-lens array;
• a color filter array including a plurality of color filters, wherein each of the plurality of color filters selectively passes a wavelength of incident light, which passes through the micro-lens array, and
• a light-receiving element array disposed below the color filter array,
• wherein the micro-lens array is arranged in an N/2×M array, the color filter array is arranged in an N×M array, and the light-receiving element array is arranged in an N×M array, wherein M is larger than N, and
• wherein the processor is configured to obtain pixel values of an M×M pixel array from the light-receiving element array arranged in the N×M array by obtaining M pixels from data acquired by N light-receiving elements in a row.